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(R)aa(R)a aa(R)aeaa(R)(R)(R) -(R)ai aaae a e(R)(c) a
IC
2
CE110
acaie (R)a(R)(R)aa ea(R)i a(R)a(R)aai (R) (R) e I2 C (R)(R)|(R)aai (R)ici (R) 64 e (R) (R)caa(R) ea (R)(R)a(R) (R) ia(R)(R)aa (R)ae(c) (R)aaa a 28 e(R) aai ai a(R)(R)aa(R)ae aa(R)e a(R)ae a(R)ee(R) (R)(R)aa(R) (R)aa(R) i aa(R) (R)aa(R)i aaaa
a(R)aa CE110 ac i a(R)i (R)(R) (R)/ae (R)a(R) ea(R)(R)SDIP/SOIC aaa(R)aaanea (R)(R)- aaaaa(R)cea (R)a(c), (R)aaa(R)ea a a a(R)aae HD44780, (R)(R)ia ca ea I2 C aa aa -(R)a, ie aie(c) aaa(c)a. a(R) a(R)(R), (R)aa(R)a (R)a|a aa(R) (R)a(R)aa a(R)aae (R)a aaae, icie(c) (R) 64 e. (R)(R)eii a(R)aa(R)(R), (R) iaaa(R)(R) (R)a (R) a(R)(R)aai aaaiaei (R)aaaie(c) (R) e I2 C a(R)aae (R)aae ai(R)(c) ee (R)ai. caa aai a(R)a(R) a(R)aa CE110 a(R)aa (R) (R)aa (R)aae(c) a aaie (R) e I2 C -(R)ai aae Philips. aea aaae (R) a(R)(R) i (R)aci (R)aae(c) aai aaa(R)(c). (R)aa(R)a (R)a|a aaae a aaae(c) 8 8 e, (R)aaeaaii eca (R)(R) |ea e a aaaei aaaae a(R)(R)a(R)a. a(R)aa (R)aaa(R) (R)a(R) a(R)a(R)(c) -aa(R)(R), (R)a a(R)aae ia(R)(R)aa ( 2 ) aaaa a ea aaaea (R)(R)a(R). caa(R)aa, aaaaai (R)ic aae(R)(R) a(R)a(R)a, a aa(R)i caa(R)a aaaaai a (R)(R)eii a(R)aa(R)(R) RC-aa(R)a. a(R)aa CE110 a 28 e(R)(R) (R)aaiaai aaaa(R)ea (R)aaaa SDIP SOIC a(R) i a(R)ee(R)(c) aaaae, a (R)(R) a(R)ca aaaaa 40C 85C. oI2 Co | aaaaa(R)i a(R)a(R)i a Philips Corporation.
14 15
Reset Row7 Row6 Row5 Row4 INT R/W GND RC CLKOUT Row3 Row2 Row1 SCL
1 2 3 4 5 6 7 8 9 10 11 12 13
28 27 26 25 24 23 22 21 20 19 18 17 16
D7 D6 D5 D4 D3 D2 D1 D0 VCC GND RS E Row0 SDA
CE110
:::
CE110
1.
ae, a| a(R)a(R)i aaa(c)a aa(R)i aaae. (R) aaa(c)a ee I2 C (R)aaeaaia (R)a (R)aae(c) a| oSlaveo (R)(R)ia aai aai a(R)e (R)a(R)ai(R)aa a(R) a(R)a(R)aaii (R) 50 a/a a(R)c ai aai -(R)a a(R)aa CE110 (R)a(R)aia I2 Caaa(c)a -(R)a(c) aae Philips, (R)aaa(R)ea a a a(R)aeaa(R)a(R) a(c)aa PCF2116, a (R)a(R)aea (R)aaaa(R) (R)a oSlave Adresso anaai aaei(R) aaiie a(R)(R) (oControl Byteo), a (R)a(R)a(R)(R) (R)aiia a(R)aa(R)i (c) RS R=W -(R)ai en (R) a (R)aia a (R)ae | (R)(R)ci/ai. i aai a(R)a(R)(c) a(R)aae CE110 (R)aaa aaaei (R)aa(R)a aaae oControl Byteo n (R)e(c) a | Rg, (R)aiie(c) (R)aaa aaa aaaa (R) aaa(R). aaaa aaaa(R) aaae aaiie aaae, a (R)aae aaa(R)(R) (R) a(R)aa(R)ii aaaee. (R)ieaa(R) aaaa aaaa(R) (R)aaae ca, a ai, aic a(R)aaiia (R)aae a(R)aa(R)ii aaaee aaae, a ai aa aaea.
CE110
3 AEEE iiaoeu n iioanniii HD44780 8 Iaiaaciaaoaeu eioaoaena I2C/6800 Aeie iaaiaoia e iaaaioee eiiaia Aeie eioaoaena oeiu I2C
a(R)aa a(R)aae CE110 a(R)ia iai aaae(R)iea (R)(R) aaaa(R)(c)aa (aa. 1), (R)aciea e(R) aa (R)aae(c) (R) ana (R)a(R)a a(R)a-
aaa(R)(c)aa(R) aae (c)aai
8 8
Onoienoai neaieiaaiey eeaaeaoou
Aeie iaaaioee/aooaecaoee eiaia eeaaeo e oiieiaaiey neaiaeia aaoiiiaoia
2
8 Caiin iauaaiey Oeia I2C
a. 1. aae(R)ii aa e, ae -(R)ai (R)aaaa(R), aaaa(R)aaaiaai ae ai(R)(c) ee, a(R)a(R)(R)|iaai ae oControl Byteo a RS R=W, acn a E aaaaai a(R)aca. i aa(R)ei a(R)aeaa (R) a -(R)a a(R)aaa CE110 aaaei a(R)aca(R)(R) (R)aa(R)i a BF, (R)cie(R) ia(R)aai a(R)aeaa(R)a -(R)ai.
2
-
CE110
i (R)(R)|(R)aai (R)(R)ia (R)aa(R)a(R)ai a BF aaiie a(R)aeaa(R)a(R), i c(R) (R)(R)(R)ai e a(R)ai ea I2 C a| cai (R)aa(R) a| a a ac |(R)(R) (c)a; a , e a (R)|a (R)aicai a(R)aca(c) (R)aa(R)i (a aeae a(R)aae aaaaai a| a(R)aca(R)(R) (R)aa(R)i a BF), a(R)a a(R)aa(R)i aaei(R)(R) aaiie(R) a. i aaa(R)ae aaaa a(R)aeaa(R) a e a aai a(R)aa CE110 a(R) (R)iaaai aaaa(R)(c) i ee I2 C (R)(R)|(R)aaii a(R)aa(R) (R), aan aa|i a SCL a(R)aa(R)i (R)ca(R)(R) ai. (R) aa| a(R)(R)aai, aa, a (R)| (R)a(R)(R)|i a BF, a e(R) (R)aae aa(R)i aaae, (R) ia (R)ei e ea -(R)ai a(R)(R) a(R)aa(R)ii aa(R)ae(R) aaaee, (R) (R)a aaa aacia. (R)a(R) a(R)aca(R)(R) aa|i SCL (R)(R) (R)(R)(c)aai aaaae (R)aa(R)i a(R), i(R)(R)i ai (R)en aaiie(c) a(R)ae. |(R) a(R)i(R) (R)ai, ca(R) a a(R)a(R)(c) aae oMastero-(R)a, a|(R) (R)iai(R) (R)aa(R)a(R)ai (R)aa c(R) a(R)aa(R)i SCL. aaa(R)(c)aa(R) aa(R)i aaae a(R)(R)a aeca (R)aae (R) a(R)aa 8 aaa(R) aaaee ae 0. ca(R) c aa(R)ae(R) aaaai a aae a(R)aa(R)i aaiaa eiiaai i a(R)aa(R)ii e. aaae(c) (R)aa(R)a (R)|(R) aaa(R)ai eca (R)(R) a(R)i(R) |ea e, a |ea (R)aaaea, acn (R)a aac (R) a|aai (R)(R)aie a(R). (R)ace (R)e aaaaaiaai aaa (R)ae ai aa (R) 1, (R) 8 (c)a(R), a(R)aa (R)a a|, aaa(R)(R)(R) aaiie a(R)aeaa(R)a(R). a c (R) e ae aaa, a(R)aa CE110 eaaia a a(R)a aaei ((R)ca(c) 0) ea(R) INT, (R)a(R)ae(c) aaai a (R)aaaaaa (R)(R) e aaa. aaa (R)(R) e (R)|a (R)eaa(R) aai caaaai(R)aai aaae a aae aaiie(R) aaaa(R)(c)aa |ai e. (R)aa(R)a aaae a(R) aaaei a(R)(R)a(R)a, (R)a(R)ai (R)(R)ia cai a(R)aca(R) aa(R) (R)(R) |ea e a aa| e ac (R)a(R)a(R)(R) a. i aae aaae a(R)(R)a(R)a aaeaaaa a(R)i aaae, (R)(R)iiei aaa(R)ai a aaei a(R)(R)a(R)a i |(R)(c) e (R) (R)ai(R)aa. a aaae (R)aa(R)a aaae, a a eae (R)a a, a(c)-aa c a(R)(R)a(R)a caa(R)a a(R)i (R)(R) a a(R)(R)a(R)a, iiiaai a(R)aaae (R)aa eai aaa(R)e aaiie(R) aaaa(R)(c)aa a a(R)c(R)aaii (R) 6 a.
2.
aaeii iaacai aa ici a(R)aae CE110 a aa. 2. ai an aaaae(c) -(R)ai (i aa aa (R)(R)c (R)ai PC2402 aae Powertip, ie(c) 2 aaa(R) (R) 24 a(R)) -
3
(R)ic
CE110
aaa 8 8 e. c ea e(R)(R): GND | i, +5 | ai| ai +5 , INT | ea(R) a a(R)a aaei (R) |ai e, SCL SDA { aaaae ee I2 C.
SB1...SB64
R0
DD2 PC2402 X/Y DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 RS R/W E
7 8 9 10 11 12 13 14 4 5 6 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 21 22 23 24 25 26 27 28 DB0 DB1 DB6 DB7
R7
R6...R13 1e
R5 22e
3
DD1 CE110/P DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 SCL SDA Reset INT
9 6
VO
X/Y
2 1
VCC GND
Row0 Row1 Row2 Row3 Row4 Row5 Row6 Row7 E RS R/W
16 13 12 11 5 4 3 2
R0 R1 R2 R3 R4 R5 R6 R7
SCL SDA
14 15
17 18 7
E RS R/W
1
R1 10 e +5 A
R2 10 e
INT
RC VCC GND1 GND2
8 19
20
C1 47 ie
C2 0.1 ie
R3 10 e C3 0.1 ie
R4 4.3 e C4 20
GND
a. 2. (R)i aa ici CE110 (R)aa(R)ae C1 C2 (R)i(R)(c) n(R)aaii a(R)(R)aaaa(R) 47 0:1 , aaaiia a(R)(R)(c) a(R)(R)(c) aiaa ai. aa(R)a R3 = 10 (R)aa(R)a C3 = 0:1 (R)aaia aaa aaae a(R) Reset; R3 (R)a|a n ae(c) (R)aae, C3 eea (R)a ea(R)a(R) (R) aa ai, (R)iea a (R)aaae aaea aa(R). a(R)aa CE110 aaaaai (R)ai a aa(R)a, a (c) iaai aaa(R)e aae aa a (R)c ai|i ai, (R) a aaaaai aaaeai (R)aa(R)a a(R)i(R) a ic, (R) aaa aacia, a(R) (R)|(R) (R)icai a(R) Reset a(R)(R)aaaaaie ea(R) aaiie(c) aaae.
4
-
CE110
aa(R)a R4 (R)aa(R)a C4 (R)aaia RC-ae(R)ca aa(R)(R)(R) aa(R)a (R)aa(R)a. aii aa(R)i caa(R)a 5 ae a VCC = 5 (R)acaai a R4 = 4:3 C4 = 20 . aiaai (R)e R4 C4 (R)|(R) (R)aiai i aa(R)(R)(c) caa(R)ae, (R) |(R) acaeai, ca(R) a(R)i(R) iea (R)(R) R C i (R)eei aa(R)(R)(c) caa(R)ae, a| (R)ee a(R)a(R)ai aaa(R)a R4 (R) a(R)ia aia(R) (R)(R) a(R)aaai, a (R)|a aaa aaa(R)(c)c(R)(c) a(R)a aa(R)(R)(R) aa(R)a. a (R)| aa(R)(R)(c) caa(R)ae a(R)(R)aae(R)i(R) a|aai ai(R) (R)aaai a(R)a(R)aai ac (R) e I2 C, a(R)aaiiei 48 a/a a aa = 5 ae , a(R)(R)aaaa(R), 10 a/a a aa = 1 ae. (R)| aa(R)(R)(c) caa(R)ae a(R)a a|i a(R)aa(R)(R) (R)aai a(R)aae CE110, (R)a(R)a(R) a caa(R)a aaa(R)i 1 ae a(R)aaia 0:5 , (R)ia(R)a a (R)a(R)a(R)aa(R)(R) a| (R) (R)a(R) (R) (R)a(R)(R) (R)|(R) ia(R)(R)aa. ea (R)aa(R)a (e(R)e DB0 DB7 ) iiaai aiaa(R)(c); a(R) ai (R) a(R)iaaai i (R) a -(R)a i (R)a(R)a aaae. ee ea ae aai a(R)aae CE110 (R)aaaa(R) a(R)e a (R)(R)ne i -(R)ai. e(R)e VCC GND -(R)ai (R)(R) ai| ai +5 , e(R) VO (R)aae a | (R)aaa(R)c(R)(R) aaa(R)a R5 , (R)(R)iie(R) (R) iai ai| ai a(c)a -, ca(R) (R)a(R)(R) i ai(R)(c) aaa(R) a| a(R)ae (R)ai, a ace -aae (R)aaaaae -(c) (R)aa ai aaeaa(R) acieai aaaaaa, ca(R), aaa, (R)|a aaa (R)(R)a (R)aaaaaai (R)a|i (R)(R) (R)a, icn(R) aaa a aaa(R)(c)(R)(c) aaa(R)a R5 i aa(R)(R). (R)e aac, i aae a(R)ae -(R)ai (R)|(R) a(R)(R)ai aaieai (R)a(R)ai(R)aai (c)aa(c). (R)(c)a ai| ai (R)ai (R)ae(c)a |(R) aaa(R)a R5 . (R)a (R)c ai|i ai (R)ai icaai a| anaa (R)(R)(c) aa(c) aaa(R). ae ia(R)(c) aaa(R) (R)|e iai a(R)n a(R)aa(R)i (R)a a(R)ac(R)(R) (R) a(R)ac(R)(R), ca(R) iiaai aaiaa(R) ai(R)(R) (R)ici ai (R)ai a(R)a(R)a(R)a(R)(R)aa a(c)a(R) -. aa(R)a |(R) a(R) (R)(R)|, a (R)a(R)a(R) (R)a| aa(R) aa(c) aaa(R) a(R)aaaa (R)a(R)(R) a(R) -. ai -(R)ai (R)a(R) ana (R)a(R)a|i a(R)aae. (R)a a(R)(R), e (R)inaai (R)a(R)a|i a(R)a (R)(R)-(R) aaa, a(R) a(R)|a (R) a(R)c(R) (R)aaaa(R)ai (R)a| a(R)(R)aaaa a (R)a(R)(R)(c) (R)aaaa(R)aaii aaae a(R) ii. aaae aaae 88 e (aa. 2) (R)ic e(R) Row0 Row7 (ea(R)e e(R)a aaa(R)) DB0 DB7 (a(R)e a(R)aa(R)ii aa(R)ae(R)) ca a(R)(R)(R)acie aaa(R)ae R6 R13 a(R)a(R)a 1 , ace i aici a|i a(R)aae e ea DB0 DB7 a |a e. (R)aei (R)aaei aa(R)i, a(R)aa CE110 eaaia (R)ca(R) ea(R) Rowx (R)ca(c) 0, acn a (R)aaie ea(R)e a(R)iaai
F F ::: ::: ::: ::: :::
-
5
CE110
aaai a(R)aa(R)i. e| aa, (R)(R)(R) 50 a(R)(R) aa(R)(R)(c) caa(R)ae (10 a i aa = 5 ae), (R)aa(R)a acaea a(R)aa(R)i aa(R)ae(R) ca e(R)e DB0 DB7 , (R)aiaae aaa aaa(R)a 10 e ai +5 . e(R)e SCL SDA a(R)aae CE110 (R)aiaae ai +5 aaa(R)a R1 R2 (R)ice a(R)(R)aaaaaie i ee I2 C. (R)aa(R)a CE110 a ea(R) INT a (R)aaeae (R)a(R)a(R) i a(R)aa(R)i a a(R)a aaei a |a ea. aaaia a(R)(R)(c) (R)aaaeaie(c) (R)aae, (R)iiie(c)ai (R)aaaa(R) (R)a (R)i aaa aaa(R)(R) (R), aaaee(c) (R)aa(R) a(R) a(R)aa(R)i a a(R)ca a(R)a|(R)(R) aaa. a(R)a a (R)|(R) a(R)i(R)ai, aa, i a(R)a aaei a(R)aeaa(R)a aaiie(c) aaae a |a e, i a(R)a(R)(R) (R)aa(R)i a(R)aa(R)ii aaae. a(R) a(R)(R), ea(R) INT (R)|a eai aaa(R) eca a a(R)i(R) a |a e, (R) a (R)aaa, ca(R) (R)|a (R)(R)aiai a a(R)i(R) a| ai(R)(R) acaei a(R)aa(R)ii aaa(R)(c) aaaee, a| a ec(c) a |ai/(R)aaai e, aaa(R)aaea a(R)a(R) aaa(c)a a(R)aae CE110. (R)a(c) ea(R), (c)aa(R)e(c) aa a(R)(R)(R) ici a(R)aae | CLKOUT. ia(R) e(R) a(R)aaaaai caa(R)a, ai aa CE110 a a aaa(R)ea ea a(R), (R)aa(R)aai a CLKOUT i (R)aaaaa(R)i a(R)aa(R) ai (R)aaaaaaaa, (R) ia(R)a a (R)|a a(R)i(R)aiai i aaaa a| a(R)aaa(R)(c) aaae.
F ::: F =4.
3.
(R)a a(R)a(R)|i a Reset (R)(R)ci ae aeae a(R)aae (ie(R)ai (R) 100 a) (R) (R)a(R) a(R)a (aaa (R)aa, ca(R) a(R)aca aaae(c) a ic ai a aa(R)a (R)|a ai cai(R) ieai ai(R)aai, c ae aeae, (R)aaai 500 a). (R) i ai (R) e I2 C a(R)aa CE110 c (R)e(c) aa $78 (eaaaeaac(R) 78), (R)(R)| a| (R)aa a(R)aa a (R)aaea(R)e oSlaveo-aa(R) | CE110A a aa(R) $7A, CE110B a aa(R) $7C a , ca(R) (R)(R)ia aaaai a(R)i(R) a(R)aa CE110 (R)a ea I2 C. ac a(R)aae (R)|a (R)aaeaaiaiai (R)(R)ce a(R)aae(R)e (c)a, a(R) aai |e(c) (c)a a(R)a(R)(R)|aai a(R) oStarto-aa(R), aa(R) oStopo-aa(R), a aa(R)e a(R)a(R)(R), (R) (R)a aa | oStartoaa(R) aa ($78) | aa(R)aai a (R)a(R)ai(R) aea a(R)aae(R)ea (c)a(R), aeie(c)ai (R) oStopo-aa(R). a(R) a(R)(R), (R)aaa(R) (R)(R)aa(R) (R)(R)(R) aa | ac (R)(R)(R) oStarto-aa(R)i, aaai(R)(R) oStopo-aa(R)i. a(R)a a(R)a(R)(R) (R)(R)aaii a(R)(R)aaaaaa aaeaaei aae Philips, e a(R)a (R)aaaiai a(R)(R)aaaaaie(c) aaaaa (R)a(R)(R)(c) a(R)aae(c) [1], i aaca(R)(R) a(R)i(R)i (R)|(R) a| (R)a(R)(R)ai (R)aa [2].
6
a(R)aa(R) aa
-
CE110
0 Co RS RW Rg Oeaa iiaaoee n AEEE-iiaoeai Cia/aiea eeiee R/W AEE-iiaoey Cia/aiea eeiee RS AEE-iiaoey Oeaa iaeii/iie/aoiiiaie iiaaoee a) Oiiao Control Byte a aaeeia ainooia e AEE-iiaoe 1 Co A5 A4 A3 A2 A1 A0 Rg Oeaa iiaaoee n aaenoii CE110 Aaan aiooaiiaai aaenoa Oeaa iaeii/iie/aoiiiaie iiaaoee a) Oiiao Control Byte a aaeeia ainooia e aiooaiiei aaenoai CE110
a. 3. (R)aa aaiie(R) a(R) oControl Byteo a(R)aae CE110 i aai a(R)aeaa(R) (R) a a(R)aa(R)(c) CE110 n (R) a(R) (R)ia, aaiie a(R)(R) | oControl Byteo, a(R) (R)aaaa(R) (R)a oSlaveo-aa. oControl Byteo (aa. 3) a(R)a|a (R)a aaiiea a(R), (R)aiiea (R)e(c) a| a(R)ae i ae(c) a(R) (R)a(R)ai(R)aa (c)a(R). a Co (R)aia (R)ae. a Co = 0 | oControl Byteo aaa (R)(R)(c)a(R)i (R)a(R)ai(R)aai, aeieiai (R) oStopo-aa(R), (R) (R)e oStarto-aa(R). a Co = 1 | oControl Byteo aaa (R)(R)ce(c) (c)a ea, (R)a(R)ae aa a (R)e(c) oControl Byteo. a Rg (R)aia (R)aai (R)aaa. a Rg = 0 (aa. 3, ) | a(R)(R)aai (R)aaa -(R)ai, a ia(R) 5-(R) 6-(R) aa oControl Byteo aiaai ci (c) -(R)ai R=W RS a(R)(R)aaaa(R), (R)a(R)ae aaa aaaaaa(R)ai (R) ai ac a(c) aaie(c) (R)a(R)ai(R)aa. a Rg = 1 (aa. 3, ) | a(R)(R)aai (R)aaa aaa aaaa a(R)aae CE110, acn aa oControl Byteo 1: 6 anaai aa aaaa, aie(R) aie(R) (R)aaie e.
::
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7
CE110
S
0 Aaan Slave R/W A Control Byte
Iaaaa/a Co=1
A Aaiiua A Control Byte
Co=0
A Aaiiua A
Aaiiua A S
0 Aaan Slave R/W A Control Byte
Iaaaa/a Co=0
A Aaiiua A Aaiiua A P
a) Iaaaa/a eioiiaoee a CE110 Io Master e Slave 0 Aaan Slave R/W A Control Byte
Iaaaa/a Co=X
Io Slave e Master S P A Start-oneiaea Stop-oneiaea Aeo iiaoaaaeaaiey (ACK)
S
S
1 Aaan Slave R/W A Aaiiua A Aaiiua A P
Iei
a) xoaiea eioiiaoee ec CE110
a. 4. (R)aa (R)aae(c) (R) a a(R)aa(R)(c) CE110 aa e(R)i (R)aae(c) (R) a a(R)aa(R)(c) CE110 (R)|(R) ai aa. 4, , . ai (R) (R)e(c) aac(c) (R), aae(c) i aai -(R)a, a i (R)aaa aaa aaaa CE110. ac (R)a(R)ai(R)aa CE110 (R) aa. 4, . (R)a ec oStarto-aa(R)i oSlaveo-aa anaai oControl Byteo a Co = 1, a(R) aai aaaaai a| ac (R)(R)c(R)(R) (c)a. aaa a (c)a ea, (R)i aaiie(c) (c)a, a(R)a|e(c) a Co = 0, aaaie(c) a| ac (R)a(R)ai(R)aa (c)a(R). aaa (R)a(R)ai(R)aai (c)a(R), aaei (R)e oStarto-aa(R), aeaaie aca (R)(R)(c) (R)a(R)ai(R)aa. aeaai (R)ae oStopo-aa(R). a a(R)aae CE110 (R)(R) aa. 4, . (R)a ec oStartoaa(R)i oSlaveo-aa anaai oControl Byteo, a(R)a|e(c) c (c) -(R)ai aa aaaa (a(R)aa(R)i a Co a| cai a ci, a ca a a(R)(R)aai a| (R)a(R)ai(R)aa). aa oControl Byteo anaai (R)(R) oStarto-aa(R) oSlaveo-aa a(R) c (R)i R=W = 1. aaa (R)a(R)ai(R)aai (R)aae(c) cai, aeieiai oStopo-aa(R). aa, ca(R) ii (R)a(R)ai(R)aai (R)|a (R)(R)aa(R) aaeaiai (R)e oStarto-aa(R)i iai a| (R)aae (ca/ai) ec
8
-
CE110
oStopo-aa(R)i. (R)|(R) | aai, ca(R) i a(R)ae a a(R)aa(R)(c) CE110 oStopoaa(R) iiaai (R)a(R)e, a a(R)i(R) e aia oMulti Masteroa| a(R)ae ee I2 C, aaaie(c) a(R)ca(R)(R) (R)a(R)(R)|i ee. aa. 5 caa aa a (R)a(R)ai(R)aai (R)aae(c) i e(R) a(R)aae -(R)ai.
Start-oneiaea R/W 0 1 1 1 1 0 0 0 Rg 0 0 0 0 0 Aaan Slave Control Byte Iaaaa/a a aaenou oiaaeaiey AEEE-iiaoeai aaeei aaiou AEEE-iiaoey 8-ie acyaiue eioaoaen, 2 noiee aaeei aaiou AEEE-iiaoey Aee/eou ioiaaaeaiea aaeei aaiou AEEE-iiaoey I/enoeou yeai
Co RS R/W 0 0 0
0
0
1
1
1
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
1
Start-oneiaea R/W 0 1 1 1 1 0 0 0 Rg 0 0 0 0 0 Aaan Slave Control Byte Iaaaa/a a yeaiio iaiyou AEEE-iiaoey Neiaie O
Co RS R/W 0 1 0
0
1
0
0
1
1
1
1
0
1
1
0
1
0
1
1
Neiaie k
Stop-oneiaea
a. 5. aa (R)a(R)ai(R)aa i e(R) ia caai (R)a(R)ai(R)aai oStarto-aa(R), (R)a(R)ae aaa oSlaveoaa a(R)aae CE110 | (c)a $78, a(R)a(R)(R)|e(c) a(R) R=W = 0, aaaie a| ac a(R)aae CE110. a| ac aaa -
9
CE110
oSlaveo-aa(R) a aaa oControl Byteo, (R) aac (R)aiie(c) aca (R)a(R)ai(R)aa (c)a(R) aaaa aai -(R)ai (RS = 0). aaiie a(R)(R) na (R)a(R)ai(R)aai aana (c)a(R), aaaiei -(R)ai a(R)aa aaaaa(R)c(R) a| (R)a(R)a|i, iciei (R)a(R)a| (R)ceiei ia. aaeaai (R)a(R)ai(R)aai ac(c) (R)(R)(R) oStarto-aa(R)i, (R)a(R)ae (R)i aaia oSlaveo-aa oControl Byteo. (R)a(c) a (R)(R) c, (R)aiie (R)(R) a(R)aa(R)i RS -(R)ai. ai a(R)aa CE110 aaa(R) aca (R)a(R)ai(R)aa a(R)(R) (R)iai -(R)ai, (R)a(R)ai (a(R)(R) oOko) na a(R). caai aa | ec(c) oStopo-aa(R)i. e (R)ae ai (R)a (R)aae(c) a(R)aa(R) -(R)ai | i ia(R)(R) aaeaaaa a(R)(R)aaaaaiei (R)aaaei, aa (R)a (R)aa(R)a HD44780 aae Hitachi [3], aa(R)(R)aa(R) (R) ai -(R)a(c) [4]. a(R)ai, (R)a(R)aai(R) ai caai (R)a (R) ai a aa aaa(R)(c). aaa(c)a (R) a (R)aa(R)a(R) aaae e(R) (R)aaa aaa aaaa a(R)aae CE110. (R)aaa aaa aaaa aaeaai aa(R)ieai oControl Byteo a(R) Rg = 1. a ia(R) (R)aaie ae oControl Byteo (a(R) Co, a. aa. 3, ) (R)aiia (R)a aaa(R)(R) aaaa. | a(R) c aaaa(R):
00
aa(R)na |a e eaaaaa n (R), (R) (R)ia a 1 aaae(c) aai (a ci aaa (R)(R)(c) a(R)aae) aea (R)ac(R) c aaa. a aaaa oKeyBufo (R)aaa(R) c aaae | a(R)(R) a(R)(R) (c)a aaa. (R)a a(R)cai a(R)a|(R)(R) oKeyBufo aaiie aaaa(R)(c)aa(R) a (R)(R)(c) a(R)aae (a(R) aai aaae(c) aai) a(R)aca aaaeaai, (R)aaii e ce(c) (R). a aaa a| iaai aa (R)e e, (R) a(R)aca a(R)aai, ei a| a(R)cae(c) (R). a(R)aa (R)a a|, aaa (R)|a ai aa (R) (R)ai (c)a(R). a (R)a(R)a(R) |a e a| a (R)(R)(c)a(R)e aaa(R), (R) a(R)cai aaiie(c) aaa(R)(c) aeae(R) ci, aaa(R) c eaai (R)e. a a(R) aaa (R)ai(c)a(R)(R) a|, ei (R)aaai ae(c) (R)a(c) (c)a aaa. 01 { oWorkModeo: aaaa aai. n a(R)a|aai aa a, (R)aiie a| a(R)ae a(R)aae CE110. | a(R) c aaiiea a(R) aa(R)ieaai aaaa oWorkModeo: 0 { oKeyModFlo: a a| a(R)ae (R)aa(R)a aaae. 0 | eiaai (R)e |ea e; 1 | eiaai (R)e |ea (R)aaaea e, acn 6-(R) a (R) e anaai a: 0 | e |a, 1 | (R)aae. 1 { oKeyBufSizFlo: a aa aaa aaae. 0 | aaa aaae a aa 1 a(R), 1 | aaa a aa 8 a(R)(R). -
{ oKeyBufo: aaaa aaa aaae. (R) (R)aa(R)a aaae
10
CE110
02
{
03 04
{ { { {
04: : : 07 08: : : 0F
10: : : 17
{
aa a(R)(R)aiai a(R)aca(R) (R)| (R)a(R)(R)|i a BF -(R)ai, 1 | a(R)a a BF aa a(R)(R)aai. oKeyAutoTimeo: aaaa a(c)-aa ici a(R)(R)a(R)a. n a(R)a|aai c a, ca (R)a(R)a(R) cnaai a(R)acai ec (R) |a(R)(c) (R)a(c) aa|(R)(c) e. ai naai (R) aaaa aea aaa , aea 32768 a(R) aa , ca(R) a aa = 5 ae (R)eaai ae 6:5 a. oKeyAutoSpeedo: aaaa caa(R)ae a(R)(R)a(R)a. na a(R) a(R)i a(R)(R) a a(R)(R)a(R)a. a(R) naai (R) aaaa aea aaa , (R) (R)a(R)aea e a(R) ee. oKeyPauseo: aaaa ae i eae (R)a a. aia ai(R)aai ae (R)a a(R)aaae e, ac (R)a(R)a(R)(c) (R)aa(R)a aaae a(R)(R)a (R)a(R)a aaaee, ca(R)e eaaiai (R)a a acaa (R)aa(R). naai aea aaa. a(R)iaiaai. oMask0o: oMask7o: a, aaeie a(R)aca(c) (R)a(R)a e. |e(c) aaaa oMaskXo a(R)(R)aaaaaa (R)(R)(c) aaa(R) aaaee aaae, |e(c) a aaaa | a(R)(R)aaaaaie(c) e. a 0 aaaa oMask0o (R)aca ea a (R)(R) $00, a 0 aaaa oMask1o ea $08, a . aa(R) a 1 aaea a(R)(R)a(R)a i (R)(c) e. c aaae aa(R)i (R)aiea e (R)|a aaeaa(R) aaceai a(R)aeaa aai a(R)a ii, aaeai a (R)iiaa, ie a(R)(R)aai aa|ai |ae, aa, aeaa(R)e aae e. c a(R)(R)a(R)a a(R)i(R) i (R)a(R)ea e, a| aaa(R) += , (R)(R)a iaaa(R) aeai iaa a(R)a. oKeyMat0o: oKeyMat7o: aaaae a(R)aa(R)ii aaaee aaae. a e aaaae (R)aaae aae ci a(R)aa(R)ii aa(R)ae(R) aaaee aaae. aaaa oKeyMat0o a(R)(R)aaaaaa ai aaa(R), , aaa, e a (R) $00: $07, oKeyMat1o | ai aaa(R), a . |e(c) a aaaa oKeyMatXo (R)aca (R)a ea, acn aaa a(R) (R)c(R) aaai aaaaa oMaskXo. c(R) c a aaaee (R)(R)aa (R) a(R), ca(R) e (R)aae, a(R) | ca(R) |a.
T F F T T :: :: ::
2
{ oLCDRdWtFlo: a a| a(R)ae aaa(c)a -(R)ai. 0 |
(R)a a(R)aei (R)aae (R) a aaaa(R) (a cai) (R) aa a(R)aca acaai 1. a(R) a(R)(R) a ci(R) (R)a aaa(R) a(R)ae a(R)aae CE110, a a(R)aa aae(R) a(R)aa(R)ii (R) (R)aaie(R) (R)aaa(R)i. aa a a, a (R)a(R)(R) aeca(R) ca (R)(R)(R) a(R)(R) | aaaa (aa oKeyBufo) (R)a(R)(R) |e(c) a (R)(R)(R)iai aa aaaa, aan (R)a(R)a(R)(c) ac oStarto-aa(R)i, oSlaveo-aa a -
11
CE110
a|(R) a, oControl Byteo a aa(R) aaaa, (R)i oStarto-aa(R)i, oSlaveo aa a a|(R) cai , a(R)aa(R) a(R)cai aaaa. (R)a a(R)a(R)|i a Reset aaa(c) aeae a(R)aae CE110 a aaaae aaaeiaai 0, aaae aaaee oKeyMat0o: oKeyMat7o (R)acia ci(R) c $FF.
::
4.
1. aaa(c) a aa(R)a a(R)aae CE110 (R)|a ai caiai a(R)(R)|ai(R)aai ((R) 500 a), (R) ic aaaa(R)(c)aa, (R) c ac a(R)aae CE110 a|(R) aa aa aeae (R)ai 0.5: 1 a. 2. a(R)aa(R)(c) a(R)a aaiie(R) aaaa(R)(c)aa CE110 (R)(R)| aaaaei, (R) aaiie aaaa(R)(c)aa(R) CE110 aaaeaai a(R)aeaa ac (c)a (R) e I2 C. ai(R) ai (R)|i a SCL i ee I2 C (R)aaaaai, aaaaei (R)ai anaai aa(R)ai aa(R), (R)(R)a(R)a | a(R)a(R)a (R)ai ea ea(R)i a(R)a(R)aai i a(R)aae e. i aaa(R)(c)c(R)(c) a(R)ae e(c) a Reset a|(R) (R)ai (R)(R)a(R) a(R)e Reset aaiie(c) aaae, CE110. 3. (R)aei (R)aaei aa(R)i aaae, a(R)aa CE110 (R)ica (R) a(R) a(R)aa(R)ii aaa(R) (e(R)e DB0 DB7 ) (R)ieai aaa | (R)(R)(R) 100 . (R)a(R)aea aacia (aa, a ea ia a(R)i a aaa(R)(c), aaaaaa aiea (R)a) ia(R)(R) a(R) (R)|a aaai i aaa(R)(c)c(R)(c) a(R)ae a(R)aeaa aa(R)i, a(R) a aea (R)icai e(R)e DB0 DB7 ca e aaa(R)ae a(R)a(R)a 2: 10 (R)(R)|ai(R)a e(R)a aa(R)c ai, a ia(R) (R)a(R)(R) a(R) aieai a(R)a(R)a icnea (R)a(R)ai(R) a aaae(c) aaae aaa(R)a(R) R6 R13 (aa. 2), (R)(R)a(R) ai a, ca(R)e (R) aaa ea(R)ea a(R) (R) a(R)a. 4. a |a (R)(R)a(R) a(R)ia e (R)(R)|(R) (R)i (R)|ea (R)(R) ea(R) aaa(R)(c) aaaee. a(R)(R) (R)a(R) a(R)i a(R)(R) iaaa a a(R)a a aaa(R)(c) a| ec (R)(R) e a a(R) |ai/(R)aaai a aaaae(c) aae(R) a(R)aa(R)ii e aaei(R) aaa aaiie(c) aaae, (R)a(R)ia ia(R) aac aaa a(R)aa(R)ii (R)aa (R)iiaiai o(R)aeo e. i aici (R)(R)(R)(c) aaaae (R)aae aae e a|(R) icai aaaea ca (R)e, (R) (R) a(R) a(R)aa(R)ii aa(R)ae(R) (e(R)e DB0 DB7 ). 5. a(R)aa CE110 (R)aaa aiai a(R)a(R)aai (R) (R) e I2 C (R) 48 a/a a aa(R)(R)(c) caa(R)a 5 ae. ac ia(R)(R) a(R), ca(R) aaa(c) a(R)a aaaaai ai ((R)a(R)(R), ca(R)e aaa(R)ai aa(R) (R) e I2 C (R)ca(R)(R) (c)a aaai i SCL) a(R) ai(R) aac 48- a(R) aa(R)(R)(c) caa(R)ae. i(R) (R)aaa(R) aa(R)(c) Philips ai (R)aaaeai(R)(R) (R)aa(R) a SCL a(R)aaia 4.7 a i 100 a/a, ca(R) i
:: ::: ::: :: ::: :::
(R)ae (R) ai
12
-
CE110 50 a/a a(R)aaa a(R)(R)aaaa(R) 9.4 a (i CE110 caa(R)a 5 ae (R)a(R)(R) 9.6 a, (R)aai (R)ac 48 a/a). aae, |naa(R)(R) (R)aci a(R)a(R)aai ac (R)a(R) a(R) a(R)aa CE110 ea, (R)ia(R)a, a aaaaa(R) acai ai(R)aai (R)aaaeai(R)(R) (R)aa(R) a SCL, aaie(R) (R)aaaa(R) ACK (aa a(R), acai ai(R)aai |(c)a(R)(R)(R) a(R)|aa) (R) ce 48 a(R)(R) aa(R)(R)(c) caa(R)ae (Faa ) a(R)aae CE110, a(R) (R)(R)|(R) ac a(R)a(R)aa ac (R)ai (R) 400 a/a, a(R) (R)a caa(R)ae aa . 6. a(R)aa CE110 a(R)(R) eaa e (R)aa| (R)e (R) aaaF
(c) a(R)a, a(R)iei (R)(R)|(R)aa a(R)i (R)(R)c(R)(c) (R)aae a (R)aaa aaa aaaa (Rg=1, Co=1). aa(R) ia(R)(R) a(R)aa (R)aaae (R)aae, aa(R) e (R)ei aa(R)(R)(c) a| (Co=0). a(R)(R)ai iaa (R)ea (R)|(R), aaei (R)a(R)ai(R)aai ac(c) (R)(R)(R) oStarto-aa(R)i a(R)(R)aaaa(R) aa oSlaveo.
5.
c [1] The I2 C-bus and how to use it. 1997 Philips. [2] e (R)(R)|i (R)a a(R)ae ee I2 C. aaca a(R)c ae, 1- , 1997 -. c [3] LCD Controller/Driver LSI. Data Book. 1994 Hitachi America Ltd. [4] aa(R)-aeaa(R)e aeaaie -(R)a. a(R)(R)aa(R) (R) ai, c 1- , 1997 -.
aaaaa
-
13
CE110
aie iaaaae(R)e aaaaaa
(R) a(R)ca aaaaa . . . . . . . . . . . . . . . . 40C 85C (R) aaaaae aai . . . . . . . . . . . . . . . 65C 150C ai| e(R) VCC (R)a(R)aai(R) GND . . . . . . . . . . . 0: 7.5 ai| i(R) e(R) (R)a(R)aai(R) GND . . . . . 0:6 VCC + 0:6 ei aaai (R)e(R)aai . . . . . . . . . . . . . . . . . . . 800 a a. a(R) ca e(R) GND . . . . . . . . . . . . . . . . . . . . . 300 a. a(R) ca e(R) VCC . . . . . . . . . . . . . . . . . . . . . . 250 a. a(R) ca eae (R)e a(R) . . . . . . . . . . . . . . . 20 a. a(R) ca eae (R)e ea(R) . . . . . . . . . . . . . . 20 a. aie(c) a(R) ea(R) . . . . . . . . . . . . . . . . . . . . . 25 a. eaie(c) a(R) ea(R) . . . . . . . . . . . . . . . . . . . . 25 a. aa. aie(c) a(R) ea. Row4 Row7 + INT + R=W . . . . . . 200 a. aa. eaie(c) a(R) ea. Row4 Row7 + INT + R=W . . . . . 200 a. aa. aie(c) a(R) ea. Row0 Row3 + E + RS + SCL + SDA . . 200 a. aa. eaie(c) a(R) ea. Row0 Row3 + E + RS . . . . . . . 200 a. aa. aie(c) a(R) ea. DB0 DB7 . . . . . . . . . . . . . 200 a. aa. eaie(c) a(R) ea. DB0 DB7 . . . . . . . . . . . . . 200
::: ::: :: ::: ::: ::: ::: ::: ::: :::
aaca aaaaaa
aaa (R)c ai| ai (R) (R)aai a. ai| (R)(R) aa(R)i a. ai| ea(R)(R)(R) aa(R)i ea. ai| (R)(R) aa(R)i ea. ai| ea(R)(R)(R) aa(R)i aii n(R)aai aa: (R).
VCC ICC VIL VIH VOL VOH CIO
.
4.0 | GND 0:85 VCC | VCC 0:7 |
a.
6.0 10.0 0:2 VCC VCC 0.6 | 400
.
14
-
6.
(R)aaa: 28-e(R)e(c) aa(R)e(c) SOIC
Ieineinou iinaaee
aa| (R)aaa(R)
CE110
0 D E X
5 Ianooaa
10 ii
c Z 28 15 Q A2 1 e 14 b X L A1 A O HE
A max Ieeeeiaou 2.64
A1
A2
b
c
D
E
e
HE
L
Q
Z
O 8 5
0.30 2.45 0.48 0.31 18.1 7.60 10.6 1.14 1.10 0.90 1.27 0.10 2.25 0.36 0.24 17.7 7.41 10.0 0.40 1.00 0.40
-
15
CE110
(R)aaa: 28-e(R)e(c) aa(R)e(c) SDIP
Ieineinou iinaaee
D
ME
A2 A L
A1 c Z e b1 e1 MH b 28 15
E
0
5 Ianooaa
10 ii
1
14
A max Ieeeeiaou
A1 max
A2 max
b
b1
c
D
E
e
e1
L
ME
MH
Z max
4.57 0.38 3.56
1.65 0.56 0.33 35.2 8.38 3.68 8.38 9.65 2.54 7.87 2.20 1.02 0.41 0.20 34.2 7.87 3.17 7.87 8.13
a(R)aa CE110. aca(R) (R)a 1- c 1997 - a(R)a: ..(R)(R) naaa a(R) a CyrTUG-emTEX a a(R)i(R) acaa eaaa(R) a(c)aa LH
16
-

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