View ZLG7290_22218.PDF datasheet online --- IC-ON-LINE

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ZLG7290 I2C LED

1 2 3 4 5 6 7 I2C 8 8 64 LED 64 SO24
PDIP24
LED

24 1
13 12 21 22 3 4 5 6 20 19 14 11
Dig7 Dig6 Dig5 Dig4 Dig3 Dig2 Dig1 Dig0 SDA SCL /INT GND ZLG7290
1
SegA SegB SegC SegD SegE SegF SegG SegH VCC OSC2 OSC1 /RES
23 24 1 2 7 8 9 10 16 18 17 15
1
ZLG7290 64 1 2
ZLG7290 S1>S2>...>S64 S2 S18 S2 3
RepeatCnt 5 4 Alt Ctrl S57~S64 2 PC Shift
-1-

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Key(KeyUp) RepeatCnt
01H 02H 03H 04H IIC 8
8
SCL SDA /INT
SegH ... ... SegA
FunctionKey FastPressCnt

VCC GND
Dig7 ... ... Dig0
00H
LED
SystemReg

FlashOnOff
0CH
ScanNum
0DH 07H~08H
CmdBuf0~2 : ,...
DpRam0~7
10H~17H
2
2
ZLG7290 ScanNum N DpRamN LED LED N FlashOnOff
DpRam0
ZLG7290
CmdBuf1
CmdBuf0

1. * KeyAvi SystemReg 00H 11110000B ZLG7290 1 0 KeyAvi 0 SystemReg.0 /INT /INT
Key
2. Key 3. RepeatCnt 02H 00H RepeatCnt=0 RepeatCnt 0 01H 00H Key Key=0
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4.
FunctionKey
03H 0FFH FunctionKey.0 S64
FunctionKey =0 S57
FunctionKey.7
5. CmdBuf0 CmdBuf1 07H 08H 00H 00H
6. 1 150 7. 0 8. 1 DpRam0 DpRam7 10H 17H 00H 00H Dig0 DpRam7 DpRam0 Dig7 FlashOnOff 0CH 0111B/0111B 4 1 16 0000B 1 4 FlashOnOff 250ms ScanNum 8 0DH 7 7 1 LED ScanNum 3 DpRam0 DpRam3

ZLG7290 I2C 32kbit/s ZLG7290 slave address 70H(01110000B) SystemReg /INT
KeyAvi 1 /INT
/INT I/O KeyAvi KeyAvi 0 /INT I2C RepeatCnt FunctionKey Key 250ms 9ms ZLG7290 I2C 00H 17H sub address 17H 00H 24C02 ZLG7290 /
2
ZLG7290 I C I2C

ZLG7290 CmdBuf0 CmdBuf0
2
CmdBuf1
I C CmdBuf1
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1. (1) Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 CmdBuf0: 0 0 0 1 N3 N2 N1 N0 ScanNum N N3~N0 (2) Bit7 Bit6 Bit5 Bit4 Bit3 ComBuf0: 0 0 1 0 N3 N DpRamB DpRam0= 87654321 3 00100001B DpRamB DpRam0= (3) Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 ComBuf0: 0 0 1 1 N3 N2 N1 N0 DpRamB DpRam0= 87654321 4 ScanNum 5 4 87 00110001B DpRamB DpRam0= (4) Bit7 Bit6 ComBuf0: 0 1 DpRamB DpRam0= 87654321 Bit5 0 Bit4 0 3 Bit3 N3 Bit2 N2 Bit1 N1 Bit0 N0 87 432165 6543 Bit2 Bit1 Bit0 N2 N1 N0 N3~N0 +1 87 3 N ScanNum 4 4321 ScanNum 5 4 87 DpRamB DpRam0= DpRamB DpRam0= 87654321
+1
00010001B
ScanNum 5
ScanNum 5 3
01000001B DpRamB DpRam0= (5) SystemReg
216543
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 ComBuf0: 0 1 0 1 On S2 On 1 S S2~S0 1 On 0 S 0 2. (1)
Bit1 S1
Bit0 S0
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 ComBuf0: 0 0 0 0 0 0 0 1 ComBuf1: On 0 S5 S4 S3 S2 S1 S0 On 1 S S5~S0 1 On 0 S 0 LED LED ScanNum S6~S0 00H 3FH DpRam0 DpRam1 Sa 00H 08H Sb 01H 09H Sc 02H 0AH Sd 03H 0BH Se 04H 0CH Sf 05H 0DH Sg 06H 0EH Sh 07H 0FH
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... DpRam7
38H
39H
3AH
3BH
3CH
3DH
3EH
3FH
(2) Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 ComBuf0: 0 1 1 0 A3 A2 A1 A0 ComBuf1: DP Flash 0 D4 D3 D2 D1 D0 A0 0000B 0111B DpRam0 DpRam7 DP=1 Flash=1 Flash=0
A3 D4
D0 D5 D4 D3 D2 D1 D0 D5 D4 D3 D2 D1 D0 000000 00H 0 010000 10H G 000001 01H 1 010001 11H H 000010 02H 2 010010 12H i 000011 03H 3 010011 13H J 000100 04H 4 010100 14H L 000101 05H 5 010101 15H o 000110 06H 6 010110 16H P 000111 07H 7 010111 17H q 001000 08H 8 011000 18H r 001001 09H 9 011001 19H t 001010 0AH A 011010 1AH U 001011 0BH b 011011 1BH y 001100 0CH C 011100 1CH c 001101 0DH d 011101 1DH h 001110 0EH E 011110 1EH T 001111 0FH F 011111 1FH (3) Bit7 Bit6 CmdBuf0: 0 1 CmdBuf1: F7 F6 Fn=1 n 0~7 Bit5 Bit4 Bit3 Bit2 1 1 X X F5 F4 F3 F2 0~7 Fn=0 Bit1 Bit0 X X F1 F0
01110000B 00000000B

A. TA=25 VCC IDD1 VIL1 VIH1 VIL2 VIH2 IOL IDL IDH fI2C SDA,SCL SDA,SCL /RST /RST INT Dig0~Dig7 SegA~SegH I2C VDD 3.3 5 3.3 LED 0 0.7VCC 0 0.9VCC 4 10 4 10 -2 -5 20 5 1 3 8 20 8 20 -4 -10 5.5 2 5 0.3VCC VCC 0.4VCC VCC 32 V mA V V V V mA mA mA KHz
3.3V 5V 3.3V 5V 3.3V 5V
VOL=0.1VCC VOL=0.1VCC VOL=0.1VCC VOL=0.1VCC VOH=0.9VCC VOH=0.9VCC 3K3
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: ............ GND-0.3V ~ GND+6.0V ............ GND-0.3V ~ VCC+0.3V ............ -50 ~ 125 ............ -40 ~ 85
. B. 13,12,21,22,3~6 10~7,2,1,24,23 20 19 14 15 17 18 16 11 C.
S1 S2 S3 S4 S5 S6 S7 S8 D1 SegA S9 S10 S11 S12 S13 S14 S15 S16 4148 D2 SegB S17 S18 S19 S20 S21 S22 S23 S24 4148 D3 SegC 4148 D4 SegD S33 S34 S35 S36 S37 S38 S39 S40 4148 D5 SegE 4148 D6 SegF 4148 D7 SegG S57 S58 S59 S60 S61 S62 S63 S64 4148 D8 SegH 4148 R11 3K3 R12 3K3 R13 3K3 R14 3K3 R15 3K3 R16 3K3 R17 3K3 R18 3K3 SegH SegG SegF SegE SegD SegC SegB SegA R1 R2 R3 R4 R5 R6 R7 R8 220 220 220 220 220 220 220 220
Dig7~ Dig0 SegH~SegA SDA SCL /INT /RES OSC1 OSC2 VCC GND
/ / / /
LED LED I2C / I2C , , (3.3~5.5V)
11 7 4 2 1 10 5 3
S25
S26
S27
S28
S29
S30
S31
S32
L1
11 7 4 2 1 10 5 3
L2
a b c d e f g h
C3
C2
C1
C0
C3
C2
C1 8 Dig1
9
8
6
9
Dig7 12
S49
S50
S51
S52
S53
S54
S55
S56
Dig3 12
Dig6
Dig5
Dig4
Dig2
Dig0
Dig1
Dig2
Dig3
Dig4
Dig5
Dig6
U1 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 13 12 21 22 3 4 5 6 Dig7 Dig6 Dig5 Dig4 Dig3 Dig2 Dig1 Dig0 SDA SCL /INT GND ZLG7290 SegA SegB SegC SegD SegE SegF SegG SegH VCC OSC2 OSC1 /RES 23 24 1 2 7 8 9 10 SegA SegB SegC SegD SegE SegF SegG SegH VCC VCC VCC R37 100K /RST C4 470p R33 3K3 P1 1 2 3 4 5 SCL SDA /INT C2 22p R34 3K3 C1 22p OscOut X1 8MHz OscIn C3 104 VCC E1 220u/16V
SDA 20 SCL 19 /INT 14 11
16 18 OscOut 17 OscIn 15 /RST
D. K0~K9(S10 S1~S9) 0 1~9
Dig7
KRight(S11)
KLeft(S12)
KMode(S13)
Zlg90Demo.c Zlg90Demo.a51 KeyInt IicSMasU.inc DemoC C DemoAsm
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Dig0
6
C0
S41
S42
S43
S44
S45
S46
S47
S48
a b c d e f g h

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IicSMasU.a51 /***** ;FileName: ;Describe: ; ; ; ; ; ; ; ;Author: ;Date: *****/ #include #define #define uchar uint unsigned char unsigned int Zlg90Demo.c
C Keil C51 V6.0
ZLG7290 80c51 I2C ZLG7290 test board * K0~K9(S10,S1~S9), 0,1~9
ZLG7290
, * KRight(S11); KLeft(S12) * KMode(S13) KMode(S13) 2003/04/25 Blueyes Wu
//hardware // #define K0 #define K1 #define K2 #define KRight #define KLeft #define KMode #define SlvZLG7290 #define SubKey #define SubCmdBuf #define SubDpRam 0x1 0x7 0x10 10 1 2 11 12 13 0x70 //S10 //S1 //S2 //S11 //S12 //S13 //ZLG7290 // // //
// IicSM.inc // ZLG7290 INT sbit KeyInt=P3^3; //hardware //80c51 I2C /***** ;Name: ;Describe: ;Input: ; ; ; _IicTxdRxd(TxdByte,RxdByte,&IicDataBuf) / TxdByte(R7)= RxdByte(R5)= IicDataBuf(R1)=/ (SlvAddr(),SubAddr()) //
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;Output: C(Retry=1): ; ; ; ; ; ; ; ; ; ; ; ; ;Nesting level: ;Change: ;****/ extern extern extern uchar uchar uchar uchar bit IicTxdRxd(uchar TxdByte,uchar RxdByte, uchar *IicDataBuf); //() data uchar SlvAddr; data uchar SubAddr; DpBuf[8]; i; IicWriteBuf[3]; IicReadBuf[3]; IicReadBuf[0] IicReadBuf[1] IicReadBuf[2] // // // // // //IIC //IIC IicDataBuf=() A.: SlvAddr() RxdByte=0 B.: SlvAddr(),SubAddr TxdByte=(1+) RxdByte=0 C.: SlvAddr() TxdByte=0 RxdByte= D.: SlvAddr(),SubAddr TxdByte=1 RxdByte= 1 A,C,R1, R4~R7 !!!( SubAddr ) TxdByte=((SubAddr )) ;:
#define key #define key_repeat #define FunctionKey bit EditMode;
void main(void){ uchar uchar KeyNum; Temp; // KeyInt // 0 9
KeyInt=1; for (i=0;i<8;i++){ DpBuf[i]=0; } EditMode=0; i=0; while(1){
// //
//
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while(KeyInt==0){ SlvAddr=SlvZLG7290; SubAddr=SubKey; while(IicTxdRxd(1,3,&IicReadBuf)==1); if(key<=K0){ KeyNum=key; if(key==K0){ KeyNum=0; }; if(EditMode==0){ // IicWriteBuf[0]=0x10; SlvAddr=SlvZLG7290; SubAddr=SubCmdBuf; IicTxdRxd(1+1,0,&IicWriteBuf); }; // DpBuf[i]=KeyNum; IicWriteBuf[1]=DpBuf[i]; IicWriteBuf[0]=0x60+i; if(EditMode){ IicWriteBuf[1]|=0x40; }; SlvAddr=SlvZLG7290; SubAddr=SubCmdBuf; IicTxdRxd(1+2,0,&IicWriteBuf); }else{ if((key==KMode)&(key_repeat==0)){ EditMode=~EditMode; i=0; }; IicWriteBuf[1]=0x00; if (EditMode==1){ //, if(key==KLeft){ if(i<7){ i++; }; }; if(key==KRight){ if(i>0){ i--;
//
// key,key_repeat,FunctionKey IicReadBuf0~2
// //
//
// i DpBuf[i] //
// // // //
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}; }; Temp=i+1; IicWriteBuf[1]=1; for(;Temp>1;Temp--){ //() IicWriteBuf[1]=IicWriteBuf[1]+IicWriteBuf[1]; } } IicWriteBuf[0]=0x70; SlvAddr=SlvZLG7290; SubAddr=SubCmdBuf; IicTxdRxd(1+2,0,&IicWriteBuf); } } } } /***** ; FileName: ; Describe: ; ; ; ; ; ; ; ; Author: ; Date: *****/ $include (reg51.inc) ;hardware ; K0 K1 K2 KRight KLeft KMode SlvZLG7290 SubKey equ 10 equ 1 equ 2 equ 11 equ 12 equ 13 equ 0x70 equ 0x1 ;S10 ;S1 ;S2 ;S11 ;S12 ;S13 ;ZLG7290 ; Zlg90Demo.a51 ZLG7290 80c51 I2C ZLG7290 test board * K0~K9(S10,S1~S9), 0,1~9 , * KRight(S11); KLeft(S12) * KMode(S13) KMode(S13) 2003/04/25 Blueyes Wu ZLG7290 //
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SubCmdBuf SubDpRam
equ 0x7 equ 0x10
; ;
; IicSM.inc ; ZLG7290 INT KeyInt ;hardware extrn extrn extrn code(_IicTxdRxd) data(SlvAddr) data(SubAddr) ; ; ; equ P3.3 ;
DataSegZlg90Demo SEGMENT DATA RSEG DataSegZlg90Demo DpBuf: i: ds ds 1 3 3 equ IicReadBuf+1 ds 8 ; ; ;IIC ;IIC
IicWriteBuf: ds IicReadBuf: key
equ IicReadBuf
key_repeat
FunctionKey equ IicReadBuf+2 EditMode bit KeyNum: Temp: ?STACK 1 ds DS 1 SEGMENT RSEG DS 1 CodeSegZlg90Demo SEGMENT CODE RSEG CodeSegZlg90Demo org main: MOV SETB CLR MOV MOV DpBufIni: MOV INC @R0,a R0 sp,#?STACK-1 KeyInt A R0,#DpBuf R1,#8 ; ; KeyInt ; 0 ?STACK IDATA 1 ; ; 0 9
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DJNZ CLR MOV Loop: JB MOV MOV Loop1: MOV MOV MOV LCALL JC MOV SETB SUBB JNC MOV MOV CJNE MOV ForKey0End: JB MOV MOV MOV MOV MOV MOV LCALL ForEditEnd: ; MOV ADD MOV MOV MOV JNB
R1,DpBufIni EditMode i,A ; ;
KeyInt,Loop SlvAddr,#SlvZLG7290 SubAddr,#SubKey R1,#IicReadBuf R5,#3 R7,#1 _IicTxdRxd Loop1 A,key C A,#K0 CtrlKey KeyNum,key A,key A,#K0,ForKey0End KeyNum,#0 EditMode, ForEditEnd IicWriteBuf,#010H SlvAddr,#SlvZLG7290 SubAddr,#SubCmdBuf R1,#IicWriteBuf R5,#0 R7,#1+1 _IicTxdRxd A,#LOW (DpBuf) A,i R0,A @R0,KeyNum A,@R0 EditMode, ForNoEditEnd ; ;
; key,key_repeat,FunctionKey IicReadBuf0~2
;
;
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ORL MOV MOV ADD MOV MOV MOV MOV MOV MOV LCALL SJMP CtrlKey: MOV JNZ MOV CJNE CPL CLR MOV MOV JNB MOV CJNE INC ForKLeftEnd: MOV CJNE DEC ANL MOV MOV MOVC MOV InInputMode: MOV MOV MOV
A,#040H IicWriteBuf+01H,A A,i A,#060H IicWriteBuf,A SlvAddr,#SlvZLG7290 SubAddr,#SubCmdBuf R1,#IicWriteBuf R5,#0 R7,#1+2 _IicTxdRxd ForNext
;
ForNoEditEnd:
; i DpBuf+i
; A,key_repeat ForKModeEnd A,key A,#KMode, ForKModeEnd EditMode A i,A IicWriteBuf+1,#0H EditMode, InInputMode A,key A,#KLeft, ForKLeftEnd i A,key A,#KRight, ForKRightEnd i i,#111B DPTR,#Tab8Sel1 A,i A,@A+DPTR IicWriteBuf+1,A IicWriteBuf,#70H SlvAddr,#SlvZLG7290 SubAddr,#SubCmdBuf ;() ; ; ;
; KMode
ForKModeEnd:
;,
ForKRightEnd:
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MOV MOV MOV LCALL ForNext: LJMP Tab8Sel1:
R1,#IicWriteBuf R5,#0 R7,#1+2 _IicTxdRxd Loop
DB 00000001B,00000010B,00000100B,00001000B DB 00010000B,00100000B,01000000B,10000000B END ;/***** ;FileName: ;Describe: ;Author: ;Date: ;*****/ $include (IicSMasU.inc) public _IicTxdRxd ;RAM public SlvAddr public SubAddr ;/***** ;Name: ;Describe: ;Input: ; ; ; ;Output: ; ;: ; ; ; ; ; ; ; ; A.: SlvAddr() RxdByte=0 B.: SlvAddr(),SubAddr TxdByte=(1+) RxdByte=0 C.: SlvAddr() TxdByte=0 !!!( SubAddr ) TxdByte=((SubAddr )) bit _IicTxdRxd(TxdByte,RxdByte,&IicDataBuf) / TxdByte= RxdByte= IicDataBuf=/ (SlvAddr(),SubAddr()) C(Retry=1): IicDataBuf=() IicSMasU.a51 80c51 I2C Blueyes Wu 2003/01/12
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; ; ; ; ;Nesting level: ;Change: ;****/ BitSegIicSM Retry:
RxdByte= D.: SlvAddr(),SubAddr TxdByte=1 RxdByte= 1 A,C,R1, R4~R7
SEGMENT BIT overlayable dbit 1 ; I2C
RSEG BitSegIicSM
DataSegIicSM SlvAddr: SubAddr: TxdByte RxdByte ds ds
SEGMENT DATA overlayable 1 1 ; ; ;() ;() ; X
RSEG DataSegIicSM
equ r7 equ r5 X
WaitXTm macro if X=0
exitm endif if X=1 nop endif if X=2 nop nop endif if X=3 nop nop nop endif if X>255 error "the number of X is too much" else mov r6,#X/2 DJNZ endif endm r6,$
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CodeSegIicSM
SEGMENT CODE
RSEG CodeSegIicSM _IicTxdRxd: SETB ;/***** ; ;*****/ SendStart: SETB SETB CLR CLR ;/***** ;, ;*****/ SendSlaAdr: MOV CJNE SETB SendSlaAdr1: SETB CALL JC JB ; MOVA,SubAddr SendData: SETB CALL JC MOV INC DJNZ DEC MOV JNZ JMP C XmByte IicErr A,@R1 R1 TxdByte,SendData R1 A,RxdByte SendStart SendStop ;RxdByte>0 ; ; SDA C XmByte IicErr ACC.0,ReceiveData ; ;SlaAdr.0=1 ; SDA A,SlvAddr TxdByte,#0,SendSlaAdr1 ACC.0 ;TxdByte=0 SDA SCL SDA SCL ; ; Retry ;
WaitXTm IicDelay WaitXTm IicDelay
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;/***** ;Name: ;Describe: ;Input: ; ;Output: ;Use: ;*****/ RcvByte: MOV ;/***** ;Name: ;Describe: ;Input: ;Output: ; ;Use: ;*****/ XmByte: MOV RXBit: RLC MOV SETB MOV CLR DJNZ RET ReceiveData: MOV CJNE A,RxdByte A,#2,ReceiveData1 ;RxdByte=1(),(C=1) ;(C=0) ReceiveData1: CALL MOV INC DJNZ ;/***** ; I2C RcvByte @R1,A R1 RxdByte,ReceiveData A SDA,C SCL C,SDA SCL R4,RXBit ; ;input data ; ;output data R4,#9 ; 8 +1 () XmByte 1 ( 8 , 1 ()) A=, C=1( SDA ) C=1:slave (slave ) C=0:slave (slave ) A,R4,C,R6(WaitXTm) A,#0FFH ; SDA RcvByte 1 ( 8 ,+1 ()) C=1:( slave ) C=0:( slave ) A=, C=() A,R4,C,R6(WaitXTm)
WaitXTm IicDelay WaitXTm IicDelay
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;*****/ SendStop: CLR IicErr: CLR SETB SETB RET END ;/***** ;FileName: ;Describe: ;Author: ;Date: ;*****/ $include (reg51.inc) ;hardware IicDelay EQU 15 ; I2C (100KHz 4.7uS) ; 1 =0.5uS, I2C 50KHz(I2C ; 10uS) , IicDelay=(10uS/0.5uS)=20 SCL SDA ;hardware EQU EQU p3.4 p3.5 IicSMasU.inc 80c51 I2C Blueyes Wu 2003/01/12 SDA SCL SDA ;RETURN ERROR FLAG(C=Retry) Retry ; ;
WaitXTm IicDelay MOVC,Retry
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Plastic SKDIP Outline Dimensions
24-pin SKDIP (300mil) Outline Dimensions
A 24 B 1 13 12
H C D E . G
=
I
Symbol A B C D E F G H I a
Dimensions in mil Min. 1235 255 125 125 16 50 3/4 295 345 0 Nom. 3/4 3/4 3/4 3/4 3/4 3/4 100 3/4 3/4 3/4 Max. 1265 265 135 145 20 70 3/4 315 360 15

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SOP Outline Dimensions
24-pin SOP (300mil) Outline Dimensions
24 A
13 B
1
12
C C' G H D E .
=
Symbol A B C C D E F G H a
Dimensions in mil Min. 394 290 14 590 92 3/4 4 32 4 0 Nom. 3/4 3/4 3/4 3/4 3/4 50 3/4 3/4 3/4 3/4 Max. 419 300 20 614 104 3/4 3/4 38 12 10

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