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EM78P813BQ Datasheet(PDF) 18 Page - ELAN Microelectronics Corp

Part # EM78P813BQ
Description  8-BIT OTP MICRO-CONTROLLER
Download  65 Pages
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM78P813BQ Datasheet(HTML) 18 Page - ELAN Microelectronics Corp

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EM78P813
8-bit OTP Micro-controller
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to change without notice.
18
2004/8/19
(V1.6)
Bit 3 (CDAS) : Current DA switch
0
normal PORTD7
1
Current DA output
Bit 4 ~ Bit 7 : These 4 bits are undefined, they are not allowed to use.
R6 Port 6 I/O Data , Data ROM data buffer,CNT1 Data(H),DA control
PAGE0 Port 6 I/O Data
7
6
5
4
3
2
1
0
P67
P66
P65
P64
P63
P62
P61
P60
R/W-X
R/W-X
R/W-X
R/W-X
R/W-X
R/W-X
R/W-X
R/W-X
Bit 0 ~ Bit 7 (P60 ~ P67) : 8-bit PORT6 (0~7) I/O data register
User can use IOC register to define input or output each bit..
PAGE1 Data ROM Data buffer
7
6
5
4
3
2
1
0
DRD7
DRD6
DRD5
DRD4
DRD3
DRD2
DRD1
DRD0
R/W-X
R/W-X
R/W-X
R/W-X
R/W-X
R/W-X
R/W-X
R/W-X
Bit 0 ~ Bit 7 (DRD0 ~ DRD7) : Data ROM data buffer for ROM reading.
Example.
MOV
A,@1
MOV
R7_PAGE1,A
MOV
A,@0
MOV
R8_PAGE1,A
MOV
A,@0
MOV
R9_PAGE1,A
MOV
A,R6_PAGE1
;read the data at Data ROM which address is "00001".
PAGE2 Counter1 high 8bit Data buffer
7
6
5
4
3
2
1
0
CN1F
CN1E
CN1D
CN1C
CN1B
CN1A
CN19
CN18
Bit 0~Bit 7(CN18~CN1F) : Counter1's high 8 bits data buffer. Please refer to IOC9 page2 counter1 low 8 bit data buffer
for detail.
PAGE3 DA Control
7
6
5
4
3
2
1
0
DA9
DA8
DA7
DA6
DA5
DA4
DA3
DA2
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
Bit 0 ~ Bit 7 (DA2 ~ DA9) : Current DA most significant 8 bits of Current DA output buffer
Combine these 8 bits and R9 page3 bit4~bit5 2 bits as complete 10 bits Current DA output data. Control
register bit3 is Current DA power control .


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