EM78P569 View Datasheet(PDF) - ELAN Microelectronics
Part Name
Description
MFG CO.
'EM78P569' PDF : 58 Pages View PDF
EM78P569
8-bit OTP Micro-controller
PAGE1 (PORT8 pull high control register)
7
6
5
4
3
2
1
PH87 PH86 PH85 PH84 PH83 PH82 PH81
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 (PH80 ~ PH87) : PORT8 bit0~bit7 pull high control register
0 disable pull high function.
1 enable pull high function
0
PH80
R/W-0
IOC9 (PORT9 I/O control, PORT9 switches)
PAGE0 (PORT9 I/O control register)
7
6
5
4
3
2
1
0
IOC97 IOC96 IOC95 IOC94 IOC93 IOC92 IOC91 IOC90
R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1
Bit 0 ~ Bit 7 (IOC90 ~ IOC97) : PORT9(0~7) I/O direction control register
0 put the relative I/O pin as output
1 put the relative I/O pin into high impedance
PAGE1 (PORT9 switches)
7
6
5
4
3
2
1
0
P97S P96S P95S P94S P93S P92S P91S P90S
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(P90S) : Switch I/O PORT90 or LCD segment signal
0 (P90 pin is selected) : normal PORT90
1 (SEG20 pin) : SEGMENT output
Bit 1(P91S) : Switch I/O PORT91 or LCD segment signal
0 (P91 pin is selected) : normal PORT91
1 (SEG19 pin) : SEGMENT output
Bit 2(P92S) : Switch I/O PORT92 or LCD segment signal
0 (P92 pin is selected) : normal PORT92
1 (SEG18 pin) : SEGMENT output
Bit 3(P93S) : Switch I/O PORT93 or LCD segment signal
0 (P93 pin is selected) : normal PORT93
1 (SEG17 pin) : SEGMENT output
Bit 4(P94S) : Switch I/O PORT94 or LCD segment signal
0 (P94 pin is selected) : normal PORT94
1 (SEG16 pin) : SEGMENT output
Bit 5(P95S) : Switch I/O PORT95 or LCD segment signal
0 (P95 pin is selected) : normal PORT95
1 (SEG15 pin) : SEGMENT output
Bit 6(P96S) : Switch I/O PORT96 or LCD segment signal
0 (P96 pin is selected) : normal PORT96
1 (SEG14 pin) : SEGMENT output
Bit 7(P97S) : Switch I/O PORT97 or LCD segment signal
0 (P97 pin is selected) : normal PORT97
1 (SEG13 pin) : SEGMENT output
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* This specification is subject to be changed without notice.
32
8/19/2004 V4.4
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