Daewoo DSL19M1WC, Service Manual

Page: 37 / 78

36
66 IOWR#
Input
2~16MA, SR
SMT
Flash write enable, active low / IO
76 IOCS#
Input
2~16MA, SR
PU, SMT
Flash chip select, active low / IO
94 UWR#
Input
2~16MA, SR
PU, SMT
Microcontroller write strobe, active low
95 URD#
Input
2~16MA, SR
PU, SMT
Microcontroller read strobe, active low
97 UP1_2
Input
4MA, SR
PU, SMT Microcontroller port 1-2
98 UP1_3
Input
4MA, SR
PU, SMT Microcontroller port 1-3
99 UP1_4
Input
4MA, SR
PU, SMT Microcontroller port 1-4
100 UP1_5
Input
4MA, SR
PU, SMT Microcontroller port 1-5
101 UP1_6 SCL
Input
4MA, SR
PU, SMT
1) Microcontroller port 1-6
2) I
2
C clock pin
102 UP1_7 SDA
Input
4MA, SR
PU, SMT
1) Microcontroller port 1-7
2) I
2
C data pin
103 UP3_0 RXD
Input
4MA, SR
PU, SMT
1) Microcontroller port 3-0
2) 8032 RS232 RXD
104 UP3_1 TXD
Input
4MA, SR
PU, SMT
1) Microcontroller port 3-1
2) 8032 RS232 TXD
105 UP3_4 RXD SCL
Input
4MA, SR
PU, SMT
1) Microcontroller port 3-4
2) Hardwired RD232 RXD
3) I
2
C clock pin
106 UP3_5 TXD SDA
Input
4MA, SR
PU, SMT
1) Microcontroller port 3-5
2) Hardwired RD232 TXD
3
) I
2
C data pin
109 IR
Input
SMT
IR control signal input
110 INTO#
Input
4MA, SR
PU, SMT Microcontroller external interrupt 0, active low