Service manual

56
YSP-500/HTY-750
YSP-500/HTY-750
VSS
VCC1
AVSS
VREF
AVCC
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
P113
P112
P111
P110
P03
P02
P01
P00
P157
P156
P155
P154
P153
P152
P151
P150
P107
P106
P105
P104
P103
P102
P101
P100
P97
KI3
KI2
KI1
KI0
RTP33
RTP32
RTP31
RTP30
RTP13
RTP12
RTP11
RTP10
CTS5/
RTS5
TxD5
AN03
AN02
AN153
AN150
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
O
I
O
O
O
O
O
O
O
O
O
O
Rx
O
–
Tx
–
A-D IN
A-D IN
A-D IN
A-D IN
A-D IN
A-D IN
–
A-D IN
–
–
I/O
INPC13/
OUTC13
CS OUT to E2PROM
Analog input selection (IN_SEL_1: TC4052BF)
Analog input selection (IN_SEL_0: TC4052BF)
GND
Power supply +3.3V
Destination discrimination by AD value
Power voltage detection (PS Protect) IN
3.3V power activation detection (PS3 Protect) IN
+3.3V_DET
Power voltage detection 2 (PS2 Protect) IN
KEY0 AD value taken in
KEY1 AD value taken in
Connect to Vss (GND)
Model select IN
A- D, D-A reference voltage input
Connect to VCC terminal (+3.3V)
(Pull-up required)
[L: DATA
transmission]
Output L0
[0 to VREF]
[0 to VREF]
[0 to VREF]
[0 to VREF]
[0 to VREF]
[0 to VREF]
Pull-down
[0 to VREF]
Control
terminal
No.
Port
name
Interrupt
terminal
Analog
terminal
I/O
Timer
terminal
UART
terminal
Detail of function
Intelligent
I/O terminal