Sanyo PLC-UF15 Service Manual page 62

CPU and I/O-Expander Control port functions
Output Expander Control port functions (IC1822 20 pin)
Name
Pin No.
1 OE
2 O0
3 D0
4 D1
5 O1
6 O2
7 D2
8 D3
9 O3
10 GND
11 CP
12 O4
13 D4
14 D5
15 O5
16 O6
17 D6
18 D7
19 O7
20 Vcc
I/O Expander Control port functions (IC9021 16 pin)
Name
Pin No.
1 SO
2 SCL
3 SDA
4 D0
5 D1
6 D2
7 D3
8 Vss
9 D4
10 D5
11 D6
12 D7
13 Vdd
14 CS2
15 CS1
16 CS0
I/O Expander Control port functions (IC9022 16 pin)
Name
Pin No.
1 SO
2 SCL
3 SDA
4 D0
5 D1
6 D2
7 D3
8 Vss
9 D4
10 D5
11 D6
12 D7
13 VDD
14 CS2
15 CS1
16 CS0
Function Name
EXP_RST
SCONFIG Single to Dual converter Enhancer CONFIG Signal
Data Bus 0
Data Bus 1
IP_RESET IP_RESET
PROGRAM PROGRAM
Data Bus 2
Data Bus 3
USB_BRST USB on-off
GND
STB_ENHA Enhancer Strobe Signal
Data Bus 4
Data Bus 5
STB_GH GH FPGA Strobe Signal
STB_FIFO FIFO FPGA Strobe Signal
Data Bus 6
Data Bus 7
STB_FPGA SW FPGA Strobe Signal
+5V
Function Name
S0 Serial Data Output
IIC BUS SCL
IIC BUS SDA
M-IDA1 Slot 1 Type Detection 1
M-IDA2 Slot 2 Type Detection 1
M-IDA3 Slot 3 Type Detection 1
M-IDA4 Slot 4 Type Detection 1
GND
M-IDB1 Slot 1 Type Detection 2
M-IDB2 Slot 2 Type Detection 2
M-IDB3 Slot 3 Type Detection 2
M-IDB4 Slot 4 Type Detection 2
5V ±10%
CS2
CS1
CS0
Function Name
S0 Serial Data Output
IIC BUS SCL
IIC BUS SDA
M-IDC1 Slot 1 Type Detection 3
M-IDC2 Slot 2 Type Detection 3
M-IDC3 Slot 3 Type Detection 3
M-IDC4 Slot 4 Type Detection 3
GNDÅ
SLOT1 ID SLOT1 ID
SLOT2 ID SLOT2 ID
SLOT3 ID SLOT3 ID
SLOT4 ID SLOT4 ID
5V ±10%
CS2
CS1
CS0
-62-
Function
Function
Function
Polarity I/O
O
O
O
USB= L O
O
O
O
O
Polarity I/O
O
I
I/O
I
I
I
I
-
I
I
I
I
-
I
I
I
Polarity I/O
O
I
I/O
I
I
I
I
-
w/SLOT1= L I
w/SLOT2= L I
w/SLOT3= L I
w/SLOT4= L I
-
I
I
I