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22 SPECIFICATIONS FOR CPU BOARD CONNECTORS
S5U1C17801T1100 HARDWARE MANUAL
EPSON
47
(SOFTWARE EVALUATION TOOL FOR S1C17801)
J8 Connector
The following shows specifications of J8, a connector for expansion board.
Table 22.3.1 J8 Connector Pin Assignment
Connector J8
Maker: SAMTEC
Model number: SSW-108-01-S-D
Front view of CPU board
No. Name I/O Functionalities
1 VDD – Power pin
2 VDD – Power pin
3 P50/I2C_SDA I/O | I/O General purpose I/O port | I
2
C data I/O pin
4 N.C (TP22) – –
5 P51/I2C_SCL I/O | I/O General purpose I/O port | I
2
C clock I/O pin
6 N.C (TP23) – –
7 PC3 (if P45=L) I/O General purpose I/O port
8 N.C (TP24) – –
9 PA2 (if P45=L) I/O General purpose I/O port
10 N.C (TP31) – –
11 P40/SIN0 (TP42)
I/O | I General purpose I/O port | UART data input pin
12 N.C (TP32) – –
13
P41/SOUT0 (TP43)
I/O | O General purpose I/O port | UART data output pin
14 GND – –
15 P42/SCLK (TP44) I/O | I General purpose I/O port | UART clock input pin
16 GND – Power ground
1 2
15 16