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
1VDD Power pin
2VDD Power pin
3P50/I2C_SDA I/O | I/O General purpose I/O port | I2C data I/O pin
4N.C (TP22) – –
5P51/I2C_SCL I/O | I/O General purpose I/O port | I2C clock I/O pin
6N.C (TP23) – –
7PC3 (if P45=L) I/O General purpose I/O port
8N.C (TP24) – –
9PA2 (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
1516