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22 SPECIFICATIONS FOR CPU BOARD CONNECTORS
48
EPSON
S5U1C17801T1100 HARDWARE MANUAL
(SOFTWARE EVALUATION TOOL FOR S1C17801)
J12 Connector
The following shows specifications of J12, a connector for expansion board. This connector is used for the
connection with the LCD board.
Table 22.4.1 J12 Connector Pin Assignment
Connector J12
Maker: SAMTEC
Model number: TSW-109-07-S-D
Front view of CPU board (without LCD panel)
No. Name I/O Functionalities
1 VDD – Power pin
2 VDD – Power pin
3 PC4/FPDAT4 I/O | O (I/O) General purpose I/O port | Display data bus
4 PC5/FPDAT5 I/O | O (I/O) General purpose I/O port | Display data bus
5 PC6/FPDAT6 I/O | O (I/O) General purpose I/O port | Display data bus
6 PC7/FPDAT7 I/O | O (I/O) General purpose I/O port | Display data bus
7 P54/FPFRAME I/O | O General purpose I/O port | Frame clock
8 P55/FPLINE I/O | O General purpose I/O port | Display data line clock
9 P56/FPSHIFT I/O | O General purpose I/O port | Display data shift clock
10 P57/FPDRDY I/O | O
General purpose I/O port | LCD ON/OFF control (L:OFF, H:ON)
11 Backlight control I Backlight control (VDD or MFT0 control switch IC)
12 VDD – Power pin
13 VDD – Power pin
14 VDD – Power pin
15
VDD
– Power pin
16 VDD – Power pin
17 GND – Power ground
18 GND – Power ground
17 1
18 2