Specifications

EPL-5700 Chapter7 Appendix
Rev. A
7-
5
Table 7-9. Connector CN7 Pin
Pin Signal Name I/O Description
1 HSKo O Serial synchronizing clock
2 HSKi I Transmission permission signal
from host.
3 TXD- O Serial data output signal
4 GND -- Ground
5 RXD+ I Serial data input signal
6 TXD+ O Serial data output signal
7 GPi O Signal to let the host know that
communication is available.
8 RXD+ I Serial data input signal
Table 7-10 . Connector CN9 Pin
Pin Signal Name I/O Description
1 VCC --- +5V
2 VCC --- +5V
3 LCDX O LCD Controller enable signal
(not used)
4 A1 O Control/Data select signal of
LCD controller.
5 LCDWRX O LCD controller writing signal
(not used)
6 DB3 O Data bus to LCD (not used)
7 DB2 O Data bus to LCD (not used)
8 DB1 O Data bus to LCD (not used)
9 DB0 O Data bus to LCD (not used)
10 SW5X I Panel switch(not used)
11 SW6X I Panel switch(not used)
12 SW7X I Panel switch(not used)
13 SW8X I Panel switch(not used)
14 LED4X O LED light On signal
15 LED5X O LED light On signal
16 LED6X O LED light On signal
17 GND --- Ground
18 LCDCLK O LCD Clock signal(not used)
19 GND --- Ground
20 SW3X I Panel switch
21 SW2X I Panel switch
22 SW1X I Panel switch
23 SW0X I Panel switch
24 LED3X O LED light On signal
25 LED2X O LED light On signal
26 LED1X O LED light On signal