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Backlight Volume Control
(7-pin BLT_VOL1: see p.8, No. 15)
Printer Port / GPIO Header
(25-pin LPT_GPIO1: see p.8, No. 20)
ERROR#
Note: If you want to use the printer port function, please short pin4 and pin5 on
Digital Input / Output Power Select (JGPIO_PWR1).
Printer Port:
SLCT
GND
PE
GND
BUSY
GND
ACK#
GND
SPD7
GND
SPD6
GND
SPD5
GND
SPD4
GND
SPD3
SLIN#
SPD2
SPD1
PINIT#
SPD0
AFD#
STB#
1
1
GPIO:
PIN Signal Name PIN Signal Name
26
NC
25
24
GND
23
22
GND
21
20
GND
19
18
GND
17
16
GND
15
14
GND
13
12
JGPIOPWR
11
10
JGPIOPWR
9
8
SIO_GP43
7
6
SIO_GP44
5
4
SIO_GP45
3
2
SIO_GP46
1
21
PIN
Signal Name
1
GPIO_VOL_UP
2
GPIO_VOL_DW
3
PWRDN
4
BLT_UP
5
BLT_DW
6
GND
7
GND
NA
SIO_GP30
SIO_GP31
SIO_GP32
SIO_GP33
SIO_GP34
SIO_GP35
SIO_GP36
SIO_GP37
SIO_GP40
SIO_GP41
SIO_GP42
SIO_GP47
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