List Of Cpu Assignments - HP f1723 Service Manual

7.8 List of GPIO Pin Assignments of the I304
Port Pin No. Signal Name
GPIO1
24
GPIO21
16
GPIO4
27
GPIO5
28
GPIO13
37
GPIO12
36
GPIO9
33
GPIO10
34
GPIO7
32
GPIO0
23
GPIO11
35
GPIO18
12
GPIO19
11
GPIO26
29
PBIAS
41
PPWR
40
Page 10
Initial Setting Function
MUTE H
KEY_POWER H
UART_DI H
UART_DO H
NVRAM_SCL H
NVRAM_SDA H
LED_AMBER L
LED_GRN H
KEY_MINUS H
BKLT-ADJ -
WRn -
A16 -
A17 -
KEY_PLUS H
BKLT_EN H
PANEL_EN H
f1723 / FP7317 / L1702 / vf17 / FP17
Audio Mute Enable
ON/OFF Monitor Power
UART interface data IN
UART interface data OUT
NVRAM_SCL
NVRAM_SDA
LED_AMBER Enable
LED_GRN Enable
KEY_LEFT Enable
Backlight Brightness Control
Flash Rom Write Enable
Address Input
Address Input
KEY_RIGHT
Backlight_Enable
Panel_Vcc Enable
Remark