DP480 Service Manual
12
(Gpio1=VH or VL, it is the input/output code data)
GPIO0
32
Gpio0 / css_in / css_out
(Gpio0=VH or VL, it is the input/output CTCSS/CDCSS signal)
4.7.3.
Port Description of Master Chip HS8861
PIN NO. Port NO.
Port Name
Function
E11
GPIO_D44
NC
NC
J19
BSENS
MAND_IN
IC level input under Man Down state
L22
ADC_IN
BAT_DET
Battery capacity detection
W13
GPIO_D7
PF
Input from side key
R14
GPIO_D6
BEEP_C
Switch of voice receiving / alert tone
W14
GPIO_D101
EERROM_WP
EEPROM
AA17
GPIO_D24
ECN_3
Channel switch
AB17
GPIO_D23
ECN_2
Channel switch
V15
GPIO_D11
KEYPAD5
4*4 keys
V16
GPIO_D99
KEYPAD3
4*4 keys
V17
GPIO_D100
MAND_C
IC power supply control under Man Down state
AA18
GPIO_D22
EXT_PTT
External PTT
U18
GPIO_D98
KEYPAD2
4*4 keys
V19
GPIO_D96
KEYPAD0
4*4 keys
U19
GPIO_D13
KEYPAD7
4*4 keys
T19
GPIO_D14
NC_GPIO
NC
U21
GPIO_D12
KEYPAD6
4*4 keys
T21
GPIO_D97
KEYPAD1
4*4 keys
V22
GPIO_D10
KEYPAD4
4*4 keys
F5
GPIO_D112
LCD_RS
LCD
Содержание DP480
Страница 9: ...DP480 Service Manual 6 4 Circuit Description 4 1 Circuit Diagram of Main Board ...
Страница 76: ...DP480 Service Manual 73 Top Layer Layout Drawing of Main Board ...
Страница 77: ...DP480 Service Manual 74 Bottom Layer Layout Drawing of Main Board ...
Страница 79: ...DP480 Service Manual 76 Top Layer Layout Drawing of Key PCB ...
Страница 80: ...DP480 Service Manual 77 Bottom Layer Layout Drawing of Key PCB ...
Страница 84: ...DP480 Service Manual 81 Top Layer Layout Drawing of Module Board ...