Kirisun DP480, Service Manual

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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