Gpio (General Purpose Input/Output) Map - LG U8130 Service Manual

3.1.7 GPIO (General Purpose Input/Output) map

In total 40 allowable resources. This model is using 25 resources.
GPIO Map, describing application, I/O state, and enable level are shown in below table.
IO # Application
GPIO00 Not used
GPIO01 BL_PWL
GPIO02 7C_LED_VDD_EN
GPIO03 PULSESKIP (Not used)
GPIO04 CAMERA_DET
GPIO05 GPIO05 (Not used)
GPIO06 AMPCTR
GPIO07 TGBUZZ (Not used)
GPIO10 UARTRX0
GPIO11 UARTTX0
GPIO12 Not used
GPIO13 Not used
GPIO14 UARTRX1
GPIO15 UARTTX1
GPIO16 UARTRTS1
GPIO17 UARTCTS1
GPIO20 CAM_REG_EN
GPIO21 CAM_FLASH_ON
GPIO22 TP2125 (Not used)
GPIO23 CAM_FLASH_SHOT
GPIO24 Not used
GPIO25 Not used
GPIO26 Not used
GPIO27 Not used
GPIO30 Not used
GPIO31 Not used
IO Resource
– –
O GPIO
O GPIO
I GPIO
I GPIO
O –
O GPIO
O GPIO
I UART0
O UART0
– –
– –
I UART1
O UART1
I UART1
O UART1
O GPIO
O GPIO
– –
O GPIO
– –
– –
– –
– –
– –
– –
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3. TECHNICAL BRIEF
Inactive State Active State
–
Low High
Low High
–
High
–
Low
Low
High
High
–
–
High
High
High
–
Low High
Low
–
Low
–
–
–
–
–
–
–
–
Low
–
High
High
Low
Low
–
–
Low
Low
Low
–
High
–
High
–
–
–
–
–
–