LG KT520 Service Manual page 30

3.1.7 GPIO (General Purpose Input/Output) map
In total 39 allowable resources. This model is using 39 resources.
GPIO Map, describing application, I/O state, and enable level are shown in below table.
Access GPIO
GPIO
ACC_GPIO_0
ACC_GPIO_1
ACC_GPIO_2
ACC_GPIO_3
ACC_GPIO_4
ACC_GPIO_5
ACC_GPIO_6
ACC_GPIO_7
ACC_GPIO_8
ACC_GPIO_9
ACC_GPIO_10
ACC_GPIO_11
ACC_GPIO_12
ACC_GPIO_13
ACC_GPIO_14
ACC_GPIO_15
ACC_GPIO_16
ACC_GPIO_17
ACC_GPIO_18
ACC_GPIO_19
ACC_GPIO_20
ACC_GPIO_21
ACC_GPIO_22
ACC_GPIO_23
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Only for training and service purposes
Assigned Name
ACC_GP00_USB_STP
ACC_GP01_USB_DIR
ACC_GP02_UART0_RX
ACC_GP03_UART0_TX
ACC_GP04_USB_CLK
ACC_GP05_USB_NXT
ACC_GP06_USB_DAT4
ACC_GP07_USB_DAT5
ACC_GP10_USB_DAT6
ACC_GP11_USB_DAT7
ACC_GP12_KEY_LED_ON
ACC_GP13_SPK_AMP_EN
ACC_GP14_BT_SPI_INT
NA
ACC_GP16_MC_DETECT
NA
ACC_GP20_USB_CS_PD
NA
ACC_GP22_USB_DAT3
ACC_GP23_BT_SPI_CS0n
ACC_GP24_BT_SPI_DAT0
ACC_GP25_BT_SPI_DAT1
ACC_GP26_BT_SPI_CLK
ACC_GP27_AMP_SW_EN
Table 3-1-4. DB3150 ACC GPIO Map Table
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3. TECHNICAL BRIEF
Init Status
Output low
input
input
Output
input
input
input / Output
input / Output
input / Output
input / Output
Output low
Output low
Input
Output Low
Input
Output Low
input / Output
input / Output
Output High
Output low
Input
Output low
Output low
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