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PRODUCT USER GUIDE
IO Name
CR Value Default*
0000
0001 *
0010
0011
GPIO_B_6
0100
0101
0110
0111
0000
0001 *
0010
0011
GPIO_B_7
0100
0101
0110
0111
0000
0001 *
0010
0011
GPIO_B_8
0100
0101
0110
0111
0000
0001 *
0010
0011
GPIO_B_9
0100
0101
0110
0111
0000
0001 *
0010
0011
GPIO_B_10
0100
0101
0110
0111
0000
0001 *
0010
0011
GPIO_B_11
0100
0101
0110
0111
Name
Dir
GPIO[18]
I/O
CONN_BT_TXD
O
UART0_TX
O
TDMIN_BCK
I
DMIC_DAT0
I
UART1_RX
I
IR_IN
I
CM33_GPIO_EINT10
I
GPIO[19]
I/O
WIFI_TXD
O
UART0_RTS
O
I2C1_SDA
I
I2SIN_LRCK
O
UART1_TX
O
PTA_EXT_IF_FREQ
I
CM33_GPIO_EINT11
I
GPIO[20]
I/O
CONN_WF_MCU_AICE_TCK
I
C
UART0_CTS
I
I2C1_SCL
I
I2SIN_BCK
O
DEBUG_12
O
PTA_EXT_IF_FACT
I
CM33_GPIO_EINT12
I
GPIO[21]
I/O
CONN_WF_MCU_AICE_TMS
I/O
C
PTA_EXT_IF_PRI
I/O
TDMIN_LRCK
I/O
DMIC_DAT1
I
DEBUG_13
O
ANT_SEL9
O
CM33_GPIO_EINT13
I
GPIO[22]
I/O
CONN_BGF_MCU_AICE_TCK
I
C
PTA_EXT_IF_WLAN_ACT
O
TDMIN_DI
I
DMIC_DAT2
I
DEBUG_14
O
ANT_SEL10
O
CM33_GPIO_EINT14
I
GPIO[23]
I/O
CONN_BGF_MCU_AICE_TM
I/O
SC
DSP_URXD0
I
I2C0_SDA
I/O
DMIC_DAT3
I
DEBUG_15
O
ANT_SEL11
O
CM33_GPIO_EINT15
www.acsip.com.tw
Default
Dir
PU/PD
GPIO 18
UART0 TX
O
PU
DMIC DAT0
UART1 Control
CA33 EINT10
GPIO 19
UART0 Control
I2C1 Data
O
PD
I2SRX LRCK
UART1 TX
CA33 EINT11
GPIO 20
UART0 Control
I2C1 clock
I
PD
I2SRX BCK
Debug signal
CA33 EINT12
GPIO 21
I
PU
DMIC DAT1
Debug signal
Antenna Select 9
CA33 EINT13
GPIO 22
I
PD
DMIC Data2
Debug signal
Antenna Select 10
CA33 EINT14
GPIO 23
I2C0 Data
I
PU
DMIC Data3
Debug signal
Antenna Select 11
CA33 EINT15
Product Name
Version
Doc No
Date
Page
Description
EK-AI7933CLD
A
912-13903
2022/04/29
20 /26
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