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PRODUCT USER GUIDE
IO Name
CR Value Default*
0000
0001 *
0010
0011
GPIO_R_0
0100
0101
0110
0111
0000
0001 *
0010
0011
GPIO_R_1
0100
0101
0110
0111
0000
0001 *
0010
0011
GPIO_R_2
0100
0101
0110
0111
0000
0001 *
0010
0011
GPIO_R_3
0100
0101
0110
0111
0000
0001 *
0010
0011
GPIO_R_4
0100
0101
0110
0111
0000
0001 *
0010
0011
GPIO_R_5
0100
0101
0110
0111
Name
Dir
I/O
GPIO[29]
I
DSP_URXD0
O
ADSP_JTAG_TDO
O
PWM_0
I/O
PTA_EXT_IF_PRI
O
CONN_WF_MCU_TDO
I
CM33_RSVD1
I
CM33_GPIO_EINT21
I/O
GPIO[30]
O
DSP_UTXD0
I
ADSP_JTAG_TCK
O
PWM_1
O
PTA_EXT_IF_WLAN_ACT
I
CONN_WF_MCU_TCK
I/O
CM33_RSVD3
I
CM33_GPIO_EINT22
I/O
GPIO[31]
O
USB_DRV_VBUS
I
ADSP_JTAG_TRST
O
PWM_2
I
PTA_EXT_IF_FREQ
I
CONN_WF_MCU_TDI
I
CM33_RSVD0
I
CM33_GPIO_EINT23
I/O
GPIO[32]
I
USB_OC
I
ADSP_JTAG_TDI
O
PWM_3
I
PTA_EXT_IF_ACT
I
CONN_WF_MCU_TRSR_B
I
CM33_RSVD2
I
CM33_GPIO_EINT24
I/O
GPIO[33]
I
USB_VBUS_VALID
I
ADSP_JTAG_TMS
O
PWM_4
I
I2C1_SDA
I
CONN_WF_MCU_TMS
O
CM33_RSVD4
I
CM33_GPIO_EINT25
I/O
GPIO[34]
I
USB_IDDIG
I
I2C0_SCL
O
PWM_5
I
I2C1_SCL
I
EXT_CK
O
DEBUG_0
I
CM33_GPIO_EINT26
www.acsip.com.tw
Default
Dir
PU/PD
GPIO29
DSP JTAG
PWM0
I
PU
CA33 EINT21
GPIO 30
DSP JTAG
PWM 1
O
PD
CA33 EINT22
GPIO 31
USB Host mode VBUS driving
DSP JTAG
PWM2
O
PD
CA33 EINT23
GPIO 32
USB Host mode over-current
input notify
DSP JTAG
PWM3
I
PD
CA33 EINT24
GPIO 33
USB device mode VBUS detect
DSP JTAG
PWM 4
I
PD
I2C1 Data
CA33 EINT25
GPIO 34
USB OTG ID pin
I2C0 clock
PWM 5
I
PU
I2C1 clock
Debug signal
CA33 EINT26
Product Name
Version
Doc No
Date
Page
Description
EK-AI7933CLD
A
912-13903
2022/04/29
22 /26
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