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