Product Specs

XIA MEN SIXINWEI TECHNOLOGY CO., LTD.
C-3051L V1.0
8.Pin function description：
Pin
Symb
I/O
Description
1
GND
G
GND
2
VBAT
P
Power 3.3V-4.2V
3
VIO
O
VIO O IO voltage, 3.3 V
4
VUSB
P
VUSB I Chip power supply and charge power supply, 5V
5
USBDN
I/O
P28/RX_EN/USBDN
6
USBDP
I/O
P25/TX_EN/USBDP
7
P12
I/O
P12/ADC6 or UART1 CTS or ADC6
8
P13
I/O
P13/ADC7 or UART1 RTS or ADC7
9
P34
I/O
P34/ DVP D2 or SDIO Clock
10
P35
I/O
P35/ DVP D3 or SDIO CMD
11
P36
I/O
P36/ DVP D4 or SDIO Date 0
12
P19
I/O
P19/ SDIO D1 or QSPI IO3
13
P17
I/O
P17/ SDIO D0 or SPIMISO or QSPI IO1
14
P14
I/O
P14/SDIO Clock or SPI Clock or QSPI FLASH clock
15
P16
I/O
P16/SDIO CMD or SPI MOSI or QSPI IO0
16
P15
I/O
P15/ SDIO D3 or SPI CSN or QSPI FLASH CSN
17
P18
I/O
P18/SD_D2/QSPI_IO2 or SDIO D2 or QSPI IO2
18
P24
I/O
P24/ low power clock output or PWM 4 or QSPI RAM clock
19
P26
I/O
P26/ IrDA input or PWM 5 or QSPI RAM CSN
20
P23
I/O
P23/ADC or JTAG TDO, or QSPI IO0 FLASH download data output at
download mode
21
P22
I/O
P22/CLK_26M/ JTAG TDI or QSPI IO1 FLASH download data input at
download mode
22
P21
I/O
P21/ JTAG TMS or QSPI IO2 Flash download chip enable signal at
download mode
23
P20
I/O
P20/ JTAG TCK or QSPI IO3 Flash download port clock signal at
download mode
24
VRAM
O
VDDRAM IO Power supply for external PSRAM
25
CEN
I
CEN I Chip enable, active high
26
P5
I/O
P5/ I2S DOUT or ADC2
27
P4
I/O
P4/2S DIN or ADC1
28
P3
I/O
P3/ I2S SYNC or ADC4
29
P2
I/O
P2/ I2S Clock or ADC5
30
P6
I/O
P6/13 MHz clock outputor PWM 0
31
P7
I/O
P7/Wi-Fi active outputor PWM1
32
P8
I/O
P8/ Bluetooth activeinput or PWM 2
33
P9
I/O
P9/Bluetooth priorityinput or PWM 3
34
AUDRP
O
AUDRP O
35
AUDRN
O
AUDRN O
36
VCOM
O
Common mode output
37
AUDLN
O
AUDLN O
38
AUDLP
O
AUDLP O
39
MICRN
I
Microphone input rightchannel negative
40
MICRP
I
Microphone input leftchannel positive
41
MICLN
I
Microphone input leftchannel negative