Product Specs

维霖通(上海)通信技术有限公司
Wi-linktechCommunicationTechnologies(Shanghai)Co.,Ltd
3.3 Pin definition
Pin #
Name
Type
Description
1
UART_TX
I/O
UART_TXD/I2C_SCL, Download port
2
UART_RX
I/O
UART_RXD/I2C_SDA, Download port
3
GND
POWER
Ground
4
LINEIN_L
I
Line in L
5
LINEIN_R
I
Line in R
6
P15
I/O
SPI_SCK/ADC2/CLKOUT
Soft shut down and wake up (active high)
7
NC
8
SD_CMD
I/O
JTAG_TMS/PWM3/PCM_CLK/SD_CMD/SPI2_MOSI
9
SD_CLK
I/O
JTAG_TCK/PWM2/ADC4/PCM_SYNC/SD_CLK/SPI2_SCK
10
SD_DAT
I/O
JTAG_TDI/PWM4/ADC6/PCM_DIN/SD_DATA0/SPI2_MISO
11
RESET
-
External reset input, active low
12
VDD
POWER
Battery power supply
13
GND
POWER
Ground
14
VCC5USB
POWER
USB charge power input
15
USBDN
I/O
PWM1 / USBN
16
USBDP
I/O
PWM0 / USBP
17
AUDRP
O
Audio right channel positive
18
AUDRN
O
Audio right channel negative
19
AUDLN
O
Audio left channel negative
20
AUDLP
O
Audio left channel positive
21
MICREF
POWER
Microphone reference voltage
22
MICRN
I
Microphone input negative
23
MICRP
I
Microphone input positive
24
GPIO14
I/O
Digital input and output
25
ANT
-
External ANT PIN
26
GND
POWER
Ground
table 6. WLT3266Pin definition
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