Specifications

ManualsBrandsBest ManualsHousehold AppliancesWT32I SERIES

4. WT32 PIN DESCRIPTION

AUDIO_OUT_N_LEFT

AUDIO_OUT_P_LEFT

AUDIO_OUT_P_RIGHT

AUDIO_OUT_N_RIGHT

AGND

AUDIO_IN_N_LEFT

AUDIO_IN_P_LEFT

AGND

AUDIO_IN_N_RIGHT

AUDIO_IN_P_RIGHT

MIC_BIAS

AGND

VDD_CHG

VDD_BAT

LED0

SPI_MOSI

SPI_MISO

SPI_CLK

SPI_NCSB

PCM_CLK

PCM_SYNC

PCM_OUT

PCM_IN

PIO4

PIO5

PIO6

PIO7

PIO8

UART_NCTS

UART_NRTS

RESET

DGND

VDD_IO

UART_TXD

UART_RXD

PIO10

PIO9

USB_D+

USB_D-

PIO3

PIO2

PIO1

PIO0

AIO1

AIO0

DGND

17 31

RFTP

DGND

VREG_ENA

Figure 2: WT32 connection diagram (top view)

NOTE: VREG_ANA pin is only available with the production version of the module. With

engineering samples the VREG_ENA is internally connected to VDD_BAT.

DEVICE TERMINALS

1 VREG_ENA

2 DGND

3 DGND

4 DGND

5 AIO0

6 AIO1

7 PIO0

8 PIO1

9 PIO2

10 PIO3

11 USB_DN

12 USB_DP

13 PIO9

14 PIO10

15 RXD

16 TXD

17 VDD_IO