Specifications

Shanghai Yancan Electronic Technology Co.,Ltd.
Dual Mode Bluetooth
Pin Name I/O Description
13 NC -- No connection
14 SPI2_CS IO Serial flash active-low chip select
15 P30 Input
GPIO: P30
A/D converter input 9
Peripheral UART: puart_rts
16
I2S_WS/PCM_SYNC IO PCM sync/I2S word select
P0 input
GPIO: P0
A/D converter input 29
Peripheral UART: puart_tx
SPI_1: MOSI (master and slave)
IR_RX
60Hz_main
Note: Not available during TM1 = 1.
P34 i
nput
GPIO: P34
A/D converter input 5
Quadrature: QDY0
Peripheral UART: puart_rx
External T/R switch control: tx_pd
17
I2S_CLK/PCM_CLK IO PCM/I2S clock
P2 input
GPIO: P2
Quadrature: QDX0
Peripheral UART: puart_rx
SPI_1: SPI_CS (slave only)
SPI_1: MOSI (master only)
P28(PWM2) input
GPIO: P28
Optical control output: QOC2
A/D converter input 11
LED1
Current: 16 mA sink
P37 i
nput
GPIO: P37
A/D converter input 2
Quadrature: QDZ1
SPI_1: MISO (slave only)
Auxiliary clock output: ACLK1
BSC: SCL
18 UART_CTS IO UART clear to send input
19 RESET input Reset input, active low
20 UART_RX IO UART receive data
21 UART_TX IO UART transmit data
22 P15 input
GPIO: P15
A/D converter input 20
IR_RX