User's Manual

Our

Focus, Your Legend

BB2707-25 EDR/BLE Module

Iton Technology Corp . www.sziton.com

A/D converter

input 6

Quadrature: QDX1

SPI_1: MOSI (slave only)

Auxiliary clock output: ACLK1

Peripheral UART: puart_rx

21 GPIO_1 I/O VDDO General-purpose I/O7: can also be configured as a

GCI pin.

I/O VDDO GPIO: P30

A/D converter input 9

Peripheral UART: puart_rts

22 GPIO_2 I/O VDDO General-purpose I/O6: can also be configured as a

GCI pin.

I/O VDDO GPIO: P11

Keyboard scan output (column): KSO3

A/D converter input 24

I/O VDDO GPIO: P26

SPI_1: SPI_CS (slave only)

Optical control output: QOC0

Triac control 1

Current: 16 mA sink

23 GPIO_3 I/O VDDO General-purpose I/O5: can also be configured as a

GCI pin.

Debug UART

I/O VDDO GPIO: P15

A/D converter input 20

IR_RX

60Hz_main

24 VCC I N/A VCC

25 GND N/A Ground