Specifications

CPU

ARM926EJ-S

Up to 280MHz

Power

Management Unit

（PMU）

Battery Charger

Power On/Off

LDO33 and BUCK11

Bluetooth

Bluetooth dual-mode solution

Compatible with V5.0/V4.2/V4.0/V2.1+EDR

Power Control and Enhanced Power Control

Low Power Mode（Sniff / Sniff Sub-rating etc. ）

Audio Codec

two DAC and two ADC

Supports 8KHz/9.6KHz/11.025KHz/12KHz/16KHz/22.05KHz/24KHz/32KHz/44.1KHz/48KHz Sampling Rate

Supports multiple audio coding/decoding formats

Audio 3A function (AEC, AGC and ANR)

Peripherals

MMC/SD

SPI

TWI

I2S

UART

GPIO

PWM

Memory

On-chip RAM and ROM

Embedded 4Mbit/8Mbits/16Mbits SPI Flash

Package

QFN48,6mm x 6mm x 0.85mm

QFN32,4mm x 6mm x 0.85mm