1Product Overview 6
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6
1.2 Features
CPU and Flexible IO
32bit High performance CPU with DSP
instruction
Flexible GPIO pins with Programmable pull-up and
pull-down resistors;
Support GPIO wakeup or interrupt;
Bluetooth Radio
Compliant to Bluetooth 5.0 and BLE
specification (QDID: 115952);
TX output power +2db in typical;
RX Sensitivity with -90.5dBm @Basic Rate;
FM Tuner
Support frequency band 76~108MHz;
Auto search tuning;
Programable de-emphasis(50/75uS);
Receive signal strength indicator (RSSI);
Audio Interface
Audio codec with 16bit stereo DAC and two
channel 16bit ADC;
Support flexible audio EQ adjust;
Support Sample rate 8, 11.025, 12, 16, 22.05, 32,
44.1 and 48KHz;
4 channel Stereo Analog MUX;
Two channel MIC amplifier input;
High performance Stereo audio ADC with 90dB
SNR;
High performance Stereo audio DAC with 95dB
SNR, with headphone amplifier output;
Peripheral and Interfaces
Three 32-bit timers;
Three multi-function 32-bit timers, support
Capture and PWM mode;
WatchDog;
Three full-duplex UART;
Two SPI;
IR controller;
SD Card Host controller;
SPDIF receiver;
Audio interface IIS;
Full speed USB 2.0 HOST/DEVICE controller;
Sixteen Channels 10-bit SARADC;
Integrate IRTC;
Build in PMU, such as charger/buck/LDO;
Package
LQFP48;
SSOP28L;
SSOP24L;
TSSOP24;
TSSOP20;
SOP16;
Temperature
Operating temperature: -40℃ to +85℃;
Storage temperature: -65℃ to +150℃;