... various application, USB V1.1, UART, SPI, and PCMThe PCM interface port can be configured as PCM, SPDIF and I2S for ... customer usedMeanwhile, PIO(8:6) also can be formed I2C interface for relatively slow functions such as driving LCD, keyboard, and ... -EXT + PA + Balun + Filter + X’Tal. + PCB antennaWireless communications module conforming to Bluetooth version 2.1 + EDR, class I. UART, USB, PCM ...