1 TX and 1RX, 

PLL, HPF*2, LPF*1, Programmable Gain Amplifier, Single Ended Output, Stand by mode, DC-offset Calibration, Programable Clock Counter for VCO

1TX and 2RX,

PLL, HPF*2, LPF*1, Programmable Gain Amplifier, Single Ended Output, Stand by mode, DC-offset Calibration, Programable Clock Counter for VCO

CPU Frequency 200MHz, SRAM 64KB, Flash 128KB, I2C * 2, UART*3, SDIO*1, CAN*2, 12bit ADC*2, GPIO*39 

QFN48 package