CMT2380F32
Table of Contents
1Electrical Specifications..................................................................................................................... 7
1.1 Recommended Operating Conditions ................................................................................................................7
1.2 Absolute Maximum Ratings................................................................................................................................ 7
1.3 RF Power Consumption.....................................................................................................................................8
1.4 Receiver.............................................................................................................................................................9
1.5 Transmitter....................................................................................................................................................... 11
1.6 RF Operating Mode Switching Time................................................................................................................. 12
1.7 RF Frequency Synthesizer............................................................................................................................... 12
1.8 Requirement on Crystals for RF Section.......................................................................................................... 13
1.9 Controller Output Features............................................................................................................................... 13
1.10 Controller Input Features（P0, P1, P2 and P3 Reset)..................................................................................... 14
1.11 Port External Input Sampling Requirements (Timer Gate/Timer Clock)........................................................... 14
1.12 Port Leakage Features (P0, P1, P2 and P3).................................................................................................... 15
1.13 Controller Power Consumption Features ......................................................................................................... 15
1.14 POR/BOR Features.......................................................................................................................................... 18
1.15 Controller External XTH Oscillator.................................................................................................................... 18
1.16 Controller External 32.768 kHz Oscillator......................................................................................................... 19
1.17 Controller Internal RCH Oscillator.................................................................................................................... 19
1.18 Controller Internal RCL Oscillator..................................................................................................................... 20
1.19 Controller Flash Features................................................................................................................................. 20
1.20 Controller Low Power Mode Recover Time...................................................................................................... 20
1.21 Controller ADC Features.................................................................................................................................. 21
1.22 Analog Voltage Comparator............................................................................................................................. 23
1.23 Low Battery Detection Features....................................................................................................................... 25
1.24 Receive Current and Supply Voltage Correlation............................................................................................. 27
1.25 Correlation Among Receive Current, Supply Voltage and Temperature.......................................................... 27
1.26 Receive Sensitivity and Supply Voltage Correlation......................................................................................... 28
1.27 Receive Sensitivity and Temperature Correlation ............................................................................................ 29
1.28 Transmit Power and Supply Voltage Correlation.............................................................................................. 29
1.29 Phase Noise..................................................................................................................................................... 30
2Pin Description.................................................................................................................................. 31
3Chip Structure.................................................................................................................................... 37
4Sub-GHz Transceiver........................................................................................................................ 39
4.1 Transmitter....................................................................................................................................................... 39
4.2 Receiver........................................................................................................................................................... 39
4.3 Transceiver Power-on Reset (POR)................................................................................................................. 39
4.4 Transceiver Crystal Oscillator........................................................................................................................... 40
4.5 Transceiver Built-in Low Frequency Oscillator (LPOSC).................................................................................. 41
4.6 Transceiver Built-in Low Battery Detection....................................................................................................... 41
4.7 Receiver Signal Strength Indication (RSSI)...................................................................................................... 41
4.8 Phase Jump Detector (PJD)............................................................................................................................. 42
4.9 Receiver Clock Data Recovery (CDR) ............................................................................................................. 42
