Table of Contents
1Electrical Characteristic ......................................................................................................................8
1.1 Recommended Operation Condition......................................................................................................................8
1.2 Absolute Maximum Rating.....................................................................................................................................8
1.3 Power Consumption ..............................................................................................................................................9
1.4 RF Receiver Specification .....................................................................................................................................9
1.5 RF Transmitter Specification................................................................................................................................11
1.6 Settling Time of RF Status Switching...................................................................................................................11
1.7 RF Frequency Synthesizer ..................................................................................................................................12
1.8 Crystal Oscillator Specification ............................................................................................................................13
1.9 Controller Reset and Power Control Module Specification .................................................................................13
1.10 Controller Embedded Reference Voltage............................................................................................................13
1.11 Controller Working Current Characteristic ...........................................................................................................14
1.12 External Clock Source Charateristic....................................................................................................................16
1.13 Controller internal clock source characteristics...................................................................................................20
1.14 Controller low-power mode wake-up time...........................................................................................................20
1.15 PLL characteristics..............................................................................................................................................21
1.16 FLASH characteristics.........................................................................................................................................21
1.17 I/O port characteristic...........................................................................................................................................22
1.18 MCU_NRST Pin Characteristics .........................................................................................................................23
1.19 TIM characteristic ................................................................................................................................................24
1.20 I2C Characteristic................................................................................................................................................24
1.21 SPI/I2S Characteristic..........................................................................................................................................26
1.22 ADC Characteristic..............................................................................................................................................30
1.23 Operational Amplifier（OPAMP）Characteritic...................................................................................................31
1.24 COMP Characteristic...........................................................................................................................................32
1.25 Temperature Sensor(TS) Characteristics............................................................................................................33
1.26 Rx Current VS. Supply Voltage...........................................................................................................................33
1.27 Rx Current/Voltage vs. Temperature...................................................................................................................34
1.28 Sensitivity vs. Supply Voltage..............................................................................................................................35
1.29 Sensitivity vs. Tmeperature .................................................................................................................................35
1.30 Tx Power vs. Supply Voltage...............................................................................................................................36
1.31 Tx Phase Noise ...................................................................................................................................................37
2Pin Description...................................................................................................................................38
3Chip Frame..........................................................................................................................................46
4Sub-G Transceiver..............................................................................................................................47
4.1 Transmitter...........................................................................................................................................................47
4.2 Receiver ..............................................................................................................................................................48
4.3 Power-on Reset (POR)........................................................................................................................................48
4.4 Crystal Oscillator..................................................................................................................................................49
4.5 Low power frequency oscillator（LPOSC）........................................................................................................49
4.6Internal Low Power Detection..............................................................................................................................49
4.7 Received Signal Strength Indicator（RSSI）......................................................................................................49
4.8 Phase Jump Detector（PJD）............................................................................................................................50
4.9 Clock Data Recovery（CDR）............................................................................................................................51
4.10 Fast Frequncy Hopping .......................................................................................................................................51
4.11 Chip Operation.....................................................................................................................................................51
4.11.1 SPI Interface..........................................................................................................................................51
4.11.2 FIFO Interface .......................................................................................................................................52
4.11.3 Transceiver working status,timing and power consumption...................................................................54
4.11.4 GPIO Function and Interrupt Mapping...................................................................................................57
5Function Description .........................................................................................................................60
5.1 Memory................................................................................................................................................................60
5.1.1 Embedded flash memory.......................................................................................................................60
5.1.2 Embedded SRAM..................................................................................................................................60
5.1.3 Nested vectored interrupt controller（NVIC）.......................................................................................61
5.2 Extended interrupt/ event controller（EXTI）......................................................................................................61
5.3 Clock System.......................................................................................................................................................61
5.4 Boot Modes..........................................................................................................................................................62
5.5 Power supply scheme..........................................................................................................................................62
5.6 Programmable voltage monitor............................................................................................................................63
