A7139
FSK/GFSK Sub 1GHz Transceiver
Oct., 2016, Version 2.1 AMICCOM Electronics Corporation
Table of contents
1. General Description ........................................................................................................................................................ 4
2. Typical Applications ........................................................................................................................................................ 4
3. Features .......................................................................................................................................................................... 4
4. Pin Configurations........................................................................................................................................................... 5
5. Pin Descriptions (I: input; O: output, I/O: input or output) ................................................................................................ 6
6. Chip Block Diagram ........................................................................................................................................................ 7
7. Absolute Maximum Ratings ............................................................................................................................................ 7
8. Electronics Specification ................................................................................................................................................. 8
9. Control Register ............................................................................................................................................................ 11
9.1 Control Register Table ......................................................................................................................................... 11
9.2 Control Register Description ................................................................................................................................ 12
9.2.1 System clock (Address: 00h) ..................................................................................................................... 12
9.2.2 PLL I (Address: 01h) .................................................................................................................................. 12
9.2.3 PLL II (Address: 02h) ................................................................................................................................. 13
9.2.4 PLL III (Address: 03h) ................................................................................................................................ 13
9.2.5 PLL IV (Address: 04h) ............................................................................................................................... 13
9.2.6 PLL V (Address: 05h) ................................................................................................................................ 14
9.2.7 PLL VI (Address: 06h) ............................................................................................................................... 14
9.2.8 Crystal (Address: 07h) ............................................................................................................................... 14
9.2.9 TX I (Address: 08h) Page 0 ....................................................................................................................... 15
9.2.10 TX II (Address: 09h) Page 0 .................................................................................................................... 23
9.2.11 RX I (Address: 0Ah) ................................................................................................................................. 26
9.2.12 RX II (Address: 0Bh) ................................................................................................................................ 27
9.2.13 ADC (Address: 0Ch) ................................................................................................................................ 27
9.2.14 Pin Control (Address: 0Dh) ...................................................................................................................... 28
9.2.15 Calibration (Address: 0Eh) ....................................................................................................................... 29
9.2.16 Mode Control (Address: 0Fh) .................................................................................................................. 29
10. SPI (3-wire) ................................................................................................................................................................. 31
10.1 SPI Format......................................................................................................................................................... 31
10.2 SPI Timing Chart ............................................................................................................................................... 32
10.3 Control register access ...................................................................................................................................... 32
10.4 SPI Timing Specification .................................................................................................................................... 32
10.5 Reset Command ................................................................................................................................................ 33
10.6 Reset TX FIFO Pointer ...................................................................................................................................... 33
10.7 Reset Rx FIFO Pointer ...................................................................................................................................... 33
10.8 ID Read/Write Command ................................................................................................................................... 33
10.9 FIFO R/W Command ......................................................................................................................................... 34
11. Crystal Oscillator ......................................................................................................................................................... 35
11.1 Use External Crystal .......................................................................................................................................... 35
11.2 Use External Clock ............................................................................................................................................ 35
12. System Clock .............................................................................................................................................................. 36
12.1 Clock Domain .................................................................................................................................................... 36
12.2 System Clock and IF Filter ................................................................................................................................. 37
12.3 Example of 10Kbps data rate by 12.8MHz Xtal ................................................................................................. 37
12.4 Example of special data rate by 19.6608MHz Xtal. ........................................................................................... 38
13. Tranceiver Frequency ................................................................................................................................................. 40
14. State machine ............................................................................................................................................................. 41
14.1 Key Strobe Commands ...................................................................................................................................... 41
14.2 FIFO mode......................................................................................................................................................... 41
14.3 Direct mode ....................................................................................................................................................... 42
15. Calibration ................................................................................................................................................................... 45
15.1 IF Calibration Process ....................................................................................................................................... 45
15.2. VCO band Calibration Process ......................................................................................................................... 45
16. FIFO (First In First Out) ............................................................................................................................................... 46
16.1 Packet Format ................................................................................................................................................... 46
16.2 Bit Stream Process ............................................................................................................................................ 46
16.3 Transmission Time ............................................................................................................................................ 47
16.4 Usage of TX and RX FIFO ................................................................................................................................. 47
16.4.1 Easy FIFO Mode ..................................................................................................................................... 48
16.4.2 Segment FIFO ......................................................................................................................................... 48
16.4.3 FIFO Extension ........................................................................................................................................ 50
16.4.3.1 FIFO Extension with maximum 16K bytes length ................................................................................. 50
16.4.3.2 FIFO Extension with infinite length ....................................................................................................... 53
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