A7159
Sub1GHz FSK/GFSK Transceiver
May, 2019, Version 0.8 (Preliminary) AMICCOM Electronics Corporation
10.3 Control register access ...................................................................................................................................... 38
10.4 SPI Timing Specification .................................................................................................................................... 38
10.5 Reset Command ................................................................................................................................................ 39
10.6 Reset TX FIFO Pointer ...................................................................................................................................... 39
10.7 Reset Rx FIFO Pointer ...................................................................................................................................... 39
10.8 ID Read/Write Command ................................................................................................................................... 39
10.9 FIFO R/W Command ......................................................................................................................................... 40
11. Crystal Oscillator ......................................................................................................................................................... 41
11.1 Use External Crystal .......................................................................................................................................... 41
11.2 Use External Clock ............................................................................................................................................ 41
12. System Clock .............................................................................................................................................................. 42
12.1 Clock Domain .................................................................................................................................................... 42
12.2 System Clock and IF Filter ................................................................................................................................. 43
12.3 Example of 10Kbps data rate by 12.8MHz Xtal ................................................................................................. 43
12.4 Example of special data rate by 19.6608MHz Xtal. ........................................................................................... 44
13. Tranceiver Frequency ................................................................................................................................................. 46
14. State machine ............................................................................................................................................................. 48
14.1 Key Strobe Commands ...................................................................................................................................... 48
14.2 FIFO mode......................................................................................................................................................... 48
14.3 Direct mode ....................................................................................................................................................... 50
15. Calibration ................................................................................................................................................................... 52
15.1 IF Calibration Process ....................................................................................................................................... 52
15.2. VCO band Calibration Process ......................................................................................................................... 52
16. FIFO (First In First Out) ............................................................................................................................................... 53
16.1 Packet Format ................................................................................................................................................... 53
16.2 Bit Stream Process ............................................................................................................................................ 53
16.3 Transmission Time ............................................................................................................................................ 54
16.4 Usage of TX and RX FIFO ................................................................................................................................. 54
16.4.1 Easy FIFO Mode ..................................................................................................................................... 55
16.4.2 Segment FIFO ......................................................................................................................................... 55
16.4.3 FIFO Extension ........................................................................................................................................ 57
17. CCM* Security Mode .................................................................................................................................................. 61
CCM 1 (Address: 09h) (PB8) .............................................................................................................................. 61
CCM 2 (Address: 09h) (PB9) .............................................................................................................................. 61
CCM 3 (Address: 09h) (PB10) ............................................................................................................................ 61
CCM 4 (Address: 09h) (PB11) ............................................................................................................................ 61
CCM 5 (Address: 09h) (PB12) ............................................................................................................................ 62
17.1 CCM* TX Operation ........................................................................................................................................... 62
17.2 CCM* RX Operation .......................................................................................................................................... 63
18. Analog Digital Converter ............................................................................................................................................. 64
18.1 Temperature Measurement ............................................................................................................................... 64
18.2 RSSI Measurement ........................................................................................................................................... 64
18.3 Carrier detect ..................................................................................................................................................... 64
19. RC Oscillator ............................................................................................................................................................... 65
19.1 WOT Function .................................................................................................................................................... 65
19.2 WOR Function ................................................................................................................................................... 66
19.3 TWOR Function ................................................................................................................................................. 67
20. Battery Detect ............................................................................................................................................................. 68
21. TX power setting ......................................................................................................................................................... 69
22. Low Current RX mode setting ..................................................................................................................................... 70
23. Application Circuit ....................................................................................................................................................... 71
23.1 MD7159-A40 (433MHz Band)............................................................................................................................ 71
23.2 MD7159-A50 (490MHz Band)............................................................................................................................ 72
23.3 MD7159-A80 (868MHz Band)............................................................................................................................ 73
23.4 MD7159-A90 (915MHz Band)............................................................................................................................ 74
24. Abbreviations .............................................................................................................................................................. 75
25. Ordering Information ................................................................................................................................................... 76
26. Package Information ................................................................................................................................................... 77
27. Top Marking Information ............................................................................................................................................. 78
28. Reflow Profile .............................................................................................................................................................. 79
29. Tape Reel Information ................................................................................................................................................ 80
30. Product Status ............................................................................................................................................................ 81
