RFM67W Datasheet, PDF (22/37 Pages) List of Unclassifed Manufacturers – ISM TRANSMITTER MODULE

Table 12 RFM67W SPI Register Description
Addr. Register Name Default Bits Variable Name
0x00 Mode
0x10
7-
6:4 mode(2:0)
3:2 modul_type(1:0)
1:0 data_shaping(1:0)
0x01 BrMsb
0x02 BrLsb
0x1A 7:0 br_ratio(15:8)
0x0B _7:0 br_ratio(7:0)
RFM 67W
Mode
Description
rw unused
rw Operating mode:
000 sleep mode (SLEEP)
001 stand-by mode (STDBY)
010 frequency synthesizer mode (FS)
011 transmit mode (TX)
others reserved
Read value is always chip actual mode
rw Modulation type:
00 FSK
01 OOK
Others reserved
rw Data shaping:
In FSK:
00 no shaping
01 Gaussian filter with BT = 1.0
10 Gaussian filter with BT = 0.5
11 Gaussian filter with BT = 0.3
In OOK:
00 no shaping
01 filtering with fcutoff = bit rate
10 filtering with fcutoff = 2 * bit rate
(BR <= 32 kb/s)
11 reserved
rw Bit rate MSB (chip rate if Manchester encoding)
rw Bit rate LSB (chip rate if Manchester encoding)
0x03 FdevMsb
0x04 FdevLsb
0x00
0x52
7:6 -
5:0 fdev_coeff(13:8)
7:0 fdev_coeff(7:0)
Default value is 0x1A0B = 4.8 kbps
- unused
rw Deviation frequency MSB
rw Deviation Frequency LSB
0x05
0x06
FrfMsb
FrfMid
0xE4
0xC0
7:0 freq_rf(23:16)
7:0 freq_rf(15:8)
Default = 0x0052 = 82, gives 5 kHz
rw RF carrier frequency MSB
rw RF carrier centre bits
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