RFM73 Datasheet, PDF (21/27 Pages) List of Unclassifed Manufacturers – Low Power High Performance 2.4 GHz GFSK Transceiver

RFM73 V2.0
7.2 Register Bank 1
Address
Reset
(Hex)
Mnemonic Bit Value Type
Description
00
31:0
0
W
Must write with 0x404B01E2
01
31:0
0
W
Must write with 0xC04B0000
02
31:0
0
W
Must write with 0xD0FC8C02
0x
03
31:0 03001200 W
Must write with 0x99003941
Must write with 0xD99E860B
04
31:0
0
W
For single carrier mode:0xD99E8621
Sensitivity in RX mode
0: Normal mode
1: High sensitivity mode(different CD
RX_SEN
21
0
W
detection values)
RF output power in TX mode:
0:Low power(-30dB down)
TX_PWR
20
1
W
1:Normal power
Must write with 0x24067FA6(Disable
05
31:0
0
W
RSSI)
RSS I Threshold for CD detect
1Mbps/250Kbps:-91dBm
RSSI_TH
29:26
1001 W
2Mbps:-84dBm
RSSI measurement:
0:Enable
RSSI_EN
18
0
W
1:Disable
06
31:0
0
W
Reserved
07
31:0
0
W
Reserved
Register bank selection states. Switch
register bank is done by SPI command
“ACTIVATE” followed by 0x53
0: Register bank 0
RBANK
7
R
1: Register bank 1
Chip ID:
08
Chip ID
31:0
0
R
0x00000063(RFM73)
09
0
Reserved
0A
0
Reserved
0B
0
Reserved
Please initialize with 0x05731200
0C
31:0
0
W
For 120us mode:0x00731200
26:24
101
PLL Settling time:
101:130us
000:120us
9
1
Compatible mode:
0:Static compatible
1:Dynamic compatible
0D
NEW_FEATURE 31:0
0
Please initialize with 0x0080B436
0E
RAMP
87:0
NA
W
Ramp curve
Please write with
0xFFEF7DF208082082041041
Note: Don’t write reserved registers and no definition registers in register bank 1
Table 5 Register Bank 1
Page 21 of 27
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