Hope RF RF12B, Programming Manual, Page: 4 / 33

RF12 Program V1.1
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r2..r0: select DRSSI threshold
r2 r1 r0 RSSIsetth [dBm]
0 0 0 -103
0 0 1 -97
0 1 0 -91
0 1 1 -85
1 0 0 -79
1 0 1 -73
1 1 0 Reserved
1 0 1 Reserved
The actual DRSSI threshold is related to LNA setup:
RSSI
th
= RSSI
setth
+ G
LNA.
7
．
Data Filter Command
bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 POR
1 1 0 0 0 0 1 0 al ml 1 s 1 f2 f1 f0 C22Ch
al: Enable clock recovery auto-lock
ml: Enable clock recovery fast mode
s: select data filter type
s Filter type
0 Digital filter
1 Analog RC filter
f1..f0: Set DQD threshold
8
．
FIFO and Reset Mode Command
bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 POR
1 1 0 0 1 0 1 0 f3 f2 f1 f0 sp al ff dr CA80h
f3..f0: Set FIFO interrupt level
sp: Select the length of the synchron pattern:
sp Byte1 Byte0 (POR) Synchron Pattern (Byte1+Byte0)
0 2Dh D4h 2DD4h
1 Not used D4h D4h
al: select FIFO fill start condition
al condition
0 Sync-word
1 Always
ff: Enable FIFO fill
dr
：
Disable hi sensitivity reset mode