ALPHA-TRX433S Datasheet, PDF (7/14 Pages) rfsolutions.ltd – The Alpha Modules are extremely cost effective but high performance radio modules.

ALPHA RF TRANSCEIVER
ALPHA-TRX433S
ALPHA-TRX915S
Power Management Command
bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 POR
1 0 0 0 0 0 1 0 er ebb et es ex eb ew dc 8208h
er： Enable receiver
ebb： Enable base band block
et： Enable transmitter
es： Enable synthesizer
ex： Enable crystal oscillator
eb： Enable low battery detector
ew： Enable wake-up timer
dc： Disable clock output of CLK pin
Frequency Setting Command
bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 POR
1 0 1 0 f11 f10 f9 f8 f7 f6 f5 f4 f3 f2 f1 f0 A680h
f11..f0: Set operation frequency:
433band: Fc=430+F*0.0025 MHz
868band: Fc=860+F*0.0050 MHz
915band: Fc=900+F*0.0075 MHz
Fc is carrier frequency and F is the frequency parameter. 36≤F≤3903
Data Rate Command
bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 POR
1100
0 1 1 0 cs r6 r5 r4 r3 r2 r1 r0 C623h
r6..r0: Set data rate:
BR=10000000/29/（ R+1） /（ 1+cs*7）
Receiver Control Command
bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 POR
1 0 0 1 0 P16 d1 d0 i2 i1 i0 g1 g0 r2 r1 r0 9080h
P16: select function of pin16
P16
0
Interrupt input
1
VDI output
i2..i0:select baseband bandwidth
I2 i1 i0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
Baseband Bandwidth [kHz]
reserved
400
340
270
200
134
67
reserved
DSALPHA-TRX-6 Feb ‘11
©2009 RF Solutions Ltd.
Page 7