ALPHA-TRX433S
ALPHA-TRX915S
ALPHA RF TRANSCEIVER
Power Management Command
10
bit
15 14 13 12 11
0
9
1
8
0
7
6
5
er ebb et
4
3
es ex eb ew dc 8208h
2
1
0
POR
1
0
0
0
0
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
1
10
f10
9
f9
8
f8
7
f7
6
f6
5
f5
4
f4
3
f3
2
f2
1
f1
0
f0
POR
A680h
1
0
0
f11
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
15 14 13 12 11
bit
10
1
9
1
8
0
7
6
5
4
3
cs r6 r5 r4 r3 r2 r1 r0 C623h
2
1
0
POR
1
1
0
0
0
r6..r0: Set data rate:
BR=10000000/29/ R+1 / 1+cs*7
Receiver Control Command
14
bit
15
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
1
Interrupt input
VDI output
i2..i0:select baseband bandwidth
I2
0
i1
0
i0
0
Baseband Bandwidth [kHz]
reserved
400
0
0
1
0
0
1
1
1
1
0
0
0
1
0
1
340
270
200
134
1
1
1
1
0
1
67
reserved
DSALPHA-TRX-6 Feb ‘11
2009 RF Solutions Ltd.
Page 7
RFSOLUTIONS [ RFSOLUTIONS.LTD ]
