ALPHA RF T
RANSCEIVER
Power Management Command
bit
15
1
14
0
13
0
12
0
11
0
10
0
9
1
8
0
7
er
6
ebb
5
et
4
es
3
ex
2
eb
1
ew
ALPHA-TRX433S
ALPHA-TRX915S
0
dc
POR
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
1
14
0
13
1
12
0
11
f11
10
f10
9
f9
8
f8
7
f7
6
f6
5
f5
4
f4
3
f3
2
f2
1
f1
0
f0
POR
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
1
14
1
13
0
12
0
11
0
10
1
9
1
8
0
7
cs
6
r6
5
r5
4
r4
3
r3
2
r2
1
r1
0
r0
POR
C623h
Receiver Control Command
bit
15
1
14
0
13
0
12
1
11
0
10
9
P16 d1
8
d0
7
i2
6
i1
5
i0
4
g1
3
g0
2
r2
1
r1
0
r0
POR
9080h
P16: select function of pin16
P16
0
Interrupt input
1
VDI output
i2..i0:select baseband bandwidth
I2
0
0
0
0
1
1
1
1
i1
0
0
1
1
0
0
1
1
i0
0
1
0
1
0
1
0
1
Baseband Bandwidth [kHz]
reserved
400
340
270
200
134
67
reserved
DSALPHA-TRX-6
Feb ‘11
©2009
RF Solutions Ltd.
）
r6..r0: Set data rate:
BR=10000000/29/ R+1 / 1+cs*7
（ ）
（
：
：
：
：
：
：
：
：
Page 7
RFSOLUTIONS [ RFSOLUTIONS.LTD ]
