th7122 Melexis Company, th7122 Datasheet - Page 21

• Manufacturer Part Number: th7122
• Description: Transceiver - 27 To 930mhz, Fsk/fm/ask, Multi-channel Lqfp32
• Manufacturer: Melexis Company

5.1
5.1.1
Note:
A detailed description of the registers function and their configuration can be found in the following sections.
39010 07122
Rev. 008
WORD
MSB
23 22 21 20 19 18 17 16 15 14 13 12 11 10
23 22 21 20 19 18 17 16 15 14 13 12 11 10
23 22 21 20 19 18 17 16 15 14 13 12 11 10
23 22 21 20 19 18 17 16 15 14 13 12 11 10
0
0
1
1
FS1
A
B
C
D
0
0
1
1
0
1
0
1
Register Overview
Default Register Settings for FS0, FS1
d – decimal code
0
0
0
0
FS0
0
1
0
1
0
1
0
0
0
1
1
868.30 MHz
433.92 MHz
915.00 MHz
315.00 MHz
frequency
Channel
0
1
0
0
0
0
1
0
1
1
BAND
Depends on FS0/FS1 voltage level after power up
1
0
1
0
1
1
1
1
Depends on FS0/FS1 voltage level after power up
VCOCUR
1
0
[ 1 : 0 ]
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11
01
11
00
DATA
0
1
0
0
Depends on FS0/FS1 voltage level after power up
Depends on FS0/FS1 voltage level after power up
9
9
9
9
[ 9 : 0 ]
16d
32d
32d
18d
RR
8
8
8
8
7
7
7
7
FSK/FM/ASK Transceiver
6
6
6
6
[ 16 :0 ]
1919d
1894d
4047d
766d
NR
5
5
5
5
4
4
4
4
3
3
3
3
[ 9 :0 ]
16d
32d
32d
18d
RT
27 to 930MHz
2
2
2
2
TH7122
1
1
1
1
LSB
Data Sheet
0
0
0
0
[ 16 : 0 ]
1943d
1942d
4095d
793d
June/07
NT
Bit No.
default
Bit No.
default
Bit No.
default
Bit No.
default