TH7121 Datasheet, PDF (9/28 Pages) List of Unclassifed Manufacturers – 300 to 930MHz FSK/FM/ASK Transceiver

TH7121
300 to 930MHz
FSK/FM/ASK Transceiver
Default Register Settings After Power-up
Channel Channel Channel Channel
Channel Channel Channel Channel
Bits
A-word
symbols
‘00’ ‘01’ ‘10’
868.3 433.92 915.0
‘11’
315.0
B-word
symbols
‘00’ ‘01’ ‘10’
868.3 433.92 915.0
‘11’
315.0
MHz MHz MHz MHz
MHz MHz MHz MHz
21 not used
0
not used
0
20 DI_MODE
0
not used
0
19 MODUL
0
EnDelPLL
1
18 HighCur
0
LNAHYST
1
17 LOCK_MODE
0
EnAdj
0
16 PA_AUTO
0
EnFM
0
15 Pow1
1
Max2
1
14 Pow0
1
Max1
1
13 MIXG
1
Max0
1
12
11
10
9
8
7
6
5
4
3
2
1
0
Bits
21
PRELIMINARY ^LNAG
TE
RE
RR9
RR8
RR7
RR6
RR5
RR4
RR3
RR2
RR1
RR0
1
Min2
0
Min1
0
Min0
0
0
0
0 RT9
0
0
0
0 RT8
0
0
0
0 RT7
0
0
0
0 RT6
0
0
0
0 RT5
1
1
1
1 RT4
0
0
1
0 RT3
0
0
1
0 RT2
0
0
1
1 RT1
0
0
0
0 RT0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
1
0
0
0
1
0
0
0
1
1
0
0
0
0
C-word
symbols
LNAGI_E
Channel
‘00’
868.3
MHz
Channel
‘01’
433.92
MHz
Channel
‘10’
915.0
MHz
0
Channel
‘11’
315.0
MHz
B-word
symbols
MODUL_CTR
Channel
‘00’
868.3
MHz
Channel
‘01’
433.92
MHz
Channel
‘10’
915.0
MHz
Channel
‘11’
315.0
MHz
0
20 POLAR
0
LD_TM1
1
19 High2
0
0
0
0
LD_TM0
0
18 High1
1
1
1
1
ER_TM1
0
17 UP
1
0
1
0
ER_TM0
0
16 NR16
0
0
0
0
NT16
0
0
0
0
15 NR15
0
0
0
0
NT15
0
0
0
0
14 NR14
0
0
0
0
NT14
0
0
0
0
13 NR13
0
0
0
0
NT13
0
0
0
0
12 NR12
0
0
0
0
NT12
0
0
0
0
11 NR11
0
0
1
0
NT11
0
0
1
0
10 NR10
1
0
1
0
NT10
1
0
1
0
9 NR9
1
1
1
1
NT9
1
1
1
1
8 NR8
1
1
0
0
NT8
1
1
0
1
7 NR7
0
1
1
1
NT7
1
1
1
0
6 NR6
1
0
1
1
NT6
0
1
1
0
5 NR5
1
1
0
1
NT5
0
0
1
0
4 NR4
1
1
1
1
NT4
1
0
1
1
3 NR3
1
0
0
1
NT3
0
1
1
1
2 NR2
1
0
0
1
NT2
1
0
1
0
1 NR1
1
1
1
1
NT1
1
1
1
0
0 NR0
1
1
0
0
NT0
1
1
1
1
3901007121
Rev. 001
Page 9 of 28
Data Sheet
Jan. 2002