th7121 ETC-unknow, th7121 Datasheet - Page 9
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th7121
Manufacturer Part Number
th7121
Description
300 To 930mhz Fsk/fm/ask Transceiver
Manufacturer
ETC-unknow
Datasheet
1.TH7121.pdf
(28 pages)
Default Register Settings After Power-up
3901007121
Rev. 001
Bits
Bits
21
20
19
18
17
16
15
14
13
12
11
10
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
9
8
7
6
5
4
3
2
1
0
PA_AUTO
not used
DI_MODE
MODUL
HighCur
LOCK_MODE
Pow1
Pow0
MIXG
LNAG
TE
RE
RR9
RR8
RR7
RR6
RR5
RR4
RR3
RR2
RR1
RR0
LNAGI_E
POLAR
High2
High1
UP
NR16
NR15
NR14
NR13
NR12
NR11
NR10
NR9
NR8
NR7
NR6
NR5
NR4
NR3
NR2
NR1
NR0
symbols
symbols
A-word
C-word
Channel
Channel
868.3
868.3
MHz
MHz
‘00’
‘00’
0
0
0
0
0
1
0
0
0
0
0
1
1
0
0
0
0
0
0
1
1
1
0
1
1
1
1
1
1
1
Channel
Channel
433.92
433.92
MHz
MHz
‘01’
‘01’
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
1
1
0
1
1
0
0
1
1
0
0
0
0
0
0
1
1
1
1
0
0
0
0
Channel
Channel
915.0
915.0
MHz
MHz
‘10’
‘10’
0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
0
0
0
1
1
1
0
1
1
0
1
0
0
1
0
Channel
Channel
315.0
315.0
Page 9 of 28
MHz
MHz
‘11’
‘11’
0
0
0
0
0
1
0
0
1
0
0
1
0
0
0
0
0
0
0
0
1
0
1
1
1
1
1
1
1
0
not used
not used
EnDelPLL
LNAHYST
EnAdj
EnFM
Max2
Max1
Max0
Min2
Min1
Min0
RT9
RT8
RT7
RT6
RT5
RT4
RT3
RT2
RT1
RT0
MODUL_CTR
LD_TM1
LD_TM0
ER_TM1
ER_TM0
NT16
NT15
NT14
NT13
NT12
NT11
NT10
NT9
NT8
NT7
NT6
NT5
NT4
NT3
NT2
NT1
NT0
symbols
symbols
B-word
B-word
FSK/FM/ASK Transceiver
Channel
Channel
868.3
868.3
MHz
MHz
‘00’
‘00’
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
1
0
1
1
1
Channel
Channel
433.92
433.92
MHz
MHz
‘01’
‘01’
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
1
0
1
1
300 to 930MHz
TH7121
0
0
1
1
0
0
1
1
1
0
1
1
0
1
0
0
0
Channel
Channel
915.0
915.0
MHz
MHz
‘10’
‘10’
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
1
1
1
0
1
1
1
1
1
1
1
1
Data Sheet
Jan. 2002
Channel
Channel
315.0
315.0
MHz
MHz
‘11’
‘11’
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
1
1
0
0
0
1
1
0
0
1