參數(shù)資料
型號: CC113LRTKT
廠商: TEXAS INSTRUMENTS INC
元件分類: 無繩電話/電話
英文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQCC20
封裝: 4 X 4 MM, GREEN, PLASTIC, VQFN-20
文件頁數(shù): 50/75頁
文件大?。?/td> 1454K
代理商: CC113LRTKT
CC113L
SWRS108A
Page 54 of 68
0x12: MDMCFG2 - Modem Configuration
Bit
Field Name
Reset
R/W
Description
7
DEM_DCFILT_OFF
0
R/W
Disable digital DC blocking filter before demodulator.
0 = Enable (better sensitivity)
1 = Disable (current optimized). Only for data rates ≤ 250 kBaud
The recommended IF frequency changes when the DC blocking is disabled.
Please use SmartRF Studio [4] to calculate correct register setting.
6:4
MOD_FORMAT[2:0]
0 (000)
R/W
The modulation format of the radio signal
Setting
Modulation format
0 (000)
2-FSK
1 (001)
GFSK
2 (010)
Reserved
3 (011)
OOK
4 (100)
4-FSK
5 (101)
Reserved
6 (110)
Reserved
7 (111)
Reserved
4-FSK modulation cannot be used together with Manchester encoding
3
MANCHESTER_EN
0
R/W
Enables Manchester decoding.
0 = Disable
1 = Enable
Manchester encoding cannot be used when using asynchronous serial
mode or 4-FSK modulation
2:0
SYNC_MODE[2:0]
2 (010)
R/W
Combined sync-word qualifier mode.
The values 0 and 4 disables preamble and sync word detection
The values 1, 2, 5, and 6 enables 16-bit sync word detection. Only 15 of 16
bits need to match when using setting 1 or 5. The values 3 and 7 enables
32-bits sync word detection (only 30 of 32 bits need to match).
Setting
Sync-word qualifier mode
0 (000)
No preamble/sync
1 (001)
15/16 sync word bits detected
2 (010)
16/16 sync word bits detected
3 (011)
30/32 sync word bits detected
4 (100)
No preamble/sync, carrier-sense above threshold
5 (101)
15/16 + carrier-sense above threshold
6 (110)
16/16 + carrier-sense above threshold
7 (111)
30/32 + carrier-sense above threshold
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