參數(shù)資料
型號(hào): 1200
廠商: TEXAS INSTRUMENTS INC
元件分類: 無(wú)繩電話/電話
英文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC20
封裝: 4 X 4 MM, ROHS COMPLIANT, QLP-20
文件頁(yè)數(shù): 47/70頁(yè)
文件大?。?/td> 841K
代理商: 1200
Chipcon
SmartRF CC1100
Chipcon AS
SmartRF
CC1100 Preliminary Data Sheet (rev. 1.0) 2005-04-25
Page 51 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.
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)
-
3 (011)
ASK/OOK
4 (100)
-
5 (101)
-
6 (110)
-
7 (111)
MSK
3
MANCHESTER_EN
0
R/W
Enables Manchester encoding/decoding.
2:0
SYNC_MODE[2:0]
2 (010)
R/W
Combined sync-word qualifier mode.
The values 0 (000) and 4 (100) disables sync word
transmission in TX and sync word detection in RX.
The values 1 (001), 2 (001), 5 (101) and 6 (110)
enables 16-bit sync word transmission in TX and 16-
bits sync word detection in RX. Only 15 of 16 bits
need to match in RX when using setting 1 (001) or 5
(101). The values 3 (011) and 7 (111) enables
repeated sync word transmission in RX and 32-bits
sync word detection in RX (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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