参数资料
型号: DR-TRC105-450-EV
厂商: RFM
文件页数: 38/67页
文件大小: 0K
描述: BOARD EVALUATION 450MHZ RFM RFIC
标准包装: 1
类型: 收发器
频率: 447MHz ~ 451MHz
适用于相关产品: TRC105
已供物品: 2 个板,天线,电池
4.4 Start Pattern Configuration Registers (SYNCFG)
0x16 - SYNCFG16 [default 0x00]
Name
Sync_Pat3
Bits
7..0
R/W
r/w
Description
Start pattern most significant byte. This byte is sent first if one or more start pattern bytes are used.
Default: 00000000b
Table 37
0x17 - SYNCFG17 [default 0x00]
Name
Sync_Pat2
Bits
7..0
R/W
r/w
Description
Start pattern byte. This byte is sent second if two or more start pattern bytes are used.
Default: 00000000b
Table 38
0x18 - SYNCFG18 [default 0x00]
Name
Sync_Pat1
Bits
7..0
R/W
r/w
Description
Start pattern byte. This byte is sent third if three or more start pattern bytes are used.
Default: 00000000b
Table 39
0x19 - SYNCFG19 [default 0x00]
Name
Sync_Pat0
Bits
7..0
R/W
r/w
Description
Start pattern least significant byte. This byte is sent last if four start pattern bytes are used.
Default: 00000000b
Table 40
4.5 Transmitter Configuration Registers (TXCFG)
0x1A - TXCFG1A [default 0x70h]
Name
Bits
R/W
Description
Transmitter anti-aliasing filter cutoff frequency:
TxInterpfilt
7,6,5,4
r/w
F CTX = 200*(F XTAL /12800)*((K + 1)/8), where F CTX is the 3 dB bandwidth of the transmitter anti-aliasing
filters in kHz, F XTAL is the crystal frequency in kHz, and K is the integer value of TxInterpfilt,.
TxInterpfilt default = 0111b, F CTX = 200 kHz
Transmitter output power (approx 3 dB steps):
000 → 13 dBm
001 → 10 dBm
010 → 7 dBm
Pout
3,2,1
r/w
011 → 4 dBm
100 → 1 dBm
101 → -2 dBm
110 → -5 dBm
111→ -8 dBm
-
0
Not used
Table 41
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Page 38 of 67
TRC105 - 05/29/13
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