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参数资料
| 型号： | TRC101 |
| 厂商： | RFM |
| 文件页数： | 27/42页 |
| 文件大小： | 0K |
| 描述： | RFIC TRANCEIVER MULTI-CHANNEL FS |
| 产品变化通告： | RFIC Obsolescence 15/Sept/2009 |
| 标准包装： | 1 |
| 系列： | TRC |
| 频率： | 300MHz ~ 1GHz |
| 数据传输率 - 最大： | 256kbps |
| 调制或协议： | FSK |
| 应用： | 通用 |
| 功率 - 输出： | 8dBm |
| 灵敏度： | -105dBm |
| 电源电压： | 2.2 V ~ 5.4 V |
| 电流 - 接收： | 17mA |
| 电流 - 传输： | 28mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 标准包装 |
| 其它名称： | 583-1093-6 |
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Data Rate Setup Register [POR=C623h]
Bit
15
1
Bit
14
1
Bit
13
0
Bit
12
0
Bit
11
0
Bit
10
1
Bit
9
1
Bit
8
0
Bit
7
PRE
Bit
6
BITR6
Bit
5
BITR5
Bit
4
BITR4
Bit
3
BITR3
Bit
2
BITR2
Bit
1
BITR1
Bit
0
BITR0
The Data Rate Setup Register configures:
?
?
?
Expected data rate for the receiver
Prescaler
Effects of the data rate on clock recovery
Bit [15..8] - Command Code : These bits are the command code that is sent serially to the processor that
identifies the bits to be written to the Data Rate Setup Register.
Bit [7] – Prescaler Enable : When set this bit enables the prescaler to obtain smaller values of expected
data rates. The prescaler value is approximately 1/8.
Bit [6..0] – Data Rate Parameter Value : These bits represent the decimal value of the 7-bit parameter
used to calculate the expected data rate. To calculate the expected data rate, use the following formula:
DR exp (kbps) = 10000 / [29 * (BITR[6..0]+1) * (1+PRE*7)]
where BITR[6..0] is the decimal value 0 to 127 and the prescaler (PRE) is ‘1’ (on) or ‘0’ (off).
To calculate the BITR[6..0] decimal value for a given bit rate, use the following formula:
BITR[6..0] = 10000 / [29 * (1+PRE*7) * DR exp ] -1
where DRexp is the expected data rate and PRE is defined above.
Without the prescaler, the definable data rates range from 2.694kpbs to 344.828kbps. With the prescaler
enabled, the definable data rates range from 337 bps to 43.103kpbs.
The Slow clock recovery mode requires more accurate bit timing when setting the data rate. To calculate
the accuracy of the data rate for both Fast and Slow mode, use the following:
Slow mode Acc = Δ BR/BR < 1/(29 * N)
Fast mode = Δ BR/BR < 3/(29 * N)
where N is the longest number of expected ones or zeros in the data stream, Δ BR is the difference in the
actual data rate vs. the set data rate in the transmitter, and BR is the expected data rate as set above
using BITR[6..0].
www.RFM.com
Email: info@rfm.com
Page 27 of 42
?by RF Monolithics, Inc.
TRC101 - 4/8/08
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