參數(shù)資料
型號： TRC101
廠商： RF Monolithics, Inc.
英文描述： highly integrated single chip
中文描述： 高度集成的單芯片
文件頁數(shù)： 16/33頁
文件大?。?/td> 512K
代理商： TRC101
16
Transmit Configuration Register
[POR=9800h]
Bit Bit Bit Bit Bit Bit Bit
15 14 13 12 11 10
1
0
0
1
1
0
The Transmit Configuration Register configures:
Modulation Polarity
Modulation Bandwidth
Output Transmit Power
Bit [15..9] - Command Code
: These bits are the command code that is sent serially to the processor that
identifies the bits to be written to the Transmit Configuration Register.
Bit [8] – Modulation Polarity
: When clear, a logic ‘0’ is defined as the lower channel frequency and a
logic ‘1’ as the higher channel frequency (positive deviation). When set, a logic ‘0’ is defined as the
higher channel frequency and a logic ‘1’ as the lower channel frequency (negative deviation).
Bit [7..4] – Modulation Bandwidth
: These bits set the FSK frequency deviation for transmitting a logic ‘1’
and logic ‘0’. The deviation is programmable from 15kHz to 240kHz in 15kHz steps. See Table 7 below
for deviation settings.
TABLE 7.
Modulation Bandwidth
Hex
15 kHz
0
30 kHz
1
45 kHz
2
60 kHz
3
75 kHz
4
90 kHz
5
105 kHz
6
120 kHz
7
135 kHz
8
150 kHz
9
165 kHz
A
180 kHz
B
195 kHz
C
210 kHz
D
225 kHz
E
240 kHz
F
Bit
8
Bit
7
Bit
6
Bit
5
Bit
4
Bit
3
0
Bit
2
Bit
1
Bit
0
9
0
MODP
DEV3
DEV2
DEV1
DEV0
PWR2 PWR1
PWR0
DEV3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
DEV2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
DEV1
0
0
1
1
0
0
1
1
0
0
0
1
1
0
1
1
DEV0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Bit [3] – Not used
. Write as logic ‘0’.
Bit [2..0] – Output Transmit Power
: These bits set the transmit output power. The output power is
programmable from Max to -21dB in -3dB steps. See Table 8 below for Output Power settings.
TABLE 8.
Output Power (Relative)
Max
-3dB
-6dB
-9dB
-12dB
-15dB
-18dB
-21dB
PWR2
0
0
0
0
1
1
1
1
PWR1
0
0
1
1
0
0
1
1
PWR0
0
1
0
1
0
1
0
1
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