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參數(shù)資料
| 型號(hào)： | TXC102 |
| 廠商： | RF Monolithics, Inc. |
| 英文描述： | Multi-channel High tae rate Programmable |
| 中文描述： | 多通道可編程率高泰 |
| 文件頁(yè)數(shù)： | 26/30頁(yè) |
| 文件大?。?/td> | 339K |
| 代理商： | TXC102 |
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26
Power Management Register
[POR=C000h]
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
1
0
0
0
0
0
0
TX1
TX0
OSCEN
SYNEN
PAEN
LBDEN
WKUPEN
CLKEN
The Power Management Register enables/disables the following:
Transmit Chain
PLL
Power Amplifier
Synthesizer
Crystal Oscillator
Low battery Detect Circuit
Wake-up Timer
Clock Output
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 Power Management register.
Bit [7..6] –
Transmit Chain Automatic Enable:
These bits enable the entire transmit chain when set. When TX1 is set, the
oscillator and synthesizer turn-on are controlled by the chip. When the
Data Transmit Command
is issued, the oscillator
is enabled. As soon as a stable frequency is reached the synthesizer is enabled. When TX0 is set, this turns on the
power amplifier after the PLL has successfully achieved lock.
Bit [5] –
Crystal Oscillator Enable:
This bit enables the oscillator circuit when set. The oscillator provides the reference signal for
the synthesizer when setting the transmit frequency of use.
Bit [4] –
Synthesizer Enable:
This bit enables the synthesizer when set. The synthesizer contains the PLL, oscillator, and VCO for
controlling the channel frequency. This must be enabled when the transmitter is enabled. The oscillator also must be
enabled to provide the reference frequency for the PLL. On power-up the synthesizer performs a calibration automatically.
If there are significant changes in voltage or temperature, recalibration can be performed by simply disabling the synthesizer
and re-enabling it.
Bit [3] –
Power Amplifier Enable:
This bit enables the power amplifier when set. The power amplifier may be manually enabled
from other functions.
Bit [2] –
Low Battery Detector:
This bit enables the battery voltage detect circuit when set. The battery detector can be
programmed to 32 different threshold levels. See
Battery Detect Threshold and Clock Output Register
section for
programming.
Bit [1] –
Wake-up Timer Enable:
This bit enables the wake-up timer when set. See
Wake-up Timer Period Register
section for
programming the wake-up timer interval value.
Bit [0] –
Clock Output Disable:
This bit disables the oscillator clock output when set. On chip reset or power up, clock output is on
so that a processor may begin execution of any special setup sequences as required by the designer. See
Battery Detect
Threshold and Clock Output Register
section for programming details.
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