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參數(shù)資料
| 型號： | AMIS-53000 |
| 英文描述： | Frequency Agile Transceiver |
| 中文描述： | 捷變頻收發(fā)器 |
| 文件頁數(shù)： | 90/99頁 |
| 文件大?。?/td> | 2638K |
| 代理商： | AMIS-53000 |
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AMIS-53000
Frequency Agile Transceiver
Data Sheet
8.0 General System Functions
8.1 Pull up Disable
The AMIS-53000 includes built in pull-up resistors for use with the I
2
C operation to reduce the overall system component count. The
pull ups are asserted at POR until mode selection occurs. If mode is determined to be 3-wire, the pull ups are removed. If mode is
determined to be I
2
C, this option bit determines whether the pull ups are to be removed.
Table 109: I
2
C Pull Up Control
Register
Number (HEX)
Name
Bits
0X0C
General Options A
3
Disable internal pull up resistors on I
2
C bus
Function
8.2 Brown-Out POR
The brown-out POR serves two purposes. The first is to provide a POR signal to reset the digital when power is initially applied to the
part. The second is to provide a POR should the voltage on the supply drift below normal operating range to prevent a brown-out
condition.
Table 110: Power-on-Reset Start Up State
Register
Number (HEX)
Name
Bits
00 Standby
01 Idle
10 RX
11 TX
Function
0X0C
General Options A
2,1
8.3 Temperature Sensor
The temperature sensor is created by using a Darlington pair of PNP transistors. The two transistors create a 5mV/
o
C slope that can
be sensed with an analog to digital converter. Without amplification, an 8 bit ADC with a 2V reference voltage will have a resolution
better than two degrees.
The temperature sensor can be trimmed to an accuracy of 3°C. As the trim is increased, the output voltage also increases.
The temperature voltage relationship is given by:
Where V is the output voltage and T is the temperature in Celsius.
Setup registers descriptions:
ADC Temperature
- Register shows the value of the temperature sensor ADC. (See Section 6.13.1.1)
90
AMI Semiconductor
– Aug. 05, Rev. 1.0
www.amis.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AMIS53000/19608-001XT | 制造商:AMI Semiconductor 功能描述: 制造商:NTE Electronics 功能描述: |
| AMIS53000/SAMPLE | 制造商:AMI Semiconductor 功能描述: 制造商:NTE Electronics 功能描述: |
| AMIS-53000-I/A | 制造商:AMI 制造商全稱:AMI 功能描述:Frequency Agile Transceiver |
| AMIS-53000-M | 制造商:AMI 制造商全稱:AMI 功能描述:Frequency Agile Transceiver |
| AMIS-53050 | 制造商:ON Semiconductor 功能描述:WIRELESS LOW POWER TRANSC - 300-960MHZ, XTRA LOW RX PW, LQFP - Trays 制造商:ON Semiconductor 功能描述:WIRELESS LOW POWER TRANSC - 300-960MHZ, XTRA LOW RX PW, LQFP - Tape and Reel 制造商:ON Semiconductor 功能描述:WIRELESS LP TRANSC - 300-960MHZ, SPI INTERFACE:GANG XC, LQFP - Trays 制造商:ON Semiconductor 功能描述:WIRELESS LP TRANSC - 300-960MHZ, SPI INTERFACE:GANG XC, LQFP - Tape and Reel |
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