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參數(shù)資料
| 型號(hào)： | AMIS-52000 |
| 英文描述： | Single-Chip Radio Transceiver |
| 中文描述： | 單芯片無(wú)線電收發(fā)器 |
| 文件頁(yè)數(shù)： | 15/15頁(yè) |
| 文件大?。?/td> | 492K |
| 代理商： | AMIS-52000 |
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AMIS-52000 Single-Chip Radio Transceiver
Data Sheet
Sniff Signal Acquisition
The AMIS-52000 is designed with a very low power mode.
This mode shuts down the RF sections and CLKOUT
circuitry. This mode has the RC oscillator and wake up
divider circuits still running.
To take full advantage of the low power state, the AMIS-
52000 has a Sniff Mode. In this mode, the AMIS-52000 will
periodically wake the receiver to look for incoming RF
energy. When the AMIS-52000 detects RF energy, it will
start the receive mode, while setting the I
I
up was generated by received signal. The minimum power
use by the AMIS-52000 can be achieved by using the Sniff
Mode to detect an incoming signal, while using the QUICK
START function to start the crystal oscillator in a minimum
time.
CDATA and
CCLK lines to indicate to the host or controller that a wake
Figure 14 - Sniff (Data Acquisition) Timing
where: a: Delay (0x0B) before checking RSSI
b: Time between Sniff functions (0x0A)
c: Receiver on and sampling input signal
Alternative Wake-Up
The AMIS-52000 will wake from a low power mode upon
the reception of RF energy. There is a second method for
the AMIS-52000 to wake from its very low power mode.
This low power mode is when the RF circuits and the
CLKOUT circuits are shut off and the RC oscillator and
wakeup divider chain are running. The AMIS-52000 can be
programmed to wake up from time to time for
housekeeping tasks. When the housekeeping timer occurs,
the AMIS-52000 will set the I
indicate to the host or controller that a housekeeping cycle
is requested.
CDATA and I
CCLK lines to
2004 AMI Semiconductor, Inc.
AMI Semiconductor makes no warranty for the use of its products, other than those expressly contained in the company’s standard warranty contained in AMI Semiconductor’s
Terms and Conditions. The company assumes no responsibility for any errors which may appear in this document, reserves the right to change devices or specifications detailed herein at
any time without notice, and does not make any commitment to update the information contained herein. No licenses to patents or other intellectual property of AMI Semiconductor are
granted by the company in connection with the sale of AMI Semiconductor products, expressly or by implication.
AMI Semiconductor - Confidential
www.amis.com
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