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參數(shù)資料
| 型號(hào)： | NRF9E5-EVKIT433 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC |
| 中文描述： | 433/868/915MHz RF收發(fā)器與8051兼容的嵌入式微控制器和4輸入，10位ADC |
| 文件頁(yè)數(shù)： | 7/104頁(yè) |
| 文件大?。?/td> | 1436K |
| 代理商： | NRF9E5-EVKIT433 |
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PRODUCT SPECIFICATION
nRF9E5 Single Chip Transceiver with Embedded Microcontroller and ADC
Main office: Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway -Phone +4772898900 - Fax +4772898989
Revision: 1.1
Page 7 of 104
June 2004
1.5
Power Management
The nRF9E5 can be placed into several low power modes under program control, and
also the ADC and RF subsystems can be turned on or off under program control. The
CPU will stop, but all RAM’s and registers maintain their values. The watchdog, RTC
(Real Time Clock) wakeup timer and the GPIO wakeup function are always active
during power down. The current consumption is typically 2.5μA when running with the
crystal oscillator off.
The device can exit the power down modes by an external pin, an event on any of the P0
GPIO pins, by the wakeup timer if enabled or by a watchdog reset.
1.6
LF Clock, RTC Wakeup Timer, GPIO Wakeup and Watchdog
The nRF9E5 contains an internal low frequency clock CKLF that is always on. When
the crystal oscillator clocks the circuit, the CKLF is a 4kHz clock derived from the
crystal oscillator. When no crystal oscillator clock is available, the CKLF is a low power
RC oscillator that cannot be disabled, so it will run continuously as long as VDD =
1.8V. The RTC Wakeup timer, the GPIO wakeup and watchdog all run on the CKLF to
ensure these vital functions will work during all power down modes.
RTC Wakeup timer is a 24 bit programmable down counter and the Watchdog is a 16 bit
programmable down counter. The resolution of the watchdog and wakeup timer is
programmable (with prescaler TICK_DV) from approximately 300μs to approximately
80ms. By default the resolution is 1ms. The wakeup timer can be started and stopped by
user software. The watchdog is disabled after a reset, but if activated it cannot be
disabled again, except by another reset. An RTC Wakeup timer timeout also provides a
programmable pulse (GTIMER) that can be an output on a GPIO pin.
The GPIO wakeup function lets the software enable wakeup on one or more pins from
the P0 GPIO port. The edge sensitivity (rising, falling or both) and de-bouncing filter is
individually programmable for each pin.
1.7
XTAL Oscillator
The microcontroller, AD converter and transceiver run on the same crystal oscillator
generated clock. A range of crystals frequencies from 4 to 20 MHz may be utilized. For
details, please see chapter 7.1 on page 17. The oscillator may be started and stopped as
requested by software.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| nRF9E5-EVKIT-433 | 功能描述:射頻模塊 NRF9E5 EVAL KIT 433MHZ RoHS:否 制造商:Linx Technologies 產(chǎn)品:Transceiver Modules 頻帶:902 MHz to 928 MHz 輸出功率:- 15.5 dBm to + 12.5 dBm 接口類(lèi)型:UART 工作電源電壓:- 0.3 VDC to + 5.5 VDC 傳輸供電電流:38.1 mA 接收供電電流:22.7 mA 天線連接器類(lèi)型:U.FL 最大工作溫度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm |
| NRF9E5-EVKIT868 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC |
| nRF9E5-EVKIT-868/915 | 功能描述:射頻開(kāi)發(fā)工具 NRF9E5 EVAL KIT 868/915 RoHS:否 制造商:Taiyo Yuden 產(chǎn)品:Wireless Modules 類(lèi)型:Wireless Audio 工具用于評(píng)估:WYSAAVDX7 頻率: 工作電源電壓:3.4 V to 5.5 V |
| NRF9E5-EVKIT915 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC |
| NRF9E5IC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC |
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