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參數(shù)資料
| 型號(hào)： | NRF9E5IC |
| 廠(chǎng)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)： | 13/104頁(yè) |
| 文件大小： | 1436K |
| 代理商： | NRF9E5IC |
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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 13 of 104
June 2004
5
SYSTEM CLOCK
The Microcontroller clock, CPU_CLK, is generated from the on chip crystal oscillator.
CPU_CLK frequency is configured in the RF-configuration register (see chapter 11) and
could be set to 0.5, 1, 2 or 4MHz. CPU_CLK could in addition be set equal to the crystal
oscillator frequency itself. The CPU_CLK generation is illustrated in Figure 3.
It is important to always set XOF equal to the actual crystal selected for the application.
XO
f
XO
Divide 1 to 5
Divide 1 to 4
4MHz
UP_CLK_FREQ
0.5 - 4MHz
MUX
f
CPU_CLK
0.5 to 20MHz
XOF
UP_CLK
_FREQ
UP_CLK_EN
Figure 3 CPU_CLK generation in nRF9E5.
The chip has an internal low frequency clock that is always active. This clock ensure
proper operation of vital function when the chip is in power down mode and the crystal
oscillator is turned off, please see chapter 16 on page 51.
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相關(guān)代理商/技術(shù)參數(shù) |
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| nRF9E5-REEL | 功能描述:射頻收發(fā)器 433/868/915MHz TRNSCVR RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類(lèi)型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類(lèi)型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
| NRF-D | 制造商:IDEC 功能描述:35mmDINKi[pT[Lbgz_ Bulk 制造商:IDEC CORPORATION 功能描述:DIN RAIL MT.ADAPTOR |
| NRF-HEAD-CAP-B | 制造商:IDEC CORPORATION 功能描述:Circuit Protector |
| NRF-HEAD-CAP-W | 制造商:IDEC CORPORATION 功能描述:Circuit Protector |
| NRF-JB-188F2 | 制造商:MISCELLANEOUS 功能描述: |
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