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參數(shù)資料
| 型號： | NRF9E5IC |
| 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 |
| 文件頁數(shù)： | 80/104頁 |
| 文件大?。?/td> | 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 80 of 104
June 2004
Divide by 12
Divide by 4
CPU_CLK
0
1
0
1
SCK/T2
T2M
C/T2
TR2
clk
TF2
INT
TL2
capture
0
7
TH2
8
15
RCAP2L
0
7
RCAP2H
8
15
EXF2
Divide by 2
EXEN2
LP_OSC
Figure 21 Timer 2 – Timer/Counter with Capture.
18.8.3.3
16-Bit Timer/Counter Mode with Capture
The Timer 2 capture mode, illustrated in Figure 21 Timer 2 – Timer/Counter with
Capture, is the same as the 16-bit timer/counter mode, with the addition of the capture
registers and control signals. The CP/RL2 bit in the T2CON SFR enables the capture
feature. When CP/RL2 = 1, a high-to-low transition on t2ex when EXEN2 = 1 causes
the Timer 2 value to be loaded into the capture registers (RCAP2L and RCAP2H).
18.8.3.4
16-Bit Timer/Counter Mode with Auto-Reload
When CP/RL2 = 0, Timer 2 is configured for the auto-reload mode illustrated in Figure
22 Timer 2 – Timer/Counter with Auto-Reload. Control of counter input is the same as
for the other 16-bit counter modes. When the count increments from 0xFFFF, Timer 2
sets the TF2 flag and the starting value is reloaded into TL2 and TH2. The software
must preload the starting value into the RCAP2L and RCAP2H registers.
When Timer 2 is in auto-reload mode, a reload can be forced by a high-to-low transition
on the t2ex pin, if enabled by EXEN2 = 1.
Divide by 12
Divide by 4
CPU_CLK
0
1
0
1
SCK/T2
T2M
C/T2
TR2
clk
TF2
INT
TL2
reload
0
7
TH2
8
15
RCAP2L
0
7
RCAP2H
8
15
EXF2
Divide by 2
EXEN2
LP_OSC
Figure 22 Timer 2 – Timer/Counter with Auto-Reload.
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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 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
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