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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 81/104頁 |
| 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 81 of 104
June 2004
18.8.3.5
Baud Rate Generator Mode
Setting either RCLK or TCLK to 1 configures Timer 2 to generate baud rates for Serial
port in serial mode 1 or 3. In baud-rate generator mode, Timer 2 functions in auto-reload
mode. However, instead of setting the TF2 flag, the counter overflow generates a shift
clock for the serial port function. As in normal auto-reload mode, the overflow also
causes the preloaded start value in the RCAP2L and RCAP2H registers to be reloaded
into the TL2 and TH2 registers.
When either TCLK = 1 or RCLK = 1, Timer 2 is forced into auto-reload operation,
regardless of the state of the CP/RL2 bit.
When operating as a baud rate generator, Timer 2 does not set the TF2 bit. In this mode,
a Timer 2 interrupt can be generated only by a high-to-low transition on the t2ex pin
setting the EXF2 bit, and only if enabled by EXEN2 = 1.The counter time base in baud-
rate generator mode is CPU_clk/2. To use an external clock source, set C/T2 to 1 and
apply the desired clock source to the t2 pin.
Divide by 2
CPU_CLK
0
1
SCK/T2
C/T2
TR2
clk
INT
TL2
0
7
TH2
8
15
RCAP2L
0
7
RCAP2H
8
15
EXF2
Divide by 2
EXEN2
LP_OSC
RCLK
0
1
TCLK
0
1
Divide by 16
Divide by 16
TX
clock
RX
clock
Divide by 2
1
Timer 1 overflow
SMOD0
r
Figure 23 Timer 2 – Baud Rate Generator Mode.
18.9
Serial Interface
The nRF9E5 is configured with one serial port, which is identical in operation to the
standard 8051 serial port. The two serial port pins rxd and txd are available as alternate
functions of P0.1 and P0.2, for details please see ch. 6.3 on page 15.
The serial port can operate in synchronous or asynchronous mode. In synchronous
mode, the nRF9E5 generates the serial clock and the serial port operates in half-duplex
mode. In asynchronous mode, the serial port operates in full-duplex mode. In all modes,
the nRF9E5 buffers receive data in a holding register, enabling the UART to receive an
incoming word before the software has read the previous value.
The serial port can operate in one of four modes, as outlined in Table 70.
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| 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:射頻開發(fā)工具 NRF9E5 EVAL KIT 868/915 RoHS:否 制造商:Taiyo Yuden 產(chǎn)品:Wireless Modules 類型:Wireless Audio 工具用于評估: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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