參數(shù)資料
型號(hào)： NRF9E5-EVKIT868
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)： 41/104頁
文件大小： 1436K
代理商： NRF9E5-EVKIT868
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 41 of 104
June 2004
12
TRANCEIVER SUBSYTEM TIMING
The following timing must be obeyed during nRF905 operation.
12.1
Device Switching Times
nRF905 timing
Max.
650
μ
s
650
μ
s
550
1
μ
s
550
1
μ
s
STBY
è
TX Shock Burst
STBY
è
RX Shock Burst
RX Shock Burst
è
TX Shock Burst
TX Shock Burst
è
RX Shock Burst
Notes to table:
1)
RX to TX or TX to RX switching is available without re-programming of the RF
configuration register. The same frequency channel is maintained.
Table 32 Switching times for nRF905.
12.2
ShockBurst
TM
TX Timing
MOSI
CSN
PWR_UP
TX_EN
TRX_CE
TX DATA
TIME
T0 = Radio Enabled
T1 = T0+10uS Minimum TRX_CE pulse
T2 = T0 + 650uS.Start of TX Data transmission
T3 = End of Data Packet, enter Standby mode
Programming of
and TX Data Register
T0
T1
T2
T3
TrManchester Encoded
Figure 13 Timing diagram for standby to transmit.
After a data packet has finished transmitting the device will automatically enter Standby
mode and wait for the next pulse of TRX_CE. If the Auto Re-Transmit function is
enabled the data packet will continue re-sending the same data packet until TRX_CE is
set low.
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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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