參數資料
型號: NRF9E5-EVKIT915
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: 86/104頁
文件大小: 1436K
代理商: NRF9E5-EVKIT915
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 86 of 104
June 2004
18.9.2.2
Mode 1 Transmit
Figure 28 illustrates the mode 1 transmit timing. In mode 1, the UART begins
transmitting after the first rollover of the divide-by-16 counter after the software writes
to the SBUF register. The UART transmits data on the txd pin in the following order:
start bit, eight data bits (LSB first), stop bit. The TI bit is set two clock cycles after the
stop bit is transmitted.
Figure 28 Serial port Mode 1 Transmit Timing.
18.9.2.3
Mode 1 Receive
Figure 29 illustrates the mode 1 receive timing. Reception begins at the falling edge of a
start bit received on rxd_in, when enabled by the REN bit.
For this purpose, rxd_in is
sampled sixteen times per bit for any baud rate.
When a falling edge of a start bit is
detected, the divide-by-16 counter used to generate the receive clock is reset to align the
counter rollover to the bit boundaries.
Figure 29 Serial port Mode 1 Receive Timing.
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參數描述
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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