NRF9E5 Datasheet, PDF (25/104 Pages) List of Unclassifed Manufacturers – 433/868/915MHz RF Transceiver with Embedded 8051 Compatible Microcontroller and 4 Input, 10 Bit ADC

PRODUCT SPECIFICATION
nRF9 E5 Single Chip Transceiver with Embedded Microcontroller and ADC
Radio in Standby
TX_EN = LO
PWR_UP = HI
TRX_CE ^NO
= HI ?
YES
Receiver is
powered up
Receiver
Sensing for incomming data
CD is set high if carrier
NO
Correct
ADDR?
YES
AM is set
high
Receiving
data
Data Package
Pre-
amble
ADDR
PAYLOAD
CRC
AM is set low ^NO
Correct
CRC?
YES
DR high is
set high
DR and AM are
set low
DR and AM are
set low
MCU clocks out payload via
the SPI interface
MCU clocks out payload via
the SPI interface
TRX_CE NO
= HI ?
YES
Radio enters
STBY
RX Remains
On
PAYLOAD
Figure 6 Flowchart ShockBurst^TM receive of nRF905.
Main office: Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway -Phone [phone] - Fax [phone]
Revision: 1.1
Page 25 of 104
June 2004