NRF9E5 Datasheet, PDF (23/104 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 = HI
PWR_UP = HI
TRX_CE = LO
SPI - programming
uController loading ADDR
and PAYLOAD data
(Configuration register if
changes since last TX/RX)
Data Package
ADDR
PAYLOAD
TRX_CE
NO
= HI ?
YES
Transmitter
is powered
up
nRF ShockBurst TX
Generate CRC and preamble
Sending package
DR is set high when completed
TRX_CE
NO
= HI ?
YES
DR is
set low
after pre-
amble
Pre-
amble
ADDR
PAYLOAD
NO
AUTO_ _YES
RETRAN
= HI ?
Bit in configuration
register
CRC
NB: DR is set low under the following conditions after it has been set high:
• If TX_EN is set low
Figure 5 Flowchart ShockBurst^TM transmit of nRF905.
Main office: Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway -Phone [phone] - Fax [phone]
Revision: 1.1
Page 23 of 104
June 2004