NRF2401AG Nordic VLSI, NRF2401AG Datasheet - Page 11

• Manufacturer Part Number: NRF2401AG
• Manufacturer: Nordic VLSI

PRODUCT SPECIFICATION
nRF2401A Single Chip 2.4 GHz Radio Transceiver
nRF2401A ShockBurst™ Transmit:
MCU interface pins: CE, CLK1, DATA
Nordic Semiconductor ASA
Revision: 1.1
YES
1. When the application MCU has data to send, set CE high. This activates
2. The address of the receiving node (RX address) and payload data is
3. MCU sets CE low; this activates an nRF2401A ShockBurst™
4. nRF2401A ShockBurst™:
(250 or 1000kbps)
Adding Preamble
Calculating CRC
Loading ADDR
and PAYLOAD
ShockBurst
ShockBurst
nRF2401A in
TX (CE=hi)?
completed?
nRF2401A on-board data processing.
clocked into the nRF2401A. The application protocol or MCU sets the
speed <1Mbps (ex: 10kbps).
transmission.
uController
nRF2401A
nRF2401A
nRF2401A
CE=Low?
Package
Sending
Sending
data
Figure 6 Flow Chart ShockBurst™ Transmit of nRF2401A
• RF front end is powered up
• RF package is completed (preamble added, CRC calculated)
• Data is transmitted at high speed (250 kbps or 1 Mbps configured
YES
YES
TM
TM
by user).
NO
- Vestre Rosten 81, N-7075 Tiller, Norway
NO
NO
amble
Pre-
Data content of registers:
Input FIFO not Empty
ADDR
ADDR
ADDR
Page 11 of 40
Maximum 256 bits
PAYLOAD
PAYLOAD
PAYLOAD
-
Phone [phone]
CRC
CRC
-
Fax [phone]
March 2006