Datasheet

PRELIMINARY PRODUCT SPECIFICATION
nRF24L01 Single Chip 2.4 GHz Radio Transceiver
Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone [phone] - Fax [phone]
Revision: 1.2 Page 25 of 39 March 2006
Address
(Hex)
Mnemonic Bit Reset
Value
Type Description
1 = 1 byte
…
32 = 32 bytes
13 RX_PW_P2
Reserved 7:6 00 R/W Only '00' allowed
RX_PW_P2 5:0 0 R/W Number of bytes in RX payload in data
pipe 2 (1 to 32 bytes).
0 Pipe not used
1 = 1 byte
…
32 = 32 bytes
14 RX_PW_P3
Reserved 7:6 00 R/W Only '00' allowed
RX_PW_P3 5:0 0 R/W Number of bytes in RX payload in data
pipe 3 (1 to 32 bytes).
0 Pipe not used
1 = 1 byte
…
32 = 32 bytes
15 RX_PW_P4
Reserved 7:6 00 R/W Only '00' allowed
RX_PW_P4 5:0 0 R/W Number of bytes in RX payload in data
pipe 4 (1 to 32 bytes).
0 Pipe not used
1 = 1 byte
…
32 = 32 bytes
16 RX_PW_P5
Reserved 7:6 00 R/W Only '00' allowed
RX_PW_P5 5:0 0 R/W Number of bytes in RX payload in data
pipe 5 (1 to 32 bytes).
0 Pipe not used
1 = 1 byte
…
32 = 32 bytes
17 FIFO_STATUS FIFO Status Register
Reserved 7 0 R/W Only '0' allowed
TX_REUSE 6 0 R Reuse last sent data packet if set high.
The packet will be repeatedly resent as
long as CE is high. TX_REUSE is set by
the SPI instruction REUSE_TX_PL, and
is reset by the SPI instructions
W_TX_PAYLOAD or FLUSH TX
TX_FULL 5 0 R TX FIFO full flag. 1: TX FIFO full. 0:
Available locations in TX FIFO.
TX_EMPTY 4 1 R TX FIFO empty flag. 1: TX FIFO empty.
0: Data in TX FIFO.
Reserved 3:2 00 R/W Only '00' allowed
RX_FULL 1 0 R RX FIFO full flag. 1: RX FIFO full. 0:
Available locations in RX FIFO.
RX_EMPTY 0 1 R RX FIFO empty flag. 1: RX FIFO empty.
0: Data in RX FIFO.
N/A TX_PLD 255:0 X W Written by separate SPI command TX
data payload register 1 - 32 bytes.
This register is implemented as a FIFO
with 3 levels. Used in TX mode only
N/A RX_PLD 255:0 X R Written by separate SPI command
RX data payload register. 1 - 32 bytes.
This register is implemented as a FIFO