PRELIMINARY PRODUCT SPECIFICATION
nRF24L01 Single Chip 2.4 GHz Radio Transceiver
Address
(Hex)
Mnemonic
Bit
Reset
Value
Type Description
Available locations in TX FIFO.
08
OBSERVE_TX
PLOS_CNT
Transmit observe register
7:4
3:0
0
0
R
R
Packet Loss Counter. The register is reset
by writing to RF_CH. The counter
restarts after 15 lost packets. See page 14
and 16.
Current value on resent counter. The
counter is reset when transmission of a
new packet starts. See page 14.
ARC_CNT
09
CD
Reserved
CD
7:1
0
000000
0
R
R
Carrier Detect. See page 16.
0xE7E7E7E7E7
0xC2C2C2C2C2
0xC3
0A
0B
0C
RX_ADDR_P0
RX_ADDR_P1
RX_ADDR_P2
39:0
39:0
7:0
R/W Receive address data pipe 0. 5 Bytes
maximum length. (LSByte is written first)
R/W Receive address data pipe 1. 5 Bytes
maximum length. (LSByte is written first)
R/W Receive address data pipe 2. Only LSB.
MSBytes will be equal to
RX_ADDR_P1[39:8]
0D
0E
0F
RX_ADDR_P3
RX_ADDR_P4
RX_ADDR_P5
7:0
7:0
7:0
0xC4
0xC5
0xC6
R/W Receive address data pipe 3. Only LSB.
MSBytes will be equal to
RX_ADDR_P1[39:8]
R/W Receive address data pipe 4. Only LSB.
MSBytes will be equal to
RX_ADDR_P1[39:8]
R/W Receive address data pipe 5. Only LSB.
MSBytes will be equal to
RX_ADDR_P1[39:8]
0xE7E7E7E7E7
10
11
TX_ADDR
39:0
R/W Transmit address. Used for a PTX device
only. (LSByte is written first)
Set RX_ADDR_P0 equal to this address
to handle automatic acknowledge if this is
a PTX device with Enhanced
ShockBurst™ enabled. See page 14.
RX_PW_P0
Reserved
RX_PW_P0
7:6
5:0
00
0
R/W Only '00' allowed
R/W Number of bytes in RX payload in data
pipe 0 (1 to 32 bytes).
0 Not Legal
1 = 1 byte
…
32 = 32 bytes
12
RX_PW_P1
Reserved
7:6
5:0
00
0
R/W Only '00' allowed
R/W Number of bytes in RX payload in data
RX_PW_P1
pipe 1 (1 to 32 bytes).
0 Not Legal
1 = 1 byte
…
32 = 32 bytes
13
RX_PW_P2
Reserved
7:6
5:0
00
0
R/W Only '00' allowed
R/W Number of bytes in RX payload in data
pipe 2 (1 to 32 bytes).
RX_PW_P2
Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway
Revision: 1.1
-
Phone +4772898900
-
Fax +4772898989
November 2005
Page 23 of 38
ETC [ ETC ]
