Datasheet

Revision 1.5 Page 25 of 41
nRF905 Product Specification
Table 18.TX address register
Table 19. RX payload register
Table 20. Status register
The length of all registers is fixed. However, the bytes in TX_PAYLOAD, RX_PAYLOAD, TX_ADDRESS
and RX_ADDRESS used in ShockBurst™ RX/TX are set in the configuration register. Register content is
not lost when the device enters one of the power saving modes.
TX_ADDRESS (R/W)
Byte # Content bit[7:0], MSB = bit[7] Init value
0 TX_ADDRESS[7:0] E7
1 TX_ADDRESS[15:8] E7
2 TX_ADDRESS[23:16] E7
3 TX_ADDRESS[31:24] E7
RX_PAYLOAD (R)
Byte # Content bit[7:0], MSB = bit[7] Init value
0 RX_PAYLOAD[7:0] X
1 RX_PAYLOAD[15:8] X
-X
-X
30 RX_PAYLOAD[247:240] X
31 RX_PAYLOAD[255:248] X
STATUS_REGISTER (R)
Byte # Content bit[7:0], MSB = bit[7] Init value
0 AM, bit [6] not used, DR, bit [0:4] not used X