Rainbow Electronics RF22 - Manual (Page 68)

RF22
Version: 0.1 Date: 12/23/2008
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Register 26h. Received Signal Strength Indicator
Bit D7 D6 D5 D4 D3 D2 D1 D0
Name rssi[7:0]
Type R
Reset value = 00000000
Bit Name Function
7:0 rssi[7:0] Received Signal Strength Indicator Value.
Register 27h. RSSI Threshold for Clear Channel Indicator
Bit D7 D6 D5 D4 D3 D2 D1 D0
Name rssith[7:0]
Type R/W
Reset value = 00000000
Bit Name Function
7:0 rssith[7:0] RSSI Threshold.
Interrupt is set if the RSSI value is above this threshold.
Register 28h. Antenna Diversity 1
Bit D7 D6 D5 D4 D3 D2 D1 D0
Name adrssi[7:0]
Type R
Reset value = 00000000
Bit Name Function
7:0 adrssi[7:0] Measured RSSI Value on Antenna 1.
Register 29h. Antenna Diversity 2
Bit D7 D6 D5 D4 D3 D2 D1 D0
Name adrssi2[7:0]
Type R
Reset value = 00000000
Bit Name Function
7:0 adrssi2[7:0] Measured RSSI Value on Antenna 2.
Register 30h. Data Access Control
Bit D7 D6 D5 D4 D3 D2 D1 D0
Name enpacrx lsbfrst crcdonly Reserved enpactx encrc crc[1:0]
Type R/W R/W R/W R/W R/W R/W R/W
Reset value = 10001101
Bit Name Function
7 enpacrx Enable Packet RX Handling.
If FIFO Mode (dtmod=10) is being used automatic packet handling may be enabled. Setting
enpacrx=1 will enable automatic packet handling in the RX path. Register 30-4D allow for various
configurations of the packet structure. Setting enpacrx=0 will not do any packet handling in the
RX path. It will only receive everything after the sync word and fill up the RX FIFO.
6 lsbfrst LSB First Enable.
The LSB of the data will be transmitted/received first if this bit is set.
5 crcdonly CRC Data Only Enable.
When this bit is set to 1 the CRC is calculated on and check against the packet data fields only.
4 Reserved Reserved.