Rf22 – Rainbow Electronics RF22 User Manual
Page 89

RF22
Version: 0.1 Date: 12/23/2008
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89
Register 79h. Frequency Hopping Channel Select
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
fhch[7:0]
Type R/W
Reset value = 00000000
Bit
Name
Function
7:0
fhch[7:0]
Frequency Hopping Channel Number.
Register 7Ah. Frequency Hopping Step Size
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name fhs[7:0]
Type R/W
Reset value = 00000000
Bit
Name
Function
7:0
fhs[7:0]
Frequency Hopping Step Size in 10 kHz Increments.
See formula for the nominal carrier frequency at "Register 76h. Nominal Carrier Frequency".
Register 7Ch. TX FIFO Control 1
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
Reserved
txafthr[5:0]
Type
R/W
R/W
Reset value = 00110111
Bit
Name
Function
7:6
Reserved
Reserved.
5:0
txafthr[5:0]
TX FIFO Almost Full Threshold.
Register 7Dh. TX FIFO Control 2
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name Reserved
txfaethr[5:0]
Type
R/W
R/W
Reset value = 00000100
Bit
Name
Function
7:6
Reserved
Reserved.
5:0
txfaethr[5:0]
TX FIFO Almost Empty Threshold.
Register 7Eh. RX FIFO Control
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name Reserved
rxafthr[5:0]
Type
R/W
R/W
Reset value = 00110111
Bit
Name
Function
7:6
Reserved
Reserved.
5:0
rxafthr[5:0]
RX FIFO Almost Full Threshold.