RFM22
Register 7Ah. Frequency Hopping Step Size
Bit
D7
D6
D5
D4
D3
D2
D1
D0
fhs[7:0]
R/W
Name
Type
Reset value = 00000000
Bit
Name
Function
Frequency Hopping Step Size in 10 kHz Increments.
fhs[7:0]
7:0
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
txafthr[5:0]
R/W
D1
D0
Reserved
R/W
Name
Type
Reset value = 00110111
Bit
Name
Function
Reserved
txafthr[5:0]
7：6
5：0
Reserved.
TX FIFO Almost Full Threshold.
Register 7Dh. TX FIFO Control 2
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Reserved
R/W
txfaethr[5:0]
Name
Type
R/W
Reset value = 00000100
Bit
Name
Function
Reserved
txfaethr[5:0]
7：6
5：0
Reserved.
TX FIFO Almost Empty Threshold.
139
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