RF31 Hope Microelectronics co., Ltd, RF31 Datasheet - Page 128

• Manufacturer Part Number: RF31
• Description: Rf31 Ism Receiver
• Manufacturer: Hope Microelectronics co., Ltd

Register 72h. Frequency Deviation
Reset value = 00100000
Note: It's recommended to use modulation index of 1 or higher (maximum allowable modulation index is 32). The modulation
Register 73h. Frequency Offset 1
Reset value = 00000000
Reading from this register will give the AFC correction last results, not this register value.
Name
Type
Bit
Name
Type
index is defined by 2F
modulation index is defined by F
Bit
7:0
Bit
7:0
Bit
Tel: [phone]
D7
fd[7:0]
fo[7:0]
Name
Name
D7
N
/F
R
D6
Frequency Deviation Setting.
See formula above.
Frequency Offset Setting.
The frequency offset can be calculated as Offset = 156.25 Hz x (hbsel + 1) x fo[7:0].
fo[9:0] is a twos complement value. Reading from this register will give the AFC
correction last results, not this register value.
were F
D6
Fax: [phone]
D
/R
D
is the deviation and R
B
.
D5
D5
D4
D4
B
E-mail: [e-mail]
is the data rate. When Manchester coding is enabled the
fo[7:0]
R/W
fd[7:0]
R/W
Function
Function
D3
D3
D2
D2
http://www.hoperf.com
D1
R F 3 1
D1
D0
D0
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