RF31 Hope Microelectronics co., Ltd, RF31 Datasheet - Page 116
![no-image](/images/no-image-200.jpg)
RF31
Manufacturer Part Number
RF31
Description
Rf31 Ism Receiver
Manufacturer
Hope Microelectronics co., Ltd
Datasheet
1.RF31.pdf
(139 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
RF3100
Manufacturer:
RFMD
Quantity:
15 520
Company:
Part Number:
RF3100
Manufacturer:
ST-ERICSS
Quantity:
4 288
Part Number:
RF3100
Manufacturer:
ERICSSON/爱立信
Quantity:
20 000
Part Number:
RF3100-2
Manufacturer:
RFMD
Quantity:
20 000
Company:
Part Number:
RF3100-2SR
Manufacturer:
RFMD
Quantity:
213
Company:
Part Number:
RF3100-2TR13
Manufacturer:
RFMD
Quantity:
15 540
Part Number:
RF3100-2TR13
Manufacturer:
RFMD
Quantity:
20 000
Part Number:
RF3103
Manufacturer:
RFMD
Quantity:
20 000
Register 57h. Charge Pump Test
Reset value = 00000000
Register 58h. Charge Pump Current Trimming/Override
Reset value = 100xxxxx
Name
Name
Type
Type
Bit
Bit
2:0
7:6
4:0
Bit
Bit
7
6
5
4
3
5
Tel: +86-755-82973805
pfdrst
R/
D7
D7
w
cdcurr[2:0]
cpcurr[1:0]
cpforceup
cpforcedn
cporr[4:0]
fbdiv_rst
cpcorrov
Name
Name
cdonly
pfdrst
cpcurr[1:0]
R/
w
fbdiv_rst
R/
D6
D6
w
Direct Control to Analog.
Direct Control to Analog.
Charge Pump Force Up.
Charge Pump Force Down.
Charge Pump DC Offset Only.
Charge Pump DC Current Selection.
Charge Pump Current (Gain Setting).
Changing these bits will change the BW of the PLL. The default setting is
adequate for all data rates.
Charge Pump Correction Override Enable.
Charge Pump Correction Value.
During read, you read what the Charge Pump sees. If cpcorrov = 1, then the
value you write will go to the Charge Pump, and will also be the value you read.
By default, cpcorr[4:0] wakes up as all Zeros.
Fax: +86-755-82973550
cpforceup
cpcorrov
R/
D5
D5
R/
w
w
cpforcedn
R/
D4
D4
w
E-mail: sales@hoperf.com
cdonly
Function
Function
D3
D3
R/
w
cporr[4:0]
R/
D2
D2
w
http://www.hoperf.com
cdcurr[2:0]
R F 3 1
D1
D1
R/
w
D0
D0
116