LMX24856211EVAL National Semiconductor, LMX24856211EVAL Datasheet - Page 30

• Manufacturer Part Number: LMX24856211EVAL
• Description: DELTA-SIGMA LOW POWER DUAL PLL
• Manufacturer: National Semiconductor

Specifications of LMX24856211EVAL

• Lead Free Status / Rohs Status: Not Compliant

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This corresponds to the following bit settings.
gis
Re
ter
R4
R5
R6
R7
Register
23
0
0
0
R4
R5
R6
R7
22
0
0
0
21
0
0
0
20
0
0
0
Bit Location
19
R4[17:16]
R4[15:14]
R5[23:14]
R6[23:22]
R6[21:18]
0
0
0
R5[13:4]
R6[17:4]
R4[7:4]
R4[23]
R4[12]
R4[11]
R4[10]
R7[13]
R4[9]
R4[8]
R7[7]
R7[6]
R7[5]
R7[4]
18
0
0
0
17
0
0
0
16
0
0
0
RF_FD[21:12]
RF_FN[21:12]
15
OSC_OUT
0
0
0
Bit Name
RF_TOC
R4 Must be programmed manually.
OSC_2X
RF_CPP
RF_CPF
RF_RST
RF_CPT
IF_CPP
IF_RST
IF_CPT
ATPU
DITH
MUX
DIV4
Data[19:0]
IF_P
CSR
FM
14
0
0
0
13
0
0
0
12
30
0
0
0
Extended Fractional
Extended Fractional
RF Timeout Counter
OSCout Pin Enable
Oscillator Doubler
Modulation Order
RF Charge Pump
IF PLL Prescaler
RF PLL Tri-State
IF Charge Pump
Fastlock Charge
RF PLL Counter
Bit Description
Ftest/LD Output
IF PLL Tri-State
IF PLL Counter
Pump Current
11
Autopowerup
Denominator
0
0
1
Lock Detect
Adjustment
Numerator
Cycle Slip
Reduction
Dithering
Polarity
Polarity
Reset
Reset
10
0
0
0
9
0
0
0
8
0
0
1
7
0
0
0
Bit Value
6
0
0
0
0
2
3
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
4
0
0
0
Disabled (Fcomp
C3 C2 C1 C0
3
1
1
1
3rd Order
Bit State
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
20 MHz)
Positive
Positive
Strong
16/17
2
0
1
1
1
1
0
1
0
1
1
1
≤