lmx2377u National Semiconductor Corporation, lmx2377u Datasheet - Page 41

• Manufacturer Part Number: lmx2377u
• Description: Lmx2377u Pllatinum? Ultra Low Power Dual Frequency Synthesizer For Rf Personal Communications 2.5 Ghz/1.2 Ghz
• Manufacturer: National Semiconductor Corporation

2.0 Programming Description
2.8 F
The F
F
o
LD3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
o
o
LD[3:0]
LD control word is used to select which signal is routed to the F
F
o
LD2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
F
o
LD1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
MULTI-FUNCTION OUTPUT SELECT
F
o
LD0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
LOW Logic State Output
Aux PLL R Divider Output, Push-Pull Output
Main PLL R Divider Output, Push-Pull Output
Open Drain Fastlock Output
Aux PLL Analog Lock Detect, Open Drain Output
Aux PLL N Divider Output, Push-Pull Output
Main PLL N Divider Output, Push-Pull Output
Reset Aux PLL Counters, LOW Logic State Output
Main PLL Analog Lock Detect, Open Drain Output
Aux PLL R Divider Output, Push-Pull Output
Main PLL R Divider Output, Push-Pull Output
Reset Main PLL Counters, LOW Logic State Output
Main and Aux Analog Lock Detect, Open Drain Output
Aux PLL N Divider Output, Push-Pull Output
Main PLL N Divider Output, Push-Pull Output
Reset All Counters, LOW Logic State Output
(Continued)
41
o
LD pin.
F
[Main R[20], Aux R[20], Main R [21], Aux R[21]]
o
LD Output State
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