lmx2335u National Semiconductor Corporation, lmx2335u Datasheet - Page 43

• Manufacturer Part Number: lmx2335u
• Description: Pllatinum Ultra Low Power Dual Frequency Synthesizer For Rf Personal Communications
• 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
RF2 PLL R Divider Output, Push-Pull Output
RF1 PLL R Divider Output, Push-Pull Output
Open Drain Fastlock Output
RF2 PLL Analog Lock Detect, Push-Pull Output
RF2 PLL N Divider Output, Push-Pull Output
RF1 PLL N Divider Output, Push-Pull Output
Reset RF2 Counters, LOW Logic State Output
RF1 Analog Lock Detect, Push-Pull Output
RF2 PLL R Divider Output, Push-Pull Output
RF1 PLL R Divider Output, Push-Pull Output
Reset RF1 Counters, LOW Logic State Output
RF1 and RF2 Analog Lock Detect, Push-Pull Output
RF2 PLL N Divider Output, Push-Pull Output
RF1 PLL N Divider Output, Push-Pull Output
Reset All Counters, LOW Logic State Output
(Continued)
43
o
LD pin.
F
o
LD Output State
[RF1 R[20], RF2 R[20], RF1 R [21], RF2 R[21]]
www.national.com