參數(shù)資料
型號: LMX2377USLEX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: XO, clock
英文描述: POSITIONER
中文描述: PLL FREQUENCY SYNTHESIZER, 2500 MHz, PQCC20
封裝: PLASTIC, UTCSP-20
文件頁數(shù): 41/44頁
文件大小: 3181K
代理商: LMX2377USLEX
2.0 Programming Description
(Continued)
2.8 F
o
LD[3:0]
The F
o
LD control word is used to select which signal is routed to the F
o
LD pin.
MULTI-FUNCTION OUTPUT SELECT
[Main R[20], Aux R[20], Main R [21], Aux R[21]]
F
o
LD3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
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
F
o
LD0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
F
o
LD Output State
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
L
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