參數(shù)資料
型號(hào): MPC972FAR2
廠(chǎng)商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類(lèi): 時(shí)鐘產(chǎn)生/分配
英文描述: 125 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP52
封裝: LQFP-52
文件頁(yè)數(shù): 15/16頁(yè)
文件大小: 171K
代理商: MPC972FAR2
MPC972
MOTOROLA
TIMING SOLUTIONS
8
‘0’
MPC972
Figure 6. Programming Configuration Example
fsela0
‘0’
fsela1
fselb0
fselb1
Input Ref
50MHz
fselc0
fselc1
fselFB0
fselFB1
fselFB2
VCO = 400MHz
Ext_FB
100MHz
Qa
40MHz
Qb
66.66MHz
Qc
4
50MHz
QFB
‘1’
‘0’
‘1’
‘0’
‘1’
‘0’
MPC972
Figure 7. Generating Pentium Clocks from Floppy Clock
fsela0
‘0’
fsela1
fselb0
fselb1
Input Ref
24MHz
fselc0
fselc1
fselFB0
fselFB1
fselFB2
Ext_FB
60MHz (Processor)
Qa
60MHz (Processor)
Qb
30MHz (PCI)
Qc
4
24MHz (Floppy Disk Clk)
QFB
‘0’
‘1’
‘0’
‘1’
MPC972
Figure 8. Generating MPC604 Clocks from Ethernet Clocks
fsela0
‘1’
fsela1
fselb0
fselb1
Input Ref
20MHz
fselc0
fselc1
fselFB0
fselFB1
fselFB2
Ext_FB
33MHz (PCI)
Qa
50MHz (Processor)
Qb
50MHz (Processor)
Qc
4
20MHz (Ethernet)
QFB
‘0’
‘1’
Figure 9. Phase Delay Using Multiple MPC972’s
‘0’
MPC972
fsela0
‘0’
fsela1
fselb0
fselb1
Input Ref
66MHz
fselc0
fselc1
fselFB0
fselFB1
fselFB2
Ext_FB
66MHz
Qa
66MHz
Qb
66MHz
Qc
4
2
QFB
‘0’
‘1’
‘0’
‘1’
MPC972
fsela0
‘0’
fsela1
fselb0
fselb1
Input Ref
fselc0
fselc1
fselFB0
fselFB1
fselFB2
Ext_FB
33MHz Shifted 90
°
Qa
33MHz Shifted 90
°
Qb
33MHz Shifted 90
°
Qc
4
66MHz
QFB
‘0’
‘1’
‘0’
Inv_Clk
‘1’
Inv_Clk
‘0’
66MHz
Qc
2
66MHz
33MHz
Shifted 90
°
66MHz
相關(guān)PDF資料
PDF描述
MPC972FA 125 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP52
MPC9773AER2 9773 SERIES, PLL BASED CLOCK DRIVER, 13 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP52
MPC980FA 66 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP52
MPC9817EN 66 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO20
MPC9817SD 66 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MPC972H10 F44A WAF 制造商:Motorola Inc 功能描述:
MPC973 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:LOW VOLTAGE PLL CLOCK DRIVER
MPC974 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:LOW VOLTAGE PLL CLOCK DRIVER
MPC974A44 F44A WAF 制造商:Motorola Inc 功能描述:
MPC9772 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:3.3V 1:12 LVCMOS PLL Clock Generator