參數(shù)資料
型號(hào): PCK2000DL
廠商: NXP SEMICONDUCTORS
元件分類(lèi): XO, clock
英文描述: CK97 66/100MHz System Clock Generator
中文描述: 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封裝: 7.50 MM, PLASTIC, SSOP-48
文件頁(yè)數(shù): 5/14頁(yè)
文件大小: 90K
代理商: PCK2000DL
Philips Semiconductors
Product specification
PCK2000
CK97 (66/100MHz) System Clock Generator
1998 Sep 29
5
FUNCTION TABLE
SEL 100/66
CPU/PCI RATIO
CPUCLK (0–3)
(MHz)
CPICLK (1–7)
PCICLK_F
(MHz)
REF (0–2)
IOAPIC (0–1)
(MHz)
48MHz (0–1)
0
2
66.66
33.33
14.318
48
1
3
100
33.33
14.318
48
CLOCK ENABLE CONFIGURATION
CPUSTOP
PCISTOP
PWRDWN
CPUCLK
PCICLK
PCICLK_F
OTHER
CLOCKS
PLLs
OSCILLATOR
X
X
0
LOW
LOW
LOW
Stopped
OFF
OFF
0
0
1
LOW
LOW
33MHz
Running
Running
Running
0
1
1
LOW
33MHz
33MHz
Running
Running
Running
1
0
1
100/66MHz
LOW
33MHz
Running
Running
Running
1
1
1
100/66MHz
33MHz
33MHz
Running
Running
Running
POWER MANAGEMENT REQUIREMENTS
LATENCY
SIGNAL
SIGNAL STATE
NO. OF RISING EDGES OF FREE RUNNING
PCICLK
CPUSTOP
0 (DISABLED)
1
1 (ENABLED)
1
PCISTOP
0 (DISABLED)
1
1 (ENABLED)
1
PWRDWN
1 (NORMAL OPERATION)
3ms
0 (POWER DOWN)
2 MAX
NOTES:
1. Clock ON/OFF latency is defined as the number of rising edges of free running PCICLKs between the clock disable goes HIGH/LOW to the
first valid clock that comes out of the device.
2. Power up latency is when PWRDWN goes inactive (HIGH) to when the first valid clocks are driven from the device.
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