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Número de pieza | PCK2000DL | |
Descripción | CK97 66/100MHz System Clock Generator | |
Fabricantes | NXP Semiconductors | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de PCK2000DL (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
No Preview Available ! INTEGRATED CIRCUITS
PCK2000
CK97 (66/100MHz) System Clock
Generator
Product specification
1998 Sep 29
Philips
Semiconductors
1 page Philips Semiconductors
CK97 (66/100MHz) System Clock Generator
Product specification
PCK2000
FUNCTION TABLE
SEL 100/66
CPU/PCI RATIO
02
13
CPUCLK (0–3)
(MHz)
66.66
100
CPICLK (1–7)
PCICLK_F
(MHz)
33.33
33.33
REF (0–2)
IOAPIC (0–1)
(MHz)
14.318
14.318
48MHz (0–1)
48
48
CLOCK ENABLE CONFIGURATION
CPUSTOP PCISTOP
PWRDWN
CPUCLK
X X 0 LOW
0 0 1 LOW
0 1 1 LOW
1 0 1 100/66MHz
1 1 1 100/66MHz
PCICLK
LOW
LOW
33MHz
LOW
33MHz
PCICLK_F
LOW
33MHz
33MHz
33MHz
33MHz
OTHER
CLOCKS
Stopped
Running
Running
Running
Running
PLLs
OFF
Running
Running
Running
Running
OSCILLATOR
OFF
Running
Running
Running
Running
POWER MANAGEMENT REQUIREMENTS
SIGNAL
SIGNAL STATE
LATENCY
NO. OF RISING EDGES OF FREE RUNNING
PCICLK
CPUSTOP
PCISTOP
PWRDWN
0 (DISABLED)
1 (ENABLED)
0 (DISABLED)
1 (ENABLED)
1 (NORMAL OPERATION)
0 (POWER DOWN)
1
1
1
1
3ms
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.
1998 Sep 29
5
5 Page Philips Semiconductors
CK97 (66/100MHz) System Clock Generator
CPUSTOP
CPUCLK
(INTERNAL)
PCICLK
(INTERNAL)
PCICLK
(FREE-RUNNING)
CPUSTOP
CPUCLK
(EXTERNAL)
PCISTOP
CPUCLK
(INTERNAL)
PCICLK
(INTERNAL)
PCICLK
(FREE-RUNNING)
PCISTOP
PCICLK
(EXTERNAL)
PWRDWN
CPUCLK
(INTERNAL)
PCICLK
(INTERNAL)
PWRDWN
CPUCLK
(EXTERNAL)
PCICLK
(EXTERNAL)
VCO
CRYSTAL
1998 Sep 29
ÁÁÁÁ
Figure 6. Power Management
11
Product specification
PCK2000
SW00244
11 Page |
Páginas | Total 14 Páginas | |
PDF Descargar | [ Datasheet PCK2000DL.PDF ] |
Número de pieza | Descripción | Fabricantes |
PCK2000DL | CK97 66/100MHz System Clock Generator | NXP Semiconductors |
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