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W83195WG-382 参数 Datasheet PDF下载

W83195WG-382图片预览
型号: W83195WG-382
PDF下载: 下载PDF文件 查看货源
内容描述: 华邦时钟发生器 [Winbond Clock Generator]
分类和应用: 晶体时钟发生器外围集成电路光电二极管
文件页数/大小: 27 页 / 255 K
品牌: WINBOND [ WINBOND ]
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W83195WG-382/W83195CG-382
STEPLESS FOR ATI K8 CLOCK GENERATOR
1. GENERAL DESCRIPTION
The W83195WG-382/W83195CG-382 is a Clock Synthesizer for ATI K8 serial chipsets. W83195WG-
382/ W83195CG-382 provides all clocks required for the high-speed microprocessor and provides
step-less frequency programming and 32 different frequencies of CPU, PCI, and SRC clocks setting,
all clocks are externally selectable with smooth transitions.
The W83195WG-382/ W83195CG-382 has watchdog timer and reset output pin to support auto-reset
when systems hanging caused by improper frequency setting. It also support CPU TURBO function
when system has heavy loading.
The W83195WG-382/W83195CG-382 provides I
2
C serial bus interface to program the registers to
enable or disable each clock outputs and provides programmable S.S.T. scale to reduce EMI.
The W83195WG-382/W83195CG-382 accepts a 14.318 MHz reference crystal as its input and runs
on a 3.3V supply.
2. PRODUCT FEATURES
2 pair push-pull Differential clock outputs for CPU.
6 pair current-mode Differential clock outputs for SRC.
2 pair current-mode Differential clock outputs for ATIG programmable.
1 PCI clock output.
1 48 MHz clock output for USB.
3 14.318MHz REF clock outputs.
1 HTT 66MHz clock output.
Smooth frequency switch with selections from 100 to 400MHz.
Step-less frequency programming.
CPU TURBO function support.
I
2
C 2-wire serial interface and support byte read/write and block read/write.
Programmable S.S.T. scale to reduce EMI in M/N mode.
Programmable registers to enable/disable each output and select modes.
Programmable clock outputs slew rate control and skew control.
Watch Dog Timer and RESET# output pins
56 pin TSSOP/SSOP package.
-1-
Publication Release Date: Feb 2006
Revision 0.6