参数资料
型号: DK-DEV-4SGX530N
厂商: Altera
文件页数: 47/58页
文件大小: 0K
描述: KIT DEVELOPMENT STRATIX IV
产品培训模块: Three Reasons to Use FPGA's in Industrial Designs
标准包装: 1
系列: Stratix® IV GX
类型: FPGA
适用于相关产品: Stratix? IV GX
所含物品: 板,线缆,文档,电源
其它名称: 544-2714
Chapter 6: Board Test System
6–23
The Clock Control
The Clock Control communicates with the MAX II device on the board through the
JTAG bus. The Si570 programmable oscillator is connected to the MAX II device
through a 2-wire serial bus. Figure 6–11 shows the Clock Control.
Figure 6–11. The Clock Control
The following sections describe the Clock Control controls.
Serial Port Registers
The Serial port registers control shows the current values from the Si570 registers.
f For more information about the Si570 registers, refer to the Si570/Si571 data sheet
available on the Silicon Labs website ( www.silabs.com ).
fXTAL
The fXTAL control shows the calculated internal fixed-frequency crystal based on the
serial port register values.
f For more information about the f XTAL value and how it is calculated, refer to the
Si570/Si571 data sheet available on the Silicon Labs website ( www.silabs.com ).
Disable Oscillator
The Disable oscillator enables and disables the Si570 output buffer. Turn on Disable
oscillator to power down the Si570 output buffer. Turn off the Disable oscillator to
drive the Si570 output buffer normally.
March 2014
Altera Corporation
Stratix IV GX FPGA Development Kit User Guide
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