6-10
Altera_PLL Parameter Values for External PLL Mode
SV51007
2014.01.10
Related Information
More information about the different clocking requirement for soft SERDES.
Altera_PLL Parameter Values for External PLL Mode
The following examples show the clocking requirements to generate output clocks for ALTLVDS_TX and
ALTLVDS_RX using the Altera_PLL megafunction. The examples set the phase shift with the assumption
that the clock and data are edge aligned at the pins of the device.
Note: For other clock and data phase relationships, Altera recommends that you first instantiate your
ALTLVDS_RX and ALTLVDS_TX interface without using the external PLL mode option. Compile
the megafunctions in the Quartus II software and take note of the frequency, phase shift, and duty
cycle settings for each clock output. Enter these settings in the Altera_PLL megafunction parameter
editor and then connect the appropriate output to the ALTLVDS_RX and ALTLVDS_TX
megafunctions.
Table 6-8: Example: Generating Output Clocks Using an Altera_PLL Megafunction (No DPA and Soft-CDR Mode)
This table lists the parameter values that you can set in the Altera_PLL parameter editor to generate three output
clocks using an Altera_PLL megafunction if you are not using DPA and soft-CDR mode.
Parameter
outclk0
(Connects to the tx_inclock
port of ALTLVDS_TX and the
outclk1
(Connects to the tx_enable
port of ALTLVDS_TX and the
outclk2
(Used as the core clock for the
parallel data registers for both
rx_inclock port of ALTLVDS_ rx_enable port of ALTLVDS_
transmitter and receiver, and
RX)
RX)
connects to the rx_synclock
port of ALTLVDS_RX)
Frequency
Phase shift
data rate
– 180°
data rate/serialization factor data rate/serialization
factor
[(deserialization factor – 2)/ – 180/serialization factor
deserialization factor] x 360°
(outclk0 phase shift
divided by the serialization
factor)
Duty cycle
50%
100/serialization factor
50%
The calculations for phase shift, using the RSKM equation, assume that the input clock and serial data are
edge aligned. Introducing a phase shift of – 180° to sampling clock (c0) ensures that the input data is center-
aligned with respect to the outclk0, as shown in the following figure.
Altera Corporation
High-Speed Differential I/O Interfaces and DPA in Stratix V Devices
Send Feedback
相关PDF资料
DK-DSP-2S180N DSP PRO KIT W/SII EP2S180N
DK-DSP-3C120N KIT DEV DSP CYCLONE III EDITION
DK-K7-CONN-CES-G KINTEX-7 FPGA CONNECTIVITY KIT
DK-K7-EMBD-CES-G-J KINTEX-7 FPGA EMBEDDED KIT JAPAN
DK-MAXII-1270N KIT DEV MAXII W/EPM 1270N
DK-N2EVAL-3C25N KIT DEV NIOS II CYCLONE III ED.
DK-NIOS-2C35N NIOS II KIT W/CYCLONE II EP2C35N
DK-NIOS-2S60N NIOS II KIT W/STRATIX II EP2S60N
相关代理商/技术参数
DK-DSP-2C70N 功能描述:DSP KIT W/CYCLONE II EPS2C70N RoHS:是 类别:编程器,开发系统 >> 通用嵌入式开发板和套件(MCU、DSP、FPGA、CPLD等) 系列:Cyclone® II 产品培训模块:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色产品:Blackfin? BF50x Series Processors 标准包装:1 系列:Blackfin® 类型:DSP 适用于相关产品:ADSP-BF548 所含物品:板,软件,4x4 键盘,光学拨轮,QVGA 触摸屏 LCD 和 40G 硬盘 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相关产品:ADSP-BF542BBCZ-4A-ND - IC DSP 16BIT 400MHZ 400CSBGAADSP-BF544MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542KBCZ-6A-ND - IC DSP 16BIT 600MHZ 400CSBGAADSP-BF547MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF548BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF547BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF544BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF542BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGA
DK-DSP-2S180N 功能描述:DSP PRO KIT W/SII EP2S180N RoHS:是 类别:编程器,开发系统 >> 通用嵌入式开发板和套件(MCU、DSP、FPGA、CPLD等) 系列:Stratix® II 产品培训模块:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色产品:Blackfin? BF50x Series Processors 标准包装:1 系列:Blackfin® 类型:DSP 适用于相关产品:ADSP-BF548 所含物品:板,软件,4x4 键盘,光学拨轮,QVGA 触摸屏 LCD 和 40G 硬盘 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相关产品:ADSP-BF542BBCZ-4A-ND - IC DSP 16BIT 400MHZ 400CSBGAADSP-BF544MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542KBCZ-6A-ND - IC DSP 16BIT 600MHZ 400CSBGAADSP-BF547MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF548BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF547BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF544BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF542BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGA
DK-DSP-2S60N 功能描述:DSP KIT W/STRATIX II EP2S60N RoHS:是 类别:编程器,开发系统 >> 通用嵌入式开发板和套件(MCU、DSP、FPGA、CPLD等) 系列:Stratix® II 产品培训模块:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色产品:Blackfin? BF50x Series Processors 标准包装:1 系列:Blackfin® 类型:DSP 适用于相关产品:ADSP-BF548 所含物品:板,软件,4x4 键盘,光学拨轮,QVGA 触摸屏 LCD 和 40G 硬盘 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相关产品:ADSP-BF542BBCZ-4A-ND - IC DSP 16BIT 400MHZ 400CSBGAADSP-BF544MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542KBCZ-6A-ND - IC DSP 16BIT 600MHZ 400CSBGAADSP-BF547MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF548BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF547BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF544BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF542BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGA
DK-DSP-3C120N 功能描述:可编程逻辑 IC 开发工具 FPGA Development Kit For EP3C120F780 RoHS:否 制造商:Altera Corporation 产品:Development Kits 类型:FPGA 工具用于评估:5CEFA7F3 接口类型: 工作电源电压:
DK-DSP-3SL150N 功能描述:可编程逻辑 IC 开发工具 FPGA Development Kit For EP3SL150F1152 RoHS:否 制造商:Altera Corporation 产品:Development Kits 类型:FPGA 工具用于评估:5CEFA7F3 接口类型: 工作电源电压:
DK-DTK-120HW 制造商:FLORIDA MISC. 功能描述:
DKE10 制造商:MEANWELL 制造商全称:Mean Well Enterprises Co., Ltd. 功能描述:10W DC-DC Regulated Dual Output Converter
DKE10A-05 功能描述:DC/DC转换器 9-18Vin +/-5Vout 100-1000mA, 10W RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压(标称): 输出端数量:1 输出电压(通道 1):3.3 V 输出电流(通道 1):600 mA 输出电压(通道 2): 输出电流(通道 2): 安装风格:SMD/SMT 封装 / 箱体尺寸: