Xilinx Zynq-7000 User Manual

Zynq-7000 AP SoC and 7 Series FPGAs MIS v4.1 63
UG586 November 30, 2016
www.xilinx.com
Chapter 1: DDR3 and DDR2 SDRAM Memory Interface Solution
user_design/rtl/ui
This directory contains the user interface code that mediates between the native interface
of the Memory Controller and user applications (Table 1-9).
<component name>/user_design/xdc
Table 1-10 lists the modules in the user_design/xdc directory.
ddr_phy_dqs_found_cal
This module contains the Read leveling calibration logic (PHASER_IN
DQSFOUND calibration logic).
ddr_phy_init
This module contains the memory initialization and overall master
state control during initialization and calibration.
ddr_phy_rdlvl
This module contains the Read leveling Stage1 calibration logic
(Window detection with PRBS pattern).
ddr_phy_top This is the top-level module for the physical layer.
ddr_phy_wrcal This module contains the write calibration logic.
ddr_phy_wrlvl This module contains the write leveling logic.
ddr_prbs_gen
This PRBS module uses a many-to-one feedback mechanism for 2n
sequence generation.
Notes:
1. All file names are prefixed with the MIG core version number. For example, for the MIG 4.1 release module name
of ddr_byte_group_io in generated output is now mig_7series_v4_1_ddr_byte_group_io.
Table 1-9: Files In user_design/rtl/ui Directory
Name
(1)
Description
ui_cmd.v This is the user interface command port.
ui_rd_data.v
This is the user interface read buffer. It reorders read data returned from the
Memory Controller back to the request order.
ui_wr_data.v This is the user interface write buffer.
ui_top.v This is the top-level of the Memory Controller user interface.
Notes:
1. All file names are prefixed with the MIG core version number. For example, for the MIG 4.1 release module name
of ui_cmd in generated output is now mig_7series_v4_1_ui_cmd.
Table 1-10: Files in user_design/xdc Directory
Name Description
<component_name>.xdc This is the XDC for the core and the user design.
Table 1-8: Files in user_design/rtl/phy Directory (Cont’d)
Name
(1)
Description
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Xilinx Zynq-7000 Specifications

General

Brand	Xilinx
Model	Zynq-7000
Category	Motherboard
Language	English