Xilinx Zynq-7000 User Manual

Zynq-7000 AP SoC and 7 Series FPGAs MIS v4.1 264
UG586 November 30, 2016
www.xilinx.com
Chapter 1: DDR3 and DDR2 SDRAM Memory Interface Solution
Table 1-83: Debug Signals Used for Configuring the Traffic Generator
Signal Name Description
vio_modify_enable Set to 1 to vary the command Traffic Generator command pattern.
vio_data_mask_gen Traffic generator Data Mask generation.
vio_pause_traffic Set to 1 to pause the Traffic Generator.
dbg_clear_error
Set to clear Traffic Generator errors. This signal can be used in checking for single bit
errors or measuring a read window.
vio_addr_mode_value
Valid settings for this signal are:
• 0x1 = FIXED address mode
(1)
• 0x2 = PRBS address mode
• 0x3 = SEQUENTIAL address mode
vio_bl_mode_value
Valid settings for this signal are:
• 0x1 = FIXED burst length
(1)
•0x2 = PRBS burst length
vio_fixed_bl_value Valid settings are 1 to 256.
vio_fixed_instr_value
Valid settings are:
• 0x0 = Write instruction
• 0x1 = Read instruction
vio_instr_mode_value
Valid settings for this signal are:
• 0x1 = Command type (read/write) as defined by fixed_instr_i
(1)
• 0x2 = Random read/write commands
• 0xE = Write only at address zero
• 0xF = Read only at address zero
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Xilinx Zynq-7000 Specifications

General

Series	Zynq-7000
Number of Cores	Dual-core
Processor Speed	Up to 1 GHz
Device Type	SoC
Logic Cells	Up to 350K
DSP Slices	Up to 900
External Memory Interfaces	DDR3, DDR2, LPDDR2
I/O Standards	LVCMOS, HSTL, SSTL
Operating Temperature	-40°C to +100°C (Industrial), 0°C to +85°C (Commercial)
Package Options	Various BGA packages
I/O Voltage	3.3V