Xilinx Zynq-7000 Manual

Chapter 32: Device Security
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UG585 (DRAFT) February 15, 2012
33.2.1 External Boot Devices
Zynq-7000 secure boot mode is restricted to NOR, NAND, or Quad SPI FLASH as the external boot device. A secure
boot from JTAG or any other external interface is not allowed.
33.2.2 Secure Boot Image
Figure 2 Secure Boot Image Format
The secure boot image format is show in Figure 2. The secure boot image consists of a boot ROM header, a FSBL
partition (required), and any number, including zero of succeeding partitions. The boot ROM header identifies the
boot image as secure or non-secure at offset 0x028. The value stored in the boot header at offset 0x028 determines the
key source, see Table 1.

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