If during boot the PROG_B signal is held LOW, the BootROM waits while trying to clear the PL.
Only after a timeout (few minutes long) the BootROM goes in Secure Lock Down.
The user will not be able to see the DAP in the JTAG chain.
This behavior is different from GES where the DAP is available even if booting with PROG_B LOW.
Visit Zynq-7000 SoC Solution Center (Xilinx Answer 52512) to address all questions related to the Zynq-7000 SoC.
| Answer Number | 问答标题 | 问题版本 | 已解决问题的版本 |
|---|---|---|---|
| 56195 | Zynq-7000 SoC 设计咨询：适用于 ES 芯片的设计为什么现在不能通过生产芯片启动？ | N/A | N/A |
| AR# 56272 | |
|---|---|
| 日期 | 05/28/2018 |
| 状态 | Active |
| Type | 已知问题 |
| 器件 | |