Visible to Intel only — GUID: pvt1630573235981
Ixiasoft
Visible to Intel only — GUID: pvt1630573235981
Ixiasoft
2.2.2.6.1. Flash Region Access Control and Immutability
The access permission of CFM0 is updated while the other flash region access permission remains the same as the standard MAX® 10 devices.
The JTAG secure mode and verify protect features determine the CFM operation permission. The table list the operations permitted based on the security settings.
Operation | JTAG Secure Mode Disabled | JTAG Secure Mode Enabled | ||
---|---|---|---|---|
Verify Protect Disabled | Verify Protect Enabled | Verify Protect Disabled | Verify Protect Enabled | |
ISP through core | Illegal operation | Illegal operation | Illegal operation | Illegal operation |
ISP through JTAG pins | Full access with condition 7 | Program and erase only 8 | No access | No access |
Real-time ISP through core | Full access with condition 7 | Program and erase only 8 | No access | No access |
Real-time ISP through JTAG pins | Full access with condition 7 | Program and erase only 8 | No access | No access |
UFM interface through core 9 | Full access with condition 7 | Full access with condition 7 | Full access with condition 7 | Full access with condition 7 |
- Dual image configuration—full access to CFM0 is applicable when the device is configured with CFM0 image. Otherwise, no access.
- Single image configuration—full access.
- Dual image configuration—program and erase only to CFM0 is applicable when the device is configured with CFM0 image. Otherwise, no access.
- Single image configuration—program and erase only.