SNIU028D February 2016 – September 2020 UCD3138 , UCD3138064 , UCD3138064A , UCD3138128 , UCD3138A , UCD3138A64
Address FFFFFE98
31 | 0 |
INTERLOCK_KEY |
R/W-0000 0000 0000 0000 0000 0000 0000 0000 |
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
31-0 | INTERLOCK_KEY | R/W | 0000 0000 0000 0000 0000 0000 0000 0000 | Flash Interlock Key. Register must be set to: 0x42DC157E prior to every Data Flash write/mass erase/page erase or 0x42DC157E prior to every Program Flash#0 write/mass erase/page erase or 0x6C97D0C5 prior to every Program Flash#1 write/mass erase/page erase or 0x184219B3 prior to every Program Flash#2 write/mass erase/page erase or 0x5973EF21 prior to every Program Flash#3 write/mass erase/page erase. If the Interlock Key is not set, the write/erase cycle to the Flash will not initiate. This register will clear upon the completion of a write/erase cycle to the Flash modules. |