Flash Interlock Register (Flashilock); Flash Interlock Register (Flashilock) Register Field Descriptions - Texas Instruments UCD3138 Technical Reference Manual

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15.2.22 Flash Interlock Register (FLASHILOCK)

Address FFFFFE98
31
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 15-31. Flash Interlock Register (FLASHILOCK) Register Field Descriptions
Bit Field
31-0 INTERLOCK_KEY
SNIU028A – February 2016 – Revised April 2016
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Figure 15-26. Flash Interlock Register (FLASHILOCK)
INTERLOCK_KEY
R/W-0000 0000 0000 0000 0000 0000 0000 0000
Type Reset
R/W 0000
Flash Interlock Key. Register must be set to: 0x42DC157E prior to every Data Flash
0000
write/mass erase/page erase or
0000
0x42DC157E prior to every Program Flash#0 write/mass erase/page erase or
0000
0x6C97D0C5 prior to every Program Flash#1 write/mass erase/page erase or
0000
0000 0x184219B3 prior to every Program Flash#2 write/mass erase/page erase or
0000
0x5973EF21 prior to every Program Flash#3 write/mass erase/page erase.
0000
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.
Copyright © 2016, Texas Instruments Incorporated
DEC – Address Manager Registers Reference
Description
0
495
Memory