mcf5282 Freescale Semiconductor, Inc, mcf5282 Datasheet - Page 123

• Manufacturer Part Number: mcf5282
• Manufacturer: Freescale Semiconductor, Inc

The security features of the CFM are described in
Freescale Semiconductor
29–16
15–0
Bits
SEC[15:0]
Name
—
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
Reserved. Should be cleared.
Security field. The SEC bits define the security state of the device; see below.
1
Table 6-6. CFMSEC Field Descriptions
The 0x4AC8 value was chosen because it represents the ColdFire Halt
instruction, making it unlikely that compiled code accidentally programmed
at the security longword in the Flash configuration field location would
unintentionally secure the device.
All other combinations
SEC[15:0]
0x4AC8
Section 6.5, “Flash Security
Description
Flash unsecured
Flash secured
Description
Operation.”
ColdFire Flash Module (CFM)
1
6-11