Freescale Semiconductor, Inc.
Parallel Input/Output
PAREN — Pull-up assignment register enable
1 = PPAR register enabled; pull-ups can be enabled using PPAR.
0 = PPAR register disabled; all pull-ups disabled.
NOSEC — EEPROM security disabled (refer to Operating Modes and
On-Chip Memory)
1 = Disable security.
0 = Enable security.
NOCOP — COP system disable (refer to Resets and Interrupts)
1 = COP system disabled.
0 = COP system enabled (forces reset on timeout).
ROMON — ROM enable (refer to Operating Modes and On-Chip
Memory)
1 = ROM present in the memory map.
0 = ROM disabled from the memory map.
EEON — EEPROM enable (refer to Operating Modes and On-Chip
Memory)
1 = EEPROM is present in the memory map.
0 = EEPROM is disabled from the memory map.
Technical Data
MC68HC11P2 — Rev 1.0
Parallel Input/Output
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