MC68HC08AZ16 Datasheet, PDF (128/527 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Mask Options
Functional description
COPRS — COP rate select
COPRS selects the COP timeout period.
1 = COP timeout period is 2¹⁸ — 2⁴ CGMXCLK cycles.
0 = COP timeout period is 2¹³ — 2⁴ CGMXCLK cycles.
STOP — STOP enable bit
STOP enables the STOP instruction.
1 = STOP instruction enabled
0 = STOP instruction treated as illegal opcode
COPD — COP disable bit
COPD disables the COP module. See
Computer Operating Properly Module (COP) on page 149
1 = COP module disabled
0 = COP module enabled
Bit 7
6
5
4
3
2
1
Bit 0
MORB
$003F
Read:
Write:
EESEC
Reset:
Unaffected by reset
= Unimplemented
Figure 10. Mask option register B (MORB)
EESEC — EEPROM security enable bit.
EESEC enables the EEPROM security function. Setting EESEC
prevents program/erase access to locations $8F0 - $8FF of the
EEPROM array and to the EEACR/EENVR configuration registers.
See MC68HC08AZ32 EEPROM Security on page 48.
1 = EEPROM security function enabled
0 = EEPROM security function disabled
3-morrom
MOTOROLA
Mask Options
MC68HC08AZ32
127