mc68hc08az60 Freescale Semiconductor, Inc, mc68hc08az60 Datasheet - Page 132

• Manufacturer Part Number: mc68hc08az60
• Description: M68hc08 Family Of 8-bit Microcontroller Units Mcus
• Manufacturer: Freescale Semiconductor, Inc

Mask Options
Mask Option Register
MC68HC08AZ60 — Rev 1.0
132
The mask option register ($001F) is used in the initialization of various
options. For free compatibility with the emulator OTP
(MC68HC908AZ60), a write to $001F in the MC68HC08AZ60 has no
effect on MCU operation.
LVISTOP — LVI Stop Mode Enable Bit
ROMSEC — ROM Security Bit
LVIRST — LVI Reset Enable Bit
Reset:
Read: LVISTOP ROMSEC
Write:
Freescale Semiconductor, Inc.
•
•
LVISTOP enables the LVI module in stop mode. (See
Low-Voltage Inhibit (LVI)
ROMSEC enables the RM security feature. Setting the ROMSEC bit
prevents reading of the ROM contents Acccess to the ROM is denied
to unauthorized users of customer-specified software.
LVIRST enables the reset signal from the LVI module. (See
Low-Voltage Inhibit (LVI)
For More Information On This Product,
1 = LVI enabled during stop mode
0 = LVI disabled during stop mode
1 = ROM security enabled
0 = ROM security disabled
1 = LVI module resets enabled
0 = LVI module resets disabled
Stop instruction
Computer operating properly module (COP)
Bit 7
R
R
Figure 1. Configuration Register (CONFIG-1)
Go to: www.freescale.com
= Reserved
R
6
Mask Options
LVIRST
R
5
on page 159).
on page 159).
LVIPWR
Unaffected by Reset
R
4
SSREC
R
3
COPRS
R
2
STOP
R
1
MOTOROLA
COPD
Bit 0
2-mops
R