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MC68HC08AB16A Datasheet, PDF (42/380 Pages) Motorola, Inc – HCMOS Microcontroller Unit | |||
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Memory Map
Freescale Semiconductor, Inc.
2.4 Reserved Memory Locations
Accessing a reserved location can have unpredictable effects on MCU
operation. In the Figure 2-1 and in register figures in this document,
reserved locations are marked with the word Reserved or with the
letter R.
2.5 Input/Output (I/O) Section
Most of the control, status, and data registers are in the zero page
$0000â$004F. Additional I/O registers have the following addresses:
⢠$FE00; SIM break status register, SBSR
⢠$FE01; SIM reset status register, SRSR
⢠$FE03; SIM break flag control register, SBFCR
⢠$FE0C; break address register high, BRKH
⢠$FE0D; break address register low, BRKL
⢠$FE0E; break status and control register, BRKSCR
⢠$FE0F; LVI status register, LVISR
⢠$FE10; EEPROM divider mask option register high, EEDIVHMOR
⢠$FE11; EEPROM divider mask option register low, EEDIVLMOR
⢠$FE1A; EEPROM timebase divider register high, EEDIVH
⢠$FE1B; EEPROM timebase divider register low, EEDIVL
⢠$FE1C; EEPROM non-volatile register, EENVR
⢠$FE1D; EEPROM control register, EECR
⢠$FE1F; EEPROM array configuration register, EEACR
⢠$FFFF; COP control register, COPCTL
Data registers are shown in Figure 2-2, Table 2-1 is a list of vector
locations.
Technical Data
42
MC68HC08AB16A â Rev. 2.0
Memory Map
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