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MC68HC908LJ24 Datasheet, PDF (50/464 Pages) Motorola, Inc – Microcontrollers | |||
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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 Figure 2-2 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$007F. Additional I/O registers have the following addresses:
⢠$FE00; SIM break status register, SBSR
⢠$FE01; SIM reset status register, SRSR
⢠$FE03; SIM break flag control register, SBFCR
⢠$FE04; Interrupt status register 1, INT1
⢠$FE05; Interrupt status register 2, INT2
⢠$FE06; Interrupt status register 3, INT3
⢠$FE07; Reserved
⢠$FE08; FLASH control register, FLCR
⢠$FE09; Reserved
⢠$FE0A; Reserved
⢠$FE0B; Reserved
⢠$FE0C; break address register high, BRKH
⢠$FE0D; break address register low, BRKL
⢠$FE0E; break status and control register, BRKSCR
⢠$FE0F; LVI status register, LVISR
⢠$FFCF; FLASH block protect register, FLBPR (FLASH register)
⢠$FFFF; COP control register, COPCTL
Data registers are shown in Figure 2-2, Table 2-1 is a list of vector
locations.
Data Sheet
50
MC68HC908LJ24/LK24 â Rev. 2
Memory Map
For More Information On This Product,
Go to: www.freescale.com
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