MC68HC08AS32 Datasheet, PDF (83/394 Pages) Motorola, Inc – M68HC08 Family of 8-bit microcontroller units (MCUs)

Central Processor Unit (CPU)
Arithmetic/Logic Unit (ALU)
7.5 Arithmetic/Logic Unit (ALU)
The ALU performs the arithmetic and logic operations defined by the
instruction set.
Refer to the CPU08 Reference Manual (Motorola document number
CPU08RM/AD) for a description of the instructions and addressing
modes and more detail about CPU architecture.
7.6 CPU During Break Interrupts
If the break module is enabled, a break interrupt causes the CPU to
execute the software interrupt instruction (SWI) at the completion of the
current CPU instruction. See Section 11. Break Module (Break). The
program counter vectors to $FFFC–$FFFD ($FEFC–$FEFD in monitor
mode).
A return-from-interrupt instruction (RTI) in the break routine ends the
break interrupt and returns the MCU to normal operation if the break
interrupt has been deasserted.
MC68HC08AS32 — Rev. 3.0
MOTOROLA
Central Processor Unit (CPU)
Advance Information
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