mc68hc908as60 Freescale Semiconductor, Inc, mc68hc908as60 Datasheet - Page 121

• Manufacturer Part Number: mc68hc908as60
• Description: Mc68hc908as60 Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

8.5 Arithmetic/Logic Unit (ALU)
8.6 Low-Power Modes
8.6.1 Wait Mode
8.6.2 Stop Mode
MC68HC908AS60 — Rev. 1.0
The ALU performs the arithmetic and logic operations defined by the
instruction set.
Refer to the CPU08 Reference Manual (Motorola document order
number CPU08RM/AD) for a description of the instructions and
addressing modes and more detail about CPU architecture.
The WAIT and STOP instructions put the MCU in low power-
consumption standby modes.
The WAIT instruction:
The STOP instruction:
After exiting stop mode, the CPU clock begins running after the oscillator
stabilization delay.
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Clears the interrupt mask (I bit) in the condition code register,
enabling interrupts. After exit from wait mode by interrupt, the I bit
remains clear. After exit by reset, the I bit is set.
Disables the CPU clock
Clears the interrupt mask (I bit) in the condition code register,
enabling external interrupts. After exit from stop mode by external
interrupt, the I bit remains clear. After exit by reset, the I bit is set.
Disables the CPU clock
Central Processor Unit (CPU)
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Central Processor Unit (CPU)
Arithmetic/Logic Unit (ALU)
Technical Data