mc68hc08az60 Freescale Semiconductor, Inc, mc68hc08az60 Datasheet - Page 72

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

Central Processor Unit (CPU)
Arithmetic/logic unit (ALU)
Low-power modes
WAIT mode
STOP mode
MC68HC08AZ60 — Rev 1.0
72
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.
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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