MC68HC705P9CDW FREESCALE [Freescale Semiconductor, Inc], MC68HC705P9CDW Datasheet - Page 75

• Manufacturer Part Number: MC68HC705P9CDW
• Description: Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Technical Data — MC68HC705P9
6.1 Contents
6.2 Stop Mode
MC68HC705P9 — Rev. 4.0
MOTOROLA
6.2
6.3
6.4
The STOP instruction puts the MCU in its lowest power-consumption
mode and has the following effects on the MCU:
The STOP instruction does not affect any other registers or any I/O lines.
The following events bring the MCU out of stop mode:
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Stops the internal oscillator, the CPU clock, and the internal clock,
turning off the capture/compare timer, the COP watchdog, the
SIOP, and the ADC
Clears the I bit in the condition code register, enabling external
interrupts
Clears the ICIE, OCIE, and TOIE bits in the timer control register,
disabling further timer interrupts
An external interrupt signal on the IRQ/V
transition on the IRQ/V
contents of locations $1FFA and $1FFB. The timer resumes
counting from the last value before the STOP instruction.
External reset — A logic zero on the RESET pin resets the MCU
and loads the program counter with the contents of locations
$1FFE and $1FFF. The timer begins counting from $FFFC.
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Data-Retention Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
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Low Power Modes
Section 6. Low Power Modes
PP
pin loads the program counter with the
PP
pin — A high-to-low
Technical Data
75