68HC908GR Datasheet, PDF (58/408 Pages) Motorola, Inc – Microcontrollers

Freescale Semiconductor, Inc.
Low Power Modes
– $FFEC and $FFED; TIM2 overflow
– $FFF0 and $FFF1; TIM2 channel 0
• Serial peripheral interface module (SPI) interrupt — A CPU
interrupt request from the SPI loads the program counter with the
contents of:
– $FFE8 and $FFE9; SPI transmitter
– $FFEA and $FFEB; SPI receiver
• Serial communications interface module (SCI) interrupt — A CPU
interrupt request from the SCI loads the program counter with the
contents of:
– $FFE2 and $FFE3; SCI transmitter
– $FFE4 and $FFE5; SCI receiver
– $FFE6 and $FFE7; SCI receiver error
• Analog-to-digital converter module (ADC) interrupt — A CPU
interrupt request from the ADC loads the program counter with the
contents of: $FFDE and $FFDF; ADC conversion complete.
• Timebase module (TBM) interrupt — A CPU interrupt request from
the TBM loads the program counter with the contents of: $FFDC
and $FFDD; TBM interrupt.
3.16 Exiting Stop Mode
These events restart the system clocks and load the program counter
with the reset vector or with an interrupt vector:
• External reset — A logic 0 on the RST pin resets the MCU and
loads the program counter with the contents of locations $FFFE
and $FFFF.
• External interrupt — A high-to-low transition on an external
interrupt pin loads the program counter with the contents of
locations:
– $FFFA and $FFFB; IRQ pin
– $FFDE and $FFDF; keyboard interrupt pins
Technical Data
58
MC68HC908GR8 — Rev 4.0
Low Power Modes
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