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MC908GR32AVFAE Datasheet, PDF (125/314 Pages) Freescale Semiconductor, Inc – Microcontrollers | |||
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Exiting Wait Mode
10.14 Exiting Wait Mode
These events restart the CPU clock and load the program counter with the reset vector or with an interrupt
vector:
⢠External reset â A low on the RST pin resets the MCU and loads the program counter with the
contents of locations $FFFE and $FFFF.
⢠External interrupt â A high-to-low transition on an external interrupt pin (IRQ pin) loads the
program counter with the contents of locations: $FFFA and $FFFB; IRQ pin.
⢠Break interrupt â In emulation mode, a break interrupt loads the program counter with the contents
of $FFFC and $FFFD.
⢠Computer operating properly (COP) module reset â A timeout of the COP counter resets the MCU
and loads the program counter with the contents of $FFFE and $FFFF.
⢠Low-voltage inhibit (LVI) module reset â A power supply voltage below the VTRIPF voltage resets
the MCU and loads the program counter with the contents of locations $FFFE and $FFFF.
⢠Clock generator module (CGM) interrupt â A CPU interrupt request from the CGM loads the
program counter with the contents of $FFF8 and $FFF9.
⢠Keyboard interrupt (KBI) module â A CPU interrupt request from the KBI module loads the
program counter with the contents of $FFE0 and $FFE1.
⢠Timer 1 interface (TIM1) module interrupt â A CPU interrupt request from the TIM1 loads the
program counter with the contents of:
â $FFF2 and $FFF3; TIM1 overflow
â $FFF4 and $FFF5; TIM1 channel 1
â $FFF6 and $FFF7; TIM1 channel 0
⢠Timer 2 interface module (TIM2) interrupt â A CPU interrupt request from the TIM2 loads the
program counter with the contents of:
â $FFEC and $FFED; TIM2 overflow
â $FFEE and $FFEF; TIM2 channel 1
â $FFF0 and $FFF1; TIM2 channel 0
â $FFCC and $FFCD; TIM2 channel 5
â $FFCE and $FFCF; TIM2 channel 4
â $FFD0 and $FFD1; TIM2 channel 3
â $FFD2 and $FFD3; TIM2 channel 2
⢠Serial peripheral interface (SPI) module interrupt â A CPU interrupt request from the SPI loads
the program counter with the contents of:
â $FFE8 and $FFE9; SPI transmitter
â $FFEA and $FFEB; SPI receiver
⢠Serial communications interface (SCI) module interrupt â A CPU interrupt request from the SCI
loads the program counter with the contents of:
â $FFE2 and $FFE3; SCI transmitter
â $FFE4 and $FFE5; SCI receiver
â $FFE6 and $FFE7; SCI receiver error
⢠Analog-to-digital converter (ADC) module interrupt â 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 â A CPU interrupt request from the TBM loads the program
counter with the contents of: $FFDC and $FFDD; TBM interrupt.
MC68HC908GR60A ⢠MC68HC908GR48A ⢠MC68HC908GR32A Data Sheet, Rev. 5
Freescale Semiconductor
125
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