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Table of Contents
General Release Specification
MC68HC05C8A
—
Rev. 3.0
6
Table of Contents
MOTOROLA
3.3.3
3.3.4
3.3.5
Program Counter.................................................................33
Stack Pointer.......................................................................33
Condition Code Register.....................................................33
Section 4. Interrupts
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
Contents ...................................................................................35
Introduction...............................................................................35
Hardware Controlled Interrupt Sequence.................................37
Software Interrupt (SWI)...........................................................37
External Interrupt (IRQ) ............................................................39
Timer Interrupt..........................................................................39
Serial Communications Interrupt (SCI).....................................39
Serial Peripheral Interrupt (SPI)................................................40
Section 5. Resets
5.1
5.2
5.3
5.4
5.5
5.5.1
5.5.2
5.5.3
5.5.4
Contents ...................................................................................41
Introduction...............................................................................41
Power-On Reset (POR)............................................................42
RESET Pin................................................................................42
Computer Operating Properly (COP) Reset.............................42
Resetting the COP ..............................................................42
COP During Wait Mode.......................................................43
COP During Stop Mode.......................................................43
COP During Self-Check Mode ............................................43
Section 6. Low-Power Modes
Contents ...................................................................................45
Introduction...............................................................................45
Stop Mode ................................................................................46
Stop Recovery..........................................................................47
Wait Mode.................................................................................47
6.1
6.2
6.3
6.4
6.5
Section 7. Input/Output (I/O) Ports
Contents ...................................................................................49
Introduction...............................................................................49
Port A........................................................................................49
Port B........................................................................................50
7.1
7.2
7.3
7.4