GENERAL RELEASE SPECIFICATION
MOTOROLA
MC68HC05P9A
iv
Rev. 2.0
TABLE OF CONTENTS
Section
Title
Page
SECTION 4
INTERRUPTS
4.1
Hardware Controlled Interrupt Sequence ........................................................ 4-2
4.2
Timer Interrupt ................................................................................................. 4-3
4.3
External Interrupt ............................................................................................. 4-4
4.4
Optional External Interrupts (PA0-PA7) ........................................................... 4-6
4.5
Software Interrupt (SWI) ................................................................................. 4-6
SECTION 5
RESETS
5.1
Power-On Reset (POR) .................................................................................. 5-1
5.2
RESET Pin ...................................................................................................... 5-1
5.3
Computer Operating Properly (COP) Reset .................................................... 5-1
SECTION 6
LOW POWER MODES
6.1
STOP Instruction.............................................................................................. 6-1
6.2
Stop Mode ....................................................................................................... 6-1
6.3
Halt Mode......................................................................................................... 6-2
6.2
WAIT Instruction............................................................................................... 6-2
SECTION 7
SIMPLE SERIAL INPUT/OUTPUT PORT
7.1
Signal Format .................................................................................................. 7-1
7.1.1
Serial Clock (SCK) ...................................................................................... 7-1
7.1.2
Serial Data Out (SDO) ................................................................................ 7-2
7.1.3
Serial Data In (SDI) ..................................................................................... 7-2
7.2
SIOP Registers ............................................................................................... 7-3
7.2.1
SIOP Control Register (SCR) ..................................................................... 7-3
7.2.2
SIOP Status Register (SSR) ....................................................................... 7-4
7.2.3
SIOP Data Register (SDR) ......................................................................... 7-5
SECTION 8
TIMER
8.1
Counter ........................................................................................................... 8-2
8.2
Output Compare Register ............................................................................... 8-3
8.3
Input Capture Register .................................................................................... 8-4
8.4
Timer Control Register (TCR) $12 .................................................................. 8-5
8.5
Timer Status Register (TSR) $13 .................................................................... 8-6