mc68hc05j5ap Freescale Semiconductor, Inc, mc68hc05j5ap Datasheet - Page 3

• Manufacturer Part Number: mc68hc05j5ap
• Description: General Description The Mc68hc05j5a Is A Member Of The Low-cost High-performance M68hc05 Family Of 8-bit Microcontroller Units Mcus . The M68hc05 Family Is Based On The Customer-speci Ed Integrated Circuit Design Strategy. All Mcus In The Family
• Manufacturer: Freescale Semiconductor, Inc

Section
1.1
1.2
1.3
1.4
1.5
1.5.1
1.5.2
1.5.3
1.5.4
1.5.5
1.5.6
2.1
2.2
2.3
2.4
3.1
3.2
3.3
3.4
3.5
3.6
3.6.1
3.6.2
3.6.3
3.6.4
3.6.5
4.1
4.2
4.3
4.4
4.5
4.5.1
REV 2.1
FEATURES ...................................................................................................... 1-1
MASK OPTIONS.............................................................................................. 1-2
MCU STRUCTURE.......................................................................................... 1-2
PIN ASSIGNMENTS ........................................................................................ 1-4
FUNCTIONAL PIN DESCRIPTION.................................................................. 1-4
I/O AND CONTROL REGISTERS ................................................................... 2-2
RAM ................................................................................................................. 2-2
ROM................................................................................................................. 2-2
I/O REGISTERS SUMMARY ........................................................................... 2-3
REGISTERS .................................................................................................... 3-1
ACCUMULATOR (A)........................................................................................ 3-2
INDEX REGISTER (X) ..................................................................................... 3-2
STACK POINTER (SP) .................................................................................... 3-2
PROGRAM COUNTER (PC) ........................................................................... 3-2
CONDITION CODE REGISTER (CCR) ........................................................... 3-3
CPU INTERRUPT PROCESSING ................................................................... 4-1
RESET INTERRUPT SEQUENCE .................................................................. 4-2
SOFTWARE INTERRUPT (SWI) ..................................................................... 4-3
HARDWARE INTERRUPTS ............................................................................ 4-3
EXTERNAL INTERRUPT (IRQ)....................................................................... 4-3
V
OSC1, OSC2/R............................................................................................ 1-4
RESET......................................................................................................... 1-6
IRQ (MASKABLE INTERRUPT REQUEST)................................................ 1-6
PA0-PA7 ...................................................................................................... 1-6
PB0-PB5 ...................................................................................................... 1-7
Half Carry Bit (H-Bit) .................................................................................... 3-3
Interrupt Mask (I-Bit) .................................................................................... 3-3
Negative Bit (N-Bit) ...................................................................................... 3-3
Zero Bit (Z-Bit) ............................................................................................. 3-3
Carry/Borrow Bit (C-Bit) ............................................................................... 3-4
IRQ CONTROL/STATUS REGISTER (ICSR) $0A...................................... 4-5
DD
AND V
SS
Freescale Semiconductor, Inc.
.............................................................................................. 1-4
For More Information On This Product,
CENTRAL PROCESSING UNIT
GENERAL DESCRIPTION
TABLE OF CONTENTS
Go to: www.freescale.com
INTERRUPTS
SECTION 1
SECTION 2
SECTION 3
SECTION 4
July 16, 1999
MEMORY
GENERAL RELEASE SPECIFICATION
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