MC68HC705J MOTOROLA [Motorola, Inc], MC68HC705J Datasheet - Page 16

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MC68HC705J

Manufacturer Part Number
MC68HC705J
Description
Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet

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List of Figures
Technical Data
16
Figure
4-3
4-4
4-5
4-6
4-7
5-1
5-2
6-1
6-2
6-3
6-4
6-5
6-6
6-7
6-8
6-9
7-1
8-1
8-2
8-3
8-4
9-1
9-2
9-3
9-4
External Reset Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
External Interrupt Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
External Interrupt Timing . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Interrupt Stacking Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Interrupt Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Stop Mode Recovery Timing . . . . . . . . . . . . . . . . . . . . . . . .85
Stop/Halt/Wait Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Parallel I/O Port Register Summary . . . . . . . . . . . . . . . . . . . 88
Port A Data Register (PORTA). . . . . . . . . . . . . . . . . . . . . . . 89
Data Direction Register A (DDRA) . . . . . . . . . . . . . . . . . . . .90
Port A I/O Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Pulldown Register A (PDRA) . . . . . . . . . . . . . . . . . . . . . . . .91
Port B Data Register (PORTB). . . . . . . . . . . . . . . . . . . . . . . 92
Data Direction Register B (DDRB) . . . . . . . . . . . . . . . . . . . .93
Port B I/O Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Pulldown Register B (PDRB) . . . . . . . . . . . . . . . . . . . . . . . .94
COP Register (COPR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
IRQ Module Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . 102
Interrupt Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
IRQ Status and Control Register (ISCR) . . . . . . . . . . . . . . 106
External Interrupt Timing . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Multifunction Timer Block Diagram. . . . . . . . . . . . . . . . . . .110
I/O Register Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Timer Status and Control Register (TSCR) . . . . . . . . . . . . 112
Timer Counter Register (TCR) . . . . . . . . . . . . . . . . . . . . . . 114
List of Figures
Title
MC68HC705J1A — Rev. 4.0
MOTOROLA
Page

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