MC68HC705 MOTOROLA [Motorola, Inc], MC68HC705 Datasheet - Page 7

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MC68HC705

Manufacturer Part Number
MC68HC705
Description
HCMOS Microcontroller Unit
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet

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MC68HC705C8A — Rev. 2.0
MOTOROLA
5.3
5.3.1
5.3.2
5.3.3
5.3.4
6.1
6.2
6.3
6.3.1
6.3.2
6.3.3
6.3.4
6.4
6.4.1
6.4.2
6.5
7.1
7.2
7.3
7.3.1
7.3.2
7.3.3
7.4
7.4.1
7.4.2
7.4.3
Reset Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Data-Retention Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Port A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Port B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Power-On Reset (POR) . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
External Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Programmable and Non-Programmable
Clock Monitor Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
SCI During Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
SPI During Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Programmable COP Watchdog in Stop Mode . . . . . . . . . . .69
Non-Programmable COP Watchdog in Stop Mode . . . . . . .71
Programmable COP Watchdog in Wait Mode . . . . . . . . . . .73
Non-Programmable COP Watchdog in Wait Mode . . . . . . .73
Port A Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Data Direction Register A. . . . . . . . . . . . . . . . . . . . . . . . . . .77
Port A Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Port B Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Data Direction Register B. . . . . . . . . . . . . . . . . . . . . . . . . . .80
Port B Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
COP Watchdog Resets . . . . . . . . . . . . . . . . . . . . . . . . . .60
Section 7. Parallel Input/Output (I/O)
Table of Contents
Section 6. Low-Power Modes
Table of Contents
Technical Data
7

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