MC68HC705 MOTOROLA [Motorola, Inc], MC68HC705 Datasheet - Page 8

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MC68HC705

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

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Table of Contents
Technical Data
8
7.5
7.5.1
7.5.2
7.5.3
7.6
8.1
8.2
8.3
8.3.1
8.3.2
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
9.1
9.2
9.3
9.3.1
9.3.2
9.4
9.4.1
9.4.2
9.4.3
9.4.4
9.4.5
9.4.6
Port C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Port D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
Timer Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
Timer I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
EPROM/OTPROM (PROM) Programming . . . . . . . . . . . . . . .102
PROM Programming Routines . . . . . . . . . . . . . . . . . . . . . . . .109
Port C Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Data Direction Register C. . . . . . . . . . . . . . . . . . . . . . . . . . .84
Port C Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Input Capture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Output Compare. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Timer Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Timer Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Timer Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Alternate Timer Registers. . . . . . . . . . . . . . . . . . . . . . . . . . .96
Input Capture Registers . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Output Compare Registers. . . . . . . . . . . . . . . . . . . . . . . . . .99
Program Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
Preprogramming Steps . . . . . . . . . . . . . . . . . . . . . . . . . . .108
Program and Verify PROM. . . . . . . . . . . . . . . . . . . . . . . . .109
Verify PROM Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Secure PROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Secure PROM and Verify . . . . . . . . . . . . . . . . . . . . . . . . . .111
Secure PROM and Dump. . . . . . . . . . . . . . . . . . . . . . . . . .111
Load Program into RAM and Execute . . . . . . . . . . . . . . . .112
Section 9. EPROM/OTPROM (PROM)
Section 8. Capture/Compare Timer
Table of Contents
MC68HC705C8A — Rev. 2.0
MOTOROLA

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