MC68HC705C Motorola, MC68HC705C Datasheet - Page 101

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MC68HC705C

Manufacturer Part Number
MC68HC705C
Description
HCMOS Microcontroller Unit
Manufacturer
Motorola
Datasheet

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9.1 Contents
9.2 Introduction
MC68HC705C8A — Rev. 2.0
MOTOROLA
Technical Data — MC68HC705C8A
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
9.4.7
9.4.8
9.5
9.5.1
9.5.2
9.5.3
9.6
This section describes erasable, programmable read-only
memory/one-time programmable read-only memory
(EPROM/OTPROM (PROM)) programming.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
EPROM/OTPROM (PROM) Programming . . . . . . . . . . . . . . .102
PROM Programming Routines . . . . . . . . . . . . . . . . . . . . . . . .109
Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
EPROM Erasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
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
Execute Program in RAM. . . . . . . . . . . . . . . . . . . . . . . . . .113
Dump PROM Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Option Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Mask Option Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Mask Option Register 2 . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Section 9. EPROM/OTPROM (PROM)
EPROM/OTPROM (PROM)
Technical Data
101

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