mc68hc705c4acfn Freescale Semiconductor, Inc, mc68hc705c4acfn Datasheet - Page 73
mc68hc705c4acfn
Manufacturer Part Number
mc68hc705c4acfn
Description
M68hc05 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC705C4ACFN.pdf
(210 pages)
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7.1 Contents
7.2 Introduction
MC68HC705C4A • MC68HSC705C4A — Rev. 3.0
MOTOROLA
Technical Data — MC68HC705C4A • MC68HSC705C4A
7.2
7.3
7.3.1
7.3.2
7.3.3
7.4
7.4.1
7.4.2
7.4.3
7.5
7.5.1
7.5.2
7.5.3
7.6
This section describes the programming of ports A, B, C, and D.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Port A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Port B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Port C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Port D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Port A Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Data Direction Register A. . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Port A Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Port B Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Data Direction Register B. . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Port B Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Port C Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Data Direction Register C. . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Port C Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Section 7. Parallel Input/Output (I/O)
Parallel Input/Output (I/O)
Technical Data
73
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