MC68HC705C Motorola, MC68HC705C Datasheet - Page 119

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MC68HC705C

Manufacturer Part Number
MC68HC705C
Description
HCMOS Microcontroller Unit
Manufacturer
Motorola
Datasheet

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10.1 Contents
10.2 Introduction
MC68HC705C8A — Rev. 2.0
MOTOROLA
Technical Data — MC68HC705C8A
Section 10. Serial Communications Interface (SCI)
10.2
10.3
10.4
10.5
10.5.1
10.5.2
10.6
10.6.1
10.6.2
10.6.3
10.6.4
10.6.5
The serial communications interface (SCI) module allows high-speed
asynchronous communication with peripheral devices and other
microcontroller units (MCUs).
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120
SCI Data Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120
SCI Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121
SCI I/O Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127
Serial Communications Interface (SCI)
Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121
Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
SCI Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127
SCI Control Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
SCI Control Register 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . .129
SCI Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
Baud Rate Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Technical Data
119

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