CM68HC05C4ACFB Motorola / Freescale Semiconductor, CM68HC05C4ACFB Datasheet - Page 63

• Manufacturer Part Number: CM68HC05C4ACFB
• Description: Microcontroller
• Manufacturer: Motorola / Freescale Semiconductor

General Release Specification — MC68HC05C4A
9.1 Contents
9.2 Introduction
MC68HC05C4A
MOTOROLA
Section 9. Serial Communications Interface (SCI)
—
Rev. 4.0
9.2
9.3
9.4
9.5
9.5.1
9.5.1.1
9.5.1.2
9.5.1.3
9.5.1.4
9.5.1.5
9.5.2
9.5.2.1
9.5.2.2
9.5.2.3
9.5.2.4
9.5.2.5
9.5.2.6
9.6
9.6.1
9.6.2
9.6.3
9.6.4
9.6.5
The serial communications interface (SCI) module allows high-speed
asynchronous communication with peripheral devices and other MCUs.
Introduction ...............................................................................63
Features....................................................................................64
SCI Data Format.......................................................................64
SCI Operation ...........................................................................65
SCI I/O Registers......................................................................71
Serial Communications Interface (SCI)
Transmitter ..........................................................................65
Receiver ..............................................................................68
SCI Data Register ...............................................................71
SCI Control Register 1 ........................................................72
SCI Control Register 2 ........................................................74
SCI Status Register.............................................................76
Baud Rate Register .............................................................78
Character Length .............................................................65
Character Transmission ...................................................65
Break Characters .............................................................67
Idle Characters.................................................................67
Transmitter Interrupts.......................................................67
Character Length .............................................................69
Character Reception ........................................................69
Receiver Wakeup.............................................................69
Receiver Noise Immunity .................................................70
Framing Errors .................................................................70
Receiver Interrupts...........................................................70
General Release Specification
63