XC908AS60ACFU Motorola Semiconductor Products, XC908AS60ACFU Datasheet - Page 244

• Manufacturer Part Number: XC908AS60ACFU
• Description: MC68HC908AZ60A, MC68HC908AS60A Hcmos Microcontroller Unit Technical Data
• Manufacturer: Motorola Semiconductor Products

Serial Communications Interface (SCI)
18.2 Introduction
18.3 Features
Technical Data
244
18.9
18.9.1
18.9.2
18.9.3
18.9.4
18.9.5
18.9.6
18.9.7
The SCI allows asynchronous communications with peripheral devices
and other MCUs.
The SCI module’s features include:
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Full Duplex Operation
Standard Mark/Space Non-Return-to-Zero (NRZ) Format
32 Programmable Baud Rates
Programmable 8-Bit or 9-Bit Character Length
Separately Enabled Transmitter and Receiver
Separate Receiver and Transmitter CPU Interrupt Requests
Programmable Transmitter Output Polarity
Two Receiver Wakeup Methods:
– Idle Line Wakeup
– Address Mark Wakeup
Interrupt-Driven Operation with Eight Interrupt Flags:
– Transmitter Empty
– Transmission Complete
– Receiver Full
I/O Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Serial Communications Interface (SCI)
SCI Control Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
SCI Control Register 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
SCI Control Register 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
SCI Status Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
SCI Status Register 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
SCI Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
SCI Baud Rate Register . . . . . . . . . . . . . . . . . . . . . . . . . . 279
MC68HC908AZ60A — Rev 2.0
MOTOROLA