MC68HC705MC4 Datasheet, PDF (76/99 Pages) Motorola, Inc – Microcontrollers

MC68HC705MC4 Specification Rev. 1.5
SECTION 10 SERIAL COMMUNICATIONS INTERFACE
10.1 INTRODUCTION
The Serial Communications Interface (SCI) module allows high-speed asynchronous
communication with peripheral devices and other MCUs.
10.2 FEATURES
Features of the SCI module include the following:
• Standard Mark/Space Non-Return-to-Zero Format
• Full Duplex Operation
• 32 Programmable Baud Rates
• Programmable 8-Bit or 9-Bit Character Length
• Separately Enabled Transmitter and Receiver
• Two Receiver Wakeup Methods:
- Idle Line Wakeup
- Address Mark Wakeup
• Interrupt-Driven Operation Capability with Five Interrupt Flags:
- Transmitter Data Register Empty
- Transmission Complete
- Receiver Data Register Full
- Receiver Overrun
- Idle Receiver Input
• Receiver Framing Error Detection
• 1/16 Bit-Time Noise Detection
Section 10: Serial Communications Interface
MOTOROLA
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