mc68hc908gr8vp Freescale Semiconductor, Inc, mc68hc908gr8vp Datasheet - Page 161

• Manufacturer Part Number: mc68hc908gr8vp
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Chapter 18
Serial Communications Interface (SCI)
18.1 Introduction
This section describes the serial communications interface (SCI) module, which allows high-speed
asynchronous communications with peripheral devices and other MCUs.
18.2 Features
Features of the SCI module include:
Freescale Semiconductor
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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:
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Interrupt-driven operation with eight interrupt flags:
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Receiver framing error detection
Hardware parity checking
1/16 bit-time noise detection
Configuration register bit, SCIBDSRC, to allow selection of baud rate clock source
Idle line wakeup
Address mark wakeup
Transmitter empty
Transmission complete
Receiver full
Idle receiver input
Receiver overrun
Noise error
Framing error
Parity error
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
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