mc68hc908kx8 Freescale Semiconductor, Inc, mc68hc908kx8 Datasheet - Page 111

• Manufacturer Part Number: mc68hc908kx8
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 12
Serial Communications Interface Module (SCI)
12.1 Introduction
The serial communications interface (SCI) allows asynchronous communications with peripheral devices
and other microcontroller unit (MCU).
12.2 Features
The SCI module’s features include:
Freescale Semiconductor
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Full-duplex operation
Standard mark/space non-return-to-zero (NRZ) format
Choice of baud rate clock source:
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32 programmable baud rates
Programmable 8-bit or 9-bit character length
Separately enabled transmitter and receiver
Separate receiver and transmitter central processor unit (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
Internal bus clock
CGMXCLK
Idle line wakeup
Address mark wakeup
Transmitter empty
Transmission complete
Receiver full
Idle receiver input
Receiver overrun
Noise error
Framing error
Parity error
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 Data Sheet, Rev. 2.1
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