MC68HC705C Motorola, MC68HC705C Datasheet - Page 120

• Manufacturer Part Number: MC68HC705C
• Description: HCMOS Microcontroller Unit
• Manufacturer: Motorola

Serial Communications Interface (SCI)
10.3 Features
10.4 SCI Data Format
Technical Data
120
Features of the SCI module include:
The SCI uses the standard non-return-to-zero mark/space data format
illustrated in
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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
Serial Communications Interface (SCI)
Figure
10-1.
MC68HC705C8A — Rev. 2.0
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