MC68HC08XL36 Datasheet, PDF (228/362 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
SCI
I/O Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .252
SCI Control Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .253
SCI Control Register 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .256
SCI Control Register 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .259
SCI Status Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .262
SCI Status Register 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .266
SCI Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .267
SCI Baud Rate Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .268
Introduction
The SCI allows asynchronous communications with peripheral devices
and other MCUs.
Features
MC68HC08XL36
228
• 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
• Separate Receiver and Transmitter DMA Service 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
Serial Communications Interface Module (SCI)
For More Information On This Product,
Go to: www.freescale.com
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