MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 244

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MC68HC708AS48

Manufacturer Part Number
MC68HC708AS48
Description
Advance Information
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
Serial Communications Interface (SCI)
17.2 Introduction
17.3 Features
Advance Information
244
17.9
17.9.1
17.9.2
17.9.3
17.9.4
17.9.5
17.9.6
17.9.7
This section describes the serial communications interface module (SCI,
Version D), which allows high-speed asynchronous communications
with peripheral devices and other MCUs.
Features of the SCI module include:
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:
– Idle line wakeup
– Address mark wakeup
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .265
Serial Communications Interface (SCI)
SCI Control Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . . .265
SCI Control Register 2 . . . . . . . . . . . . . . . . . . . . . . . . . . .269
SCI Control Register 3 . . . . . . . . . . . . . . . . . . . . . . . . . . .271
SCI Status Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . .273
SCI Status Register 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . .278
SCI Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .279
SCI Baud Rate Register . . . . . . . . . . . . . . . . . . . . . . . . . .280
MC68HC708AS48
MOTOROLA
Rev. 4.0

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