mc68hc08qa24 Freescale Semiconductor, Inc, mc68hc08qa24 Datasheet - Page 210

• Manufacturer Part Number: mc68hc08qa24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Serial Communications Interface (SCI)
17.2 Introduction
17.3 Features
Technical Data
208
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:
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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 central processor unit (CPU)
interrupt requests
Programmable transmitter output polarity
Two receiver wakeup methods:
– Idle line wakeup
– Address mark wakeup
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Serial Communications Interface (SCI)
SCI Control Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . . .225
SCI Control Register 2 . . . . . . . . . . . . . . . . . . . . . . . . . . .228
SCI Control Register 3 . . . . . . . . . . . . . . . . . . . . . . . . . . .231
SCI Status Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
SCI Status Register 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
SCI Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
SCI Baud Rate Register . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Freescale Semiconductor
MC68HC08QA24