MC68HC908AB32 MOTOROLA [Motorola, Inc], MC68HC908AB32 Datasheet - Page 239

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MC68HC908AB32

Manufacturer Part Number
MC68HC908AB32
Description
HCMOS Microcontroller Unit
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet

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15.1 Contents
MC68HC908AB32
MOTOROLA
Technical Data — MC68HC908AB32
Section 15. Serial Communications Interface Module
Rev. 1.0
15.2
15.3
15.4
15.5
15.5.1
15.5.2
15.5.2.1
15.5.2.2
15.5.2.3
15.5.2.4
15.5.2.5
15.5.2.6
15.5.3
15.5.3.1
15.5.3.2
15.5.3.3
15.5.3.4
15.5.3.5
15.5.3.6
15.5.3.7
15.5.3.8
15.6
15.6.1
15.6.2
15.7
15.8
15.8.1
Freescale Semiconductor, Inc.
Serial Communications Interface Module (SCI)
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Pin Name Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
SCI During Break Module Interrupts. . . . . . . . . . . . . . . . . . . . 260
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
PTE0/TxD (Transmit Data). . . . . . . . . . . . . . . . . . . . . . . . . 260
Character Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Character Transmission . . . . . . . . . . . . . . . . . . . . . . . . . 247
Break Characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Idle Characters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Inversion of Transmitted Output. . . . . . . . . . . . . . . . . . . 249
Transmitter Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Character Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Character Reception . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Data Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Framing Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Baud Rate Tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Receiver Wakeup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Receiver Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Error Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Go to: www.freescale.com
Technical Data
(SCI)
239

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