MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 243
MC68HC708AS48
Manufacturer Part Number
MC68HC708AS48
Description
Advance Information
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC708AS48.pdf
(396 pages)
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17.1 Contents
MC68HC708AS48
MOTOROLA
Advance Information — MC68HC708AS48
Section 17. Serial Communications Interface (SCI)
—
Rev. 4.0
17.2
17.3
17.4
17.4.1
17.4.2
17.4.3
17.4.4
17.4.5
17.4.6
17.4.7
17.4.8
17.4.9
17.4.10
17.4.11
17.4.12
17.4.13
17.4.14
17.5
17.5.1
17.6
17.6.1
17.6.2
17.7
17.8
17.8.1
17.8.2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .244
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .244
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .245
Receiver Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .262
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .263
SCI During Break Module Interrupts. . . . . . . . . . . . . . . . . . . .263
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .264
Serial Communications Interface (SCI)
Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .248
Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .248
Character Length. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .248
Character Transmission . . . . . . . . . . . . . . . . . . . . . . . . . .249
Break Characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .252
Idle Characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .253
Inversion of Transmitted Output . . . . . . . . . . . . . . . . . . . .253
Transmitter Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . .254
Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .254
Character Length. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257
Character Reception . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257
Data Sampling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .258
Framing Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260
Receiver Wakeup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260
Error Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .262
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .263
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .263
PTE0/TxD (Transmit Data) . . . . . . . . . . . . . . . . . . . . . . . .264
PTE1/RxD (Receive Data) . . . . . . . . . . . . . . . . . . . . . . . .264
Advance Information
243
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