MC68HC08AB16A Datasheet, PDF (237/380 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Serial Communications Interface Module (SCI)
Functional Description
15.5.1 Data Format
The SCI uses the standard non-return-to-zero mark/space data format
illustrated in Figure 15-3.
8-BIT DATA FORMAT
BIT M IN SCC1 CLEAR
PARITY
BIT
NEXT
START
START
BIT BIT 0 BIT 1 BIT 2 BIT 3 BIT 4 BIT 5 BIT 6 BIT 7 ^STOP BIT
BIT
START
9-BIT DATA FORMAT
BIT M IN SCC1 SET
PARITY
BIT
NEXT
START
BIT BIT 0 BIT 1 BIT 2 BIT 3 BIT 4 BIT 5 BIT 6 BIT 7 BIT 8 STOP BIT
BIT
Figure 15-3. SCI Data Formats
15.5.2 Transmitter
Figure 15-4 shows the structure of the SCI transmitter.
MC68HC08AB16A — Rev. 2.0
MOTOROLA
Serial Communications Interface Module (SCI)
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Technical Data
237