MC68HC908GP20 Datasheet, PDF (253/406 Pages) Freescale Semiconductor, Inc – M68HC08 Microcontrollers

18.5.1 Data Format
The SCI uses the standard non-return-to-zero mark/space data format
illustrated in Figure 18-3.
START
BIT
BIT 0
BIT 1
BIT 2
8-BIT DATA FORMAT
BIT M IN SCC1 CLEAR
BIT 3 BIT 4 BIT 5 BIT 6
PARITY
BIT
BIT 7
STOP
BIT
NEXT
START
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 18-3. SCI Data Formats
18.5.2 Transmitter
Figure 18-4 shows the structure of the SCI transmitter.
The baud rate clock source for the SCI can be selected via the
configuration bit, SCIBDSRC. Source selection values are shown in
Figure 18-4.
MC68HC908GP20 — Rev 2.1
Freescale Semiconductor
Advance Information
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