MC68HC908AB32 Datasheet, PDF (245/392 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Serial Communications Interface Module (SCI)
15.5.1 Data Format
The SCI uses the standard non-return-to-zero mark/space data format
illustrated in Figure 15-3.
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 15-3. SCI Data Formats
15.5.2 Transmitter
Figure 15-4 shows the structure of the SCI transmitter.
MC68HC908AB32 — Rev. 1.1
Freescale Semiconductor
Serial Communications Interface Module (SCI)
Technical Data
245