mc68hc08az60 Freescale Semiconductor, Inc, mc68hc08az60 Datasheet - Page 186

• Manufacturer Part Number: mc68hc08az60
• Description: M68hc08 Family Of 8-bit Microcontroller Units Mcus
• Manufacturer: Freescale Semiconductor, Inc

Serial Communications Interface Module (SCI)
MC68HC08AZ60 — Rev 1.0
186
To verify the start bit and to detect noise, data recovery logic takes
samples at RT3, RT5, and RT7.
start bit verification samples.
If start bit verification is not successful, the RT clock is reset and a new
search for a start bit begins.
RT CLOCK
RT CLOCK
SAMPLES
Freescale Semiconductor, Inc.
CLOCK
RESET
STATE
RT3, RT5, and RT7 Samples
Serial Communications Interface Module (SCI)
RxD
For More Information On This Product,
RT
Go to: www.freescale.com
000
001
010
011
100
101
110
111
Figure 8. Receiver Data Sampling
QUALIFICATION
Table 5. Start Bit Verification
START BIT
VERIFICATION
Table 5
START BIT
Start Bit Verification
START BIT
summarizes the results of the
SAMPLING
Yes
Yes
Yes
Yes
DATA
No
No
No
No
Noise Flag
MOTOROLA
0
1
1
0
1
0
0
0
LSB
14-sci