MC68HC708XL36 FREESCALE [Freescale Semiconductor, Inc], MC68HC708XL36 Datasheet - Page 250

• Manufacturer Part Number: MC68HC708XL36
• Description: HCMOS Microcontroller Unit
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

SCI
MC68HC708XL36
250
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
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
SCI
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
16-sci_d
LSB