mc68hc708mp16 Freescale Semiconductor, Inc, mc68hc708mp16 Datasheet - Page 295

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mc68hc708mp16

Manufacturer Part Number
mc68hc708mp16
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet

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MC68HC708MP16
Freescale Semiconductor
PTF4/RxD
RT CLOCK
RT CLOCK
SAMPLES
CLOCK
RESET
STATE
RT
Rev. 3.1
To verify the start bit and to detect noise, data recovery logic takes
samples at RT3, RT5, and RT7.
the 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.
Figure 14-6. Receiver Data Sampling
Serial Communications Interface Module (SCI)
QUALIFICATION
START BIT
RT3, RT5, and RT7
Samples
Table 14-1. Start Bit Verification
VERIFICATION
000
001
010
011
100
101
110
111
START BIT
START BIT
Serial Communications Interface Module (SCI)
Table 14-1
SAMPLING
DATA
Verification
Start Bit
Yes
Yes
Yes
Yes
No
No
No
No
summarizes the results of
Noise Flag
0
1
1
0
1
0
0
0
Technical Data
LSB
295

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