Z8FMC16100 Series Flash MCU
Product Specification
129
Baud Period
System
Clock
Input
RxD (ideal)
Data Bit = 0
Data Bit = 1
Noise Filter
Up/Dn Counter
Clean RxD
Example
3
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0 1 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3
Noise Filter
Output RxD
Nominal filter delay
Input
RxD (noisy)
Data Bit = 0
Data Bit = 1
Noise Filter
Up/Dn Counter
3
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0 1 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3
Noise RxD
Example
Noise Filter
Output RxD
FiltSatB
Output
UART
Sample Point
Figure 18. Noise Filter Operation
PS024604-1005
P R E L I M I N A R Y
Operation