
424
Chapter 12
Asynchronous Serial Interface A (UARTA)
User’s Manual U16702EE3V2UD00
12.5.7 Noise filter of receive data
The RXDAn pin is sampled using the UART internal clock (f
XCLK
).
If the sampled value is the same twice in a row, the output of the match detector changes, and the sig-
nal on the RXDAn pin is sampled as input data.
Because the circuit configuration of the noise filter is as shown in Figure 12-15, internal processing of a
reception operation is delayed two clocks from the external signal status.
Figure 12-15:
Noise Filter Circuit
fxclk
(internal UART clock)
RXDAn
Internal signal A
Internal signal B
Internal signal C
Match
detector
LD_EN
In
In
In
Q
Q
Q
electronic components distributor
Содержание V850E/RS1
Страница 6: ...6 User s Manual U16702EE3V2UD00 Downloaded from Elcodis com electronic components distributor...
Страница 206: ...206 User s Manual U16702EE3V2UD00 MEMO Downloaded from Elcodis com electronic components distributor...
Страница 232: ...232 User s Manual U16702EE3V2UD00 MEMO Downloaded from Elcodis com electronic components distributor...
Страница 366: ...366 User s Manual U16702EE3V2UD00 MEMO Downloaded from Elcodis com electronic components distributor...
Страница 402: ...402 User s Manual U16702EE3V2UD00 MEMO Downloaded from Elcodis com electronic components distributor...
Страница 684: ...684 User s Manual U16702EE3V2UD00 MEMO Downloaded from Elcodis com electronic components distributor...
Страница 766: ...766 User s Manual U16702EE3V2UD00 MEMO Downloaded from Elcodis com electronic components distributor...
Страница 798: ...798 User s Manual U16702EE3V2UD00 MEMO Downloaded from Elcodis com electronic components distributor...
Страница 832: ...832 User s Manual U16702EE3V2UD00 MEMO Downloaded from Elcodis com electronic components distributor...
Страница 834: ...834 User s Manual U16702EE3V2UD00 MEMO Downloaded from Elcodis com electronic components distributor...
Страница 848: ...848 User s Manual U16702EE3V2UD00 Downloaded from Elcodis com electronic components distributor...
Страница 852: ...Downloaded from Elcodis com electronic components distributor...