Document No. 002-14949 Rev. *E
Page 35 of 113
PRELIMINARY
CYW43353
Figure 13. UART Timing
Table 10. UART Timing Specifications
Ref No.
Characteristics
Min.
Typ.
Max.
Unit
1
Delay time, UART_CTS_N low to UART_TXD valid
–
–
1.5
Bit period
2
Setup time, UART_CTS_N high before midpoint of stop bit
–
–
0.5
Bit period
3
Delay time, midpoint of stop bit to UART_RTS_N high
–
–
0.5
Bit period
UART_CTS_N
UART_RXD
UART_RTS_N
1
2
Midpoint
of
STOP
bit
UART_TXD
3
Midpoint
of
STOP
bit