cp3cn23 National Semiconductor Corporation, cp3cn23 Datasheet - Page 217

• Manufacturer Part Number: cp3cn23
• Description: Cp3cn23 Reprogrammable Connectivity Processor With Dual Can Interfaces
• Manufacturer: National Semiconductor Corporation

28.7
Symbol Figure
t
t
t
t
CKX
RXS
RXH
TXD
UART TIMING
96
96
96
96
CKX period
(synchronous mode)
RXD setup time
(synchronous mode)
RXD hold time
(synchronous mode)
TXD output valid
(synchronous mode)
Description
Figure 96. UART Synchronous Mode Timing
RXD
CKX
TXD
Table 75 UART Signals
UART Output Signals
UART Input Signals
t
TXD
Before Falling Edge (FE)
on CKX
Before FE on CKX
After Rising Edge (RE) on
CKX
217
t
CKX
t
RXS
t
Reference
RXH
DS099
Min (ns)
250
40
40
-
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Max (ns)
40
-
-
-