cp3cn17 National Semiconductor Corporation, cp3cn17 Datasheet - Page 195

• Manufacturer Part Number: cp3cn17
• Description: Reprogrammable Connectivity Processor With Can Interface
• Manufacturer: National Semiconductor Corporation

26.6
Symbol Figure
t
t
t
t
CKX
RXS
RXH
TXD
UART TIMING
92
92
92
92
CKX period
(synchronous mode)
RXD setup time
(synchronous mode)
RXD hold time
(synchronous mode)
TXD output valid
(synchronous mode)
Description
Figure 92. UART Synchronous Mode Timing
RXD
CKX
TXD
Table 71 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
195
t
CKX
t
RXS
t
Reference
RXH
DS099
Min (ns)
250
40
40
-
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Max (ns)
40
-
-
-