cp3bt13 National Semiconductor Corporation, cp3bt13 Datasheet - Page 207
cp3bt13
Manufacturer Part Number
cp3bt13
Description
Cp3bt13 Reprogrammable Connectivity Processor With Bluetooth-r And Can Interfaces
Manufacturer
National Semiconductor Corporation
Datasheet
1.CP3BT13.pdf
(232 pages)
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27.6
Symbol Figure
t
t
t
t
t
CLKX
COv1
RXS
RXH
TXD
t
t
Is
Ih
UART TIMING
102
102
103
103
103
102
102
Input setup time
RXD (asynchronous mode)
Input hold time
RXD (asynchronous mode)
CKX input period (synchronous mode)
RXD setup time
(synchronous mode)
RXD hold time
(synchronous mode)
TXD output valid (all signals with
propagation delay from CLK RE)
TXD output valid (synchronous mode) After RE on CLKX
RXD
CLK
TXD
1
t
lS
Description
2
Figure 102. UART Asynchronous Mode Timing
Figure 103. UART Synchronous Mode Timing
RXD
CKX
TXD
1
t
COv1
t
lH
2
Table 74 UART Signals
UART Output Signals
UART Input Signals
1
t
TXD
Before Rising Edge (RE)
on CLK
After RE on CLK
Before Falling Edge (FE)
on CKX in synchronous
mode
After FE on CKX in
synchronous mode
After RE on CLKX
207
2
t
CLKX
1
t
RXS
t
t
Reference
COv1
RXH
2
1
DS099
2
Min (ns)
1
250
40
40
-
-
DS098
2
www.national.com
Max (ns)
40
-
-
-
-
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