cp3cn23 National Semiconductor Corporation, cp3cn23 Datasheet - Page 226

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

www.national.com
28.11
t
t
t
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t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol Figure
BUFi
CSTOsi
CSTRhi
CSTRsi
DHCsi
DLCsi
SCLfi
SCLri
SCLlowi
SCLhighi
SDAri
SDAfl
SDAhi
SDAsi
BUFo
CSTOso
CSTRho
CSTRso
DHCso
DLCso
SCLfo
SCLro
SCLlowo
SCLhigho
SDAfo
SDAro
SDAho
SDAvo
ACCESS.BUS TIMING
108
108
108
108
109
108
107
107
110
110
107
107
110
110
108
108
108
109
109
108
107
107
110
110
107
107
110
110
Bus free time between Stop and Start
Condition
SCL setup time
SCL hold time
SCL setup time
Data High setup time
Data Low setup time
SCL signal rise time
SCL signal fall time
SCL low time
SCL high time
SDA signal rise time
SDA signal fall time
SDA hold time
SDA setup time
Bus free time between Stop and Start
Condition
SCL setup time
SCL hold time
SCL setup time
Data High setup time
Data Low setup time
SCL signal Fall time
SCL signal Rise time
SCL low time
SCL high time
SDA signal Fall time
SDA signal Rise time
SDA hold time
SDA valid time
Description
Table 79 ACCESS.bus Signals
ACCESS.bus Output Signals
ACCESS.bus Input Signals
Before Stop Condition
After Start Condition
Before Start Condition
Before SCL Rising Edge
(RE)
Before SCL RE
After SCL Falling Edge
(FE)
After SCL RE
After SCL FE
Before SCL RE
Before Stop Condition
After Start Condition
Before Start Condition
Before SCL R.E.
Before SCL R.E.
After SCL F.E.
After SCL R.E.
After SCL F.E.
After SCL F.E.
226
Reference
(8 × t
(8 × t
(8 × t
t
t
t
t
t
t
(K × t
(K × t
(7 × t
SCLhigho
SCLhigho
SCLhigho
SCLhigho
SCLhigho
SCLhigho
16 × t
16 × t
Min (ns)
t
2 × t
2 × t
2 × t
SCLhigho
CLK
CLK
CLK
CLK
CLK
CLK
0
-
-
-
-
-
-
-
-
) - t
) - t
) - t
) - t
CLK
CLK
CLK
) -1
) -1
-t
-t
CLK
CLK
SDAro
SDAfo
SCLfo
SCLri
SCLri
SCLri
e
e
(7 × t
Max (ns)
1000
1000
CLK
300
300
300
300
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
d
) + t
c
RD