SC2200 NSC [National Semiconductor], SC2200 Datasheet - Page 376

• Manufacturer Part Number: SC2200
• Description: Thin Client On a Chip
• Manufacturer: NSC [National Semiconductor]

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Electrical Specifications
8.3.4
The following tables describes the timing for all ACCESS.bus signals.
Notes: 1) All ACCESS.bus timing is not 100% tested.
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
t
t
t
t
t
t
t
t
t
t
BUFi
CSTOsi
CSTRhi
CSTRsi
DHCsi
DLCsi
SCLfi
SCLri
SCLlowi
SCLhighi
SDAfi
SDAri
SDAhi
SDAsi
SCLhigho
SCLlowo
BUFo
CSTOso
CSTRho
CSTRso
DHCso
DLCso
SCLfo
SCLro
ACCESS.bus Interface
2) In this table t
Parameter
Bus free time between
Stop and Start condition
AB1C/AB2C setup time
AB1C/AB2C hold time
AB1C/AB2C setup time
Data high setup time
Data low setup time
AB1D/AB2D fall time
AB1D/AB2D rise time
AB1C/AB2C low time
AB1C/AB2C high time
AB1D/AB2D fall time
AB1D/AB2D rise time
AB1D/AB2D hold time
AB1D/AB2D setup time
Parameter
AB1C/AB2C high time
AB1C/AB2C low time
Bus free time between
Stop and Start condition
AB1C/AB2C setup time
AB1C/AB2C hold time
AB1C/AB2C setup time
Data high setup time
Data low setup time
AB1D/AB2D signal fall
time
AB1D/AB2D signal rise
time
CLK
= 1/24 MHz = 41.7 ns.
Table 8-16. ACCESS.bus Output Timing Parameters
Table 8-15. ACCESS.bus Input Timing Parameters
(Continued)
8
8
8
K
K
*
*
*
*
*
t
t
t
t
t
t
t
16
16
t
t
t
SCLhigho
SCLhigho
SCLhigho
SCLhigho
SCLhigho
SCLhigho
SCLhigho
2
2
2
CLK
CLK
CLK
t
t
- t
- t
CLK
CLK
Min
Min
*
*
*
*
*
SDAro
SDAfo
0
t
t
t
CLK
CLK
t
t
CLK
- t
- t
- t
CLK
CLK
- 1 s
- 1 s
SCLri
SCLri
SCLri
2
2
2
2
2
2
376
Max
Max
300
300
300
1
1
1
1
1
1
1
1
1
Unit
Unit
ns
ns
ns
s
s
s
s
s
s
s
s
s
Comments
Before Stop condition
After Start condition
Before Start condition
Before AB1C/AB2C rising edge
Before AB1C/AB2C rising edge
After AB1C/AB2C falling edge
After AB1C/AB2C rising edge
After AB1C/AB2C falling edge
Before AB1C/AB2C rising edge
Comments
After AB1C/AB2C rising edge
After AB1C/AB2C falling edge
Before Stop condition
After Start condition
Before Start condition
Before AB1C/AB2C rising edge
Before AB1C/AB2C rising edge
Revision 3.0
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