SC2200 NSC [National Semiconductor], SC2200 Datasheet - Page 377

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

Revision 3.0
Electrical Specifications
1.
2.
Symbol
t
t
t
t
SDAfo
SDAro
SDAho
SDAvo
K is determined by bits [7:1] of the ACBCTL2 register (LDN 05h/06h, Offset 05h).
This value depends on the signal capacitance and the pull-up value of the relevant pin.
AB2D
AB1D
AB2C
AB1C
AB2D
AB1D
AB1C
AB2C
Parameter
AB1D/AB2D signal fall
time
AB1D/AB2D signal rise
time
AB1D/AB2D hold time
AB1D/AB2D valid time
Figure 8-8. ACB Signals: Rising Time and Falling Timing Diagram
Table 8-16. ACCESS.bus Output Timing Parameters (Continued)
Figure 8-9. ACB Start and Stop Condition Timing Diagram
t
t
DLCs
DLCo
0.7V
0.3V
0.7V
0.3V
(Continued)
t
t
CSTOsi
IO
CSTOso
IO
IO
IO
Stop Condition
7
*
t
CLK
Min
- t
SCLfo
t
t
SDAr
SCLr
377
t
t
7
BUFi
BUFo
*
t
CLK
0.7V
0.3V
Max
300
0.7V
0.3V
1
+ t
IO
IO
IO
IO
Start Condition
RD
Unit
ns
s
t
t
CSTRhi
CSTRho
Comments
After AB1C/AB2C falling edge
After AB1C/AB2C falling edge
t
t
SDAf
SCLf
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