Figure 9-8. Acb Signals: Rising Time And Falling Timing Diagram; Figure 9-9. Acb Start And Stop Condition Timing Diagram - AMD Geode SC2200 Data Book

Electrical Specifications
Table 9-17. ACCESS.bus Output Timing Parameters (Continued)
Symbol Parameter
t AB1D/AB2D signal fall
SDAfo
time
t AB1D/AB2D signal rise
SDAro
time
t AB1D/AB2D hold time
SDAho
t AB1D/AB2D valid time
SDAvo
Note 1. K is determined by bits [7:1] of the ACBCTL2 register (LDN 05h/06h, Offset 05h).
Note 2. t value depends on the signal capacitance and the pull-up value of the relevant pin.
SCLhigho
AB1D
AB2D
AB1C
AB2C

Figure 9-8. ACB Signals: Rising Time and Falling Timing Diagram

AB1D
AB2D
AB1C
AB2C

Figure 9-9. ACB Start and Stop Condition Timing Diagram

AMD Geode™ SC2200 Processor Data Book
Min
7 t - t
* CLK SCLfo
0.7V
IO
0.3V
IO
0.7V
IO
0.3V
IO
Stop Condition
t
DLCs
t
DLCo
t
CSTOsi
t
CSTOso
Max Unit
300 ns
μs
1
7 t + t
* CLK RD
0.7V
IO
0.3V
IO
t
SDAr
0.7V
IO
0.3V
IO
t
SCLr
Start Condition
t t
BUFi CSTRhi
t t
BUFo CSTRho
32580B
Comments
After AB1C/AB2C falling edge
After AB1C/AB2C falling edge
t
SDAf
t
SCLf
389