Figure 9-45. Enhanced Parallel Port Timing Diagram - AMD Geode SC1200 Data Book

32579B
Symbol Parameter
t WRITE# active from WAIT# low
WW19a
t WRITE# inactive from WAIT# low
WW19ia
t DSTRB# or ASTRB# active from
WST19a
WAIT# low
t DSTRB# or ASTRB# active after
WEST
WRITE# active
t PD[7:0] hold after WRITE#
WPDH
inactive
t PD[7:0] valid after WRITE#
WPDS
active
t PD[7:0] valid width
EPDW
t PD[7:0] hold after DSTRB# or
EPDH
ASTRB# inactive
t
WW19a
WRITE#
DSTRB#
or
ASTRB# t
WST19a
PD[7:0]
t
WPDS
WAIT#
424
Table 9-35. Enhanced Parallel Port Timing Parameters
Min
10
0
80
0
t
WPDH
t
WEST
t
WW19ia

Figure 9-45. Enhanced Parallel Port Timing Diagram

EPP EPP
Max 1.7 1.9
45 x
45 x
65 x
x x
x x
15 x x
x x
x x
t
WST19a
AMD Geode™ SC1200/SC1201 Processor Data Book
Electrical Specifications
Unit Comments
ns
ns
ns
ns
ns
ns
ns
ns
t
EPDH
Valid
t
EPDW