ELANSC310 AMD [Advanced Micro Devices], ELANSC310 Datasheet - Page 117

• Manufacturer Part Number: ELANSC310
• Description: Single-Chip, 32-Bit, PC/AT Microcontroller
• Manufacturer: AMD [Advanced Micro Devices]

Notes:
The appropriate timings above are also valid for the Bidirectional Parallel Port mode.
PPOEN
PPDCS
D7–D0
BUSY
STRB
AFDT
IOW
Symbol
IOR
t1
t2
t3
t4
t5
t6
t7
t8
t9
AFDT delay from PPDCS active
AFDT active pulse width (no wait states)
AFDT High to Low recovery
Read data valid delay
Read data hold time
PPDCS delay from IOR active
PPDCS delay from AFDT inactive
PPDCS delay from IOR inactive
BUSY (inactive) hold from AFDT High
Table 61. EPP Data Register Read Cycle (See Figure 50)
t6
Élan™SC310 Microcontroller Data Sheet
Figure 50. EPP Data Register Read Cycle
t1
Parameter Description
P R E L I M I N A R Y
t4
t2
Data Valid
t7
t9
Max
1000
25.3
450
1.8
6.8
3.7
t5
t8
t3
Min
448
1.1
2.3
1.8
4.2
0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
117