ELANSC310 AMD [Advanced Micro Devices], ELANSC310 Datasheet - Page 116

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

Notes:
The appropriate timings above are valid for the Bidirectional Parallel Port mode also. Timings t13 and t14 are also valid for the
Unidirectional Parallel Port mode. ( PPDCS is PPWDE in Unidirectional mode.)
116
PPOEN
PPDCS
Symbol
D7–D0
BUSY
STRB
AFDT
t10
t11
t12
t13
t14
t15
t16
IOW
t0
t1
t2
t3
t4
t5
t6
t7
t8
t9
IOR
AFDT delay from IOW active
AFDT delay from PPDCS active
AFDT delay from PPOEN active
AFDT active pulse width (no wait states added)
AFDT High to Low recovery
AFDT Low to STRB Low
STRB delay from PPDCS active
STRB delay from PPOEN active
AFDT High to STRB High delay
STRB Low to data valid delay
STRB High to data valid hold
PPOEN delay from IOW active
PPOEN delay from IOW inactive
PPDCS delay from IOW active
PPDCS delay from IOW inactive
AFDT hold from BUSY High
BUSY Low delay from AFDT active
t13
t11
Table 60. EPP Data Register Write Cycle (See Figure 49)
t0
t1
t6
Élan™SC310 Microcontroller Data Sheet
t7
t9
t2
Parameter Description
Figure 49. EPP Data Register Write Cycle
t5
t16
P R E L I M I N A R Y
Valid Data
t3
Max
1000
–0.2
–2.4
450
139
307
8.4
1.8
1.0
1.6
0.8
3.7
7.4
6.6
t10
t15
t12
Min
t8
–1.4
448
129
4.9
1.1
0.8
0.9
0.6
4.0
1.1
4.3
t4
t14
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns