ELANSC310 AMD [Advanced Micro Devices], ELANSC310 Datasheet - Page 112

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

Notes:
These timings may be modified via the MMS Memory Wait State 1 Register, Index 62h, and the Command Delay Register, Index
60h. (See the Élan
1. These timings apply only to the B4 version of the ÉlanSC310 microcontroller. The timings for the B3 version are t2b = 0 ns,
112
Symbol
t3b = 550 ns, t11b = -2 ns, and t13 = -4 ns.
t11a
t11b
t1a
t1b
t2a
t2b
t3a
t3b
t4a
t4b
t5a
t5b
t10
t12
t13
t14
t6
t7
t8
t9
SA stable to IOW active
SA stable to IOR active
SA hold from IOW inactive
SA hold from IOR inactive
IOW pulse width
IOR pulse width
IOW active to IOCHRDY inactive
IOR active to IOCHRDY inactive
IOW hold from IOCHRDY active
IOR hold from IOCHRDY active
RDDATA setup to command inactive
RDDATA hold from command inactive
WRDATA setup to command inactive
WRDATA hold from command inactive
DBUFOE active from command
DBUFOE hold from command Write
DBUFOE hold from command Read
ENDIRH, ENDIRL setup to IOR
ENDIRH, ENDIRL hold from IOR
BALE pulse width
TM
SC310 Microcontroller Programmer’s Reference Manual, order #20665.)
Parameter Description
Table 58. ISA I/O 8-Bit Read/Write Cycle (See Figure 47)
Élan™SC310 Microcontroller Data Sheet
P R E L I M I N A R Y
Notes
1
1
1
1
Min
200
150
450
505
160
400
150
110
50
50
40
50
50
50
50
50
0
Preliminary
Max
300
350
5
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns