ELANSC310 AMD [Advanced Micro Devices], ELANSC310 Datasheet - Page 114
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ELANSC310
Manufacturer Part Number
ELANSC310
Description
Single-Chip, 32-Bit, PC/AT Microcontroller
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
1.ELANSC310.pdf
(119 pages)
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These timings are based on default settings and required initial programming. These timings may be modified via the MMS
Memory Wait State1 Register, Index 62h, and the Command Delay Register, Index 60h. (See the Élan
Programmer’s Reference Manual, order #20665.)
1. These timing apply to the B4 version of the ÉlanSC310 microcontroller only. The timings for the B3 version are
114
Symbol
t5b = 260 ns, t6b = 0 ns, t12b = -2 ns, and t14 = -4 ns.
t12a
t12b
t1a
t1b
t3a
t3b
t4a
t4b
t5a
t5b
t6a
t6b
t10
t11
t13
t14
t15
t2
t7
t8
t9
SA stable to IOW active
SA stable to IOR active
SA stable to IOCS16 active
IOW active to IOCHRDY inactive
IOR active to IOCHRDY inactive
IOW hold from IOCHRDY active
IOR hold from IOCHRDY active
IOW pulse width
IOR pulse width
SA hold from IOW inactive
SA hold from IOR inactive
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
ENDRIH, ENDIRL setup to IOR
ENDIRH, ENDIRL hold from IOR
BALE pulse width
Parameter Description
Table 59. ISA I/O 16-Bit Read/Write Cycle (See Figure 48)
Élan™SC310 Microcontroller Data Sheet
P R E L I M I N A R Y
Notes
1
1
1
1
Min
200
150
110
160
160
225
250
100
50
50
50
50
40
50
50
50
0
Preliminary
TM
Max
95
30
80
5
SC310 Microcontroller
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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