ELANSC310 AMD [Advanced Micro Devices], ELANSC310 Datasheet - Page 25
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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Notes:
1. These outputs function as open-drain outputs in Normal Parallel Port mode, and function as CMOS drivers when the EPP-
2. The parallel port interface BUSY input must have an external pullup if the parallel port is to be used in EPP mode. If this pullup
All inputs that have VCC clamp = 5 V are 5-V safe inputs regardless of their VCCIO.
Notes:
1. These pins are terminated externally per bus option selection.
All inputs that have VCC clamp = 5 V are 5-V safe inputs regardless of their VCCIO.
AFDT [X14OUT]
INIT
STRB
SLCTIN
ACK
BUSY
ERROR
PE
SLCT
PPDWE [PPDCS]
PPOEN
DTR/CFG1
RTS/CFG0
SOUT
CTS
DCD
DSR
RIN
SIN
MODE configuration bit is set.
is not present, accesses to the parallel port in EPP mode will lock up the system.
1
Signal Name
Signal Name
1
2
1
1
1
1
Pin No.
Pin No.
80
89
83
84
88
85
86
82
87
90
91
100
92
93
94
96
98
97
99
Type
Type
Élan™SC310 Microcontroller Data Sheet
I/O
O
O
O
O
O
O
I/O
I
I
I
I
I
O
O
O
I
I
I
I
I
Table 5. Parallel Port Interface
Table 6. Serial Port Interface
P R E L I M I N A R Y
Term
Term
—
—
—
—
—
—
—
—
—
—
—
PU
PU
PU
PU
PU
—
—
—
Drive
Type
Drive
Type
—
—
—
—
—
D
D
D
D
B
B
—
—
—
—
—
A
A
A
Last state
Last state
Last state
Clock
state
state
state
state
Clock
Last
Last
Last
Last
1(1)
1(1)
Off
—
—
—
—
—
Off
—
—
—
—
—
Local
Bus
Local
5.0
0.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0.0
Bus
Reset State
5.0
Reset State
5.0
0.0
0.0
5.0
5.0
5.0
5.0
(volts)
(volts)
Max
Max
ISA
5.0
0.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0.0
ISA
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0
VCCIO
VCCIO
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
Clamp
Clamp
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC
VCC
Spec.
Spec.
Load
Load
(pF)
(pF)
100
100
100
100
50
50
50
—
—
—
—
—
30
30
—
—
—
—
—
25