ELANSC300-33KI Datasheet

  • ELANSC300-33KI

  • Highly Integrated, Low-Power, 32-Bit Microcontroller

  • 1344.13KB

  • 139页

  • AMD

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P R E L I M I N A R Y
Table 4.
I/O
Type
O(STI)
I
I
PU
PU
Drive
Type
B
鈥?/div>
鈥?/div>
Keyboard Interface
Clock
Off
1(鈥?
鈥?/div>
鈥?/div>
Reset State (volts)
Internal
CGA
5.0
5.0
5.0
Local
Bus
5.0
5.0
5.0
Max
ISA
5.0
5.0
5.0
VCCIO
VSYS
VSYS
VSYS
VCC
Clamp
VCC5
VCC5
VCC5
Spec.
Load
(pF)
30
Signal Name
8042CS [XTDAT]
RC
A20GATE
Pin No.
75
78
79
Term
Notes:
All inputs that have VCC clamp = 5 V are 5-V safe inputs regardless of their VCCIO.
Table 5.
I/O
Type
O
O
O
O
I
I
I
I
I
O
O
Parallel Port Interface
Drive
Type
D
D
D
D
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
B
B
Clock
Off
Last
state
Last
state
Last
state
Last
state
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
1(1)
1(1)
Reset State (volts)
Internal Local
CGA
Bus
5.0
0.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0.0
5.0
0.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0.0
Max
ISA
5.0
0.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0.0
VCCIO
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC
Clamp
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
VCC5
30
30
Spec.
Load
(pF)
100
100
100
100
Signal Name
AFDT [X14OUT]
1
INIT [PCMCWE]
1
STRB
1
SLCTIN [PCMCOE]
1
ACK
BUSY
2
ERROR
PE
SLCT
PPDWE [PPDCS]
PPOEN
Pin No.
80
89
83
84
88
85
86
82
87
90
91
Term
Notes:
1. These outputs function as open-drain outputs in Normal Parallel Port mode, and function as CMOS drivers when the EPP-
MODE configuration bit is set.
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
is not present, accesses to the parallel port in EPP mode will lock up the system.
All inputs that have VCC clamp = 5 V are 5-V safe inputs regardless of their VCCIO.
28
脡lan鈩C300 Microcontroller Data Sheet

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