參數(shù)資料
型號(hào): ELANSC300-25VI
廠商: Advanced Micro Devices, Inc.
元件分類: 32位微控制器
英文描述: Highly Integrated, Low-Power, 32-Bit Microcontroller
中文描述: 高度集成,低功耗,32位微控制器
文件頁數(shù): 25/139頁
文件大小: 1388K
代理商: ELANSC300-25VI
élanSC300 Microcontroller Data Sheet
25
P R E L I M I N A R Y
Notes:
1. These signals are active during reset.
2. These pins always default to their DRAM interface function.
3. The drive strength for these pins is programmable. E is the default.
All inputs that have VCC Clamp = 5 V are 5-V safe inputs regardless of their VCCIO.
Table 2.
Memory Bus Interface
Signal Name
Pin No.
I/O
Type
Term
Drive
Type
Reset State (volts)
Internal
CGA
Bus
3.3/0
3.3/0
VCC
Clamp
Spec.
Load
(pF)
Clock
Off
Active
Local
Max
ISA
3.3/0
VCCIO
VMEM
RAS0
1,3
2
O
E,D,C
VMEM
50
RAS1
1,3
3
O
E,D,C
Active
3.3/0
3.3/0
3.3/0
VMEM
VMEM
50
CAS1L [SRCS2]
1,2
4
O
D
Active
3.3/0
3.3/0
3.3/0
VMEM
VMEM
30
CAS1H [SRCS3]
1,2
5
O
D
Active
3.3/0
3.3/0
3.3/0
VMEM
VMEM
30
CAS0L [SRCS0]
1,2
6
O
D
Active
3.3/0
3.3/0
3.3/0
VMEM
VMEM
30
CAS0H [SRCS1]
1,2
7
O
D
Active
3.3/0
3.3/0
3.3/0
VMEM
VMEM
30
MA10/SA13
3
10
O
E,D,C
0
3.3
3.3
3.3
VMEM
VMEM
70
MA9/SA23
3
11
O
E,D,C
0
3.3
3.3
3.3
VMEM
VMEM
70
MA8/SA22
3
13
O
E,D,C
0
3.3
3.3
3.3
VMEM
VMEM
70
MA7/SA21
3
14
O
E,D,C
0
3.3
3.3
3.3
VMEM
VMEM
70
MA6/SA20
3
15
O
E,D,C
0
3.3
3.3
3.3
VMEM
VMEM
70
MA5/SA19
3
16
O
E,D,C
0
3.3
3.3
3.3
VMEM
VMEM
70
MA4/SA18
3
17
O
E,D,C
0
3.3
3.3
3.3
VMEM
VMEM
70
MA3/SA17
3
18
O
E,D,C
0
3.3
3.3
3.3
VMEM
VMEM
70
MA2/SA16
3
19
O
E,D,C
0
3.3
3.3
3.3
VMEM
VMEM
70
MA1/SA15
3
21
O
E,D,C
0
3.3
3.3
3.3
VMEM
VMEM
70
MA0/SA14
3
24
O
E,D,C
0
3.3
3.3
3.3
VMEM
VMEM
70
MWE
3
8
O
E,D,C
1
3.3
3.3
3.3
VMEM
VMEM
70
ROMCS
44
O
B
1
5.0
5.0
5.0
VSYS
V
CC
5
30
DOSCS
43
O
B
1
5.0
5.0
5.0
VSYS
V
CC
5
50
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