參數(shù)資料
型號: 21890
英文描述: ?lanSC300 Evaluation Board User's Manual
中文描述: ?lanSC300評估板用戶手冊
文件頁數(shù): 107/162頁
文件大?。?/td> 1974K
代理商: 21890
Date: March 29, 1996 Sheet 8 of 23
Size Document Number
B
ElanSC300/310 Evaluation Board
REV
2.2
Title
SCP, Keyboard, Mouse, & SD Buffers
AMD Proprietary/All Rights Reserved
(800) 222-9323
Austin, Texas 78741
5204 E. Ben White Blvd.
(C) Advanced Micro Devices, Inc.
E
d
g
e
o
f
B
o
a
r
d
1
4
Keyboard
RC#
9
10
8
1
4
U48C
74HC32
VCCSYS5
A2IRQ1
MSIRQ12
PMC4
PMC4
KRC#
R34
10K
VCCKBD5
GND
C46
VCCKBD5
SS
5
D7
18
P20
P22
21
22
24
35
1
38
P24T0
P26/DRQ
P10
P11
P12
P14
P16
27
30
32
34
V
D
D
2
6
V
S
S
2
0
P
R
O
G
2
5
E
A
7
D0
D2
D4
12
13
15
16
RESET
4
XTAL2
3
XTAL1
2
10
WR
CS
8
A0
SYNC
9
T1
39
V
C
C
4
0
U6
80C42DIP(SYS5)
40-DIP
1
2
JP10
VCCSYS5
VCCKBD5
GND
C192
10UF/10V
1
2
*HEADER 2
JP30
Power Measurement HEADER 2
SA[0..12]
PCLK
8042CS#
XT Keyboard
SA[0..12]
SA2
SD0
SD1
SD2
SD4
SD6
IRQ1
A20GATE
MSDATAO
KBDCLKI
KBDDATO
KBDDATI
MSDATAI
KRC#
KBCLEN#
1
2
D2
RLS4148
VCCSYS5
5
6
1
4
U8C
VCCS74HCT04(SYS5)
1
4
KBCL
GND
VCCKBD5
12
11
1
3
1
4
U7D
VCCKBD5
1
0
1
4
GND
C47
0.1UF
C52
0.1UF
C53
2.2UF/6.3V
C54
2.2UF/6.3V
VCC5
2
3
5
Component
side view
1
2
3
4
5
5-PIN DIN
Keyboard
P10
KBCL
KBDA
GND
R36
1K
GND
GND
R35
1K
VGND
C49
47PF
C48
47PF
KBDA
GND
VCCKBD5
9
8
U7C
R37
1
2
D3
RLS4148
VCKBDDATO#
VCCSYS5
11
10
U8E
74HCT04(SYS5)
13
12
1
4
U8F
74HCT04(SYS5)
MSDATAO#
MSCLKI
GND
VCC5
5
6
1
4
U37C
PCLK
8042CS#
IOR#
VCCSYS5
1
2
3
1
4
U32A
74HCT32(SYS5)
RESDRV
VCC5
9
8
1
4
U37D
74HCT04(V5)
KRESDRV#
GND
GND
MSDATAI
VMSCLKO#
R40
10K
R41
10K
1
2
D4
RLS4148
VCCSYS5
VCCKBD5
VCCKBD5
3
4
1
4
U8B
74HCT04(SYS5)
MSDA
MSCL
5
6
4
1
4
U7B
74HCT125(KBD5)
2
3
1
1
4
U7A
74HCT125(KBD5)
MSDA
MSCL
R38
R39
1K
VCC5
1
2
3
4
5
6
6-PIN MINI-DIN
MOUSE
P11
VCC5
GND
GND
GND
Keyboard & Mouse Processor & Connectors
C51
47PF
C50
47PF
VCCSYS5
SD0
SD1
SD3
SD4
SD6
U9P14
MSCLKI
VDA
A1
A2
A4
1
4
6
8
10
VDB
B0
B1
B2
B3
B4
B5
B6
B7
24
21
19
17
15
A6
11
B8
14
GND
GND
12
DIR
2
G
U9
HD151015
24-SOIC
1
2
D5
RLS4148
VCCSYS5
D0
D1
D3
D4
D6
SVCCMEM53
PMC0
GND
GND
R58
10K
U9P11
GND
C174
SVCCMEM53
BSDRDL
BSDEN#
SD0
SD1
SD3
SD6
SD8
SD10
SD13
SD15
GND
R59
10K
C175
0.1UF
GND
SD[0..15]
SD[0..15]
R45
1M
R46
R48
1M
VCCSYS5
(7,8,9,11,13,14,16,18)
R42
R44
1M
R50
R53
R54
R56
1M
1M
1M
1M
1M
SD8
SD11
SD13
SD15
VDA
A0
A1
A3
A5
1
3
5
7
8
VDB
B0
B1
B2
B3
B4
B5
B6
B7
24
22
20
18
17
A8
10
B8
15
GND
12
DIR
2
23
G
U10
HD151015
VCCB>=VCCA
VCCSYS5
D8
D11
D13
UD15
GND
C176
SVCCMEM53
SVCCMEM53
BSDEN#
BSDRDL
D[0..15]
BSDRDH
D[0..15]
GND
GND
R61
BSDRDH
GND
R60
10K
GND
C177
VCCSYS5
ISA Data Bus Level Translating Buffers
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