AMD ElanSC310, Руководство пользователя, Страница: 101 / 124

Date: March 29, 1996 Sheet 8 of 23
Size Document Number REV
B ElanSC300/310 Evaluation Board 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
Connector
RC#
9
10
8
1
4
U48C
74HC32
VCCSYS5
IRQ1
A20GATE
MSIRQ12
PMC4
PMC4
KRC#
R34
10K
VCCKBD5
GND
C46
0.1UF
VCCKBD5
SS
5
D6
18
P20
21
P21
22
P22
23
P23
24
P24/OB
35
P25/BF
36
T0
1
P26/DRQ
37
P10
27
P11
28
P12
29
P13
30
P14
31
P15
32
P16
33
V
D
D
2
6
V
S
S
2
0
P
R
O
G
2
5
E
A
7
D0
12
D1
13
D2
14
D3
15
D4
16
D5
17
RESET
4
XTAL2
3
XTAL1
2
WR
10
RD
8
CS
6
A0
9
D7
19
SYNC
11
T1
39
P17
34
P27/DAK
38
V
C
C
4
0
U6
80C42DIP(SYS5)
40-DIP
1
2
JP10
HEADER 2
VCCSYS5
VCCKBD5
GND
C192
10UF/10V
1
2
JP30
*HEADER 2
Power Measurement Point
SA[0..12]
PCLK
8042CS#
XT Keyboard
SA[0..12]
SA2
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
IRQ1
A20GATE
KBDCLKI
KBDCLKO
KBDDATO
KBDDATI
MSDATAO
MSCLKO
MSDATAI
MSIRQ12
KRC#
KBCLEN#
1 2
D2
RLS4148
VCCSYS5
5 6
1
4
U8C
74HCT04(SYS5) KBCL
GND
VCCKBD5
12 11
1
3
1
4
U7D
74HCT125(KBD5)
GND
GND
C47
0.1UF
C52
0.1UF
C53
2.2UF/6.3V
C54
2.2UF/6.3V
VCC5
VCC5
2
3
5
Component
side view
1
2
3
4
5
P10
5-PIN DIN
Keyboard
KBCL
KBDA
GND
R36
1K
GND GND
R35
1K
VCC5
C49
47PF C48
47PF
KBDA
GND
VCCKBD5
VCCKBD5
9 8
1
0
1
4
U7C
74HCT125(KBD5)
R37
10K
1 2
D3
RLS4148
VCCKBD5
VCCSYS5
VCCSYS5
11 10
1
4
U8E
74HCT04(SYS5)
13 12
1
4
U8F
74HCT04(SYS5)
KBDDATO#
MSDATAO#
MSCLKI
GND
VCC5
5 6
1
4
U37C
74HCT04(V5)
PCLK
8042CS#
IOW#
IOR#
VCCSYS5
1
2
3
1
4
U32A
74HCT32(SYS5)
RESDRV
VCC5
9 8
1
4
U37D
74HCT04(V5)
KRESDRV#
GND
GND
MSDATAI
MSCLKO#
R40
10K
R41
10K
1 2
D4
RLS4148
VCCSYS5
VCCKBD5
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
1K R39
1K
VCC5
1
2
3
4
5
6
P11
6-PIN MINI-DIN
MOUSE
VCC5
VCC5
GND
GND GND
Keyboard & Mouse Processor & Connectors
C51
47PF C50
47PF
VCCSYS5
SD0
MSCLKI
VDA
1
VDB
24
A0
3
B0
22
A1
4
B1
21
A2
5
B2
20
A3
6
B3
19
A4
7
B4
18
A5
8
B5
17
A6
9
B6
16
A8
11
B8
14
A7
10
B7
15
GND
12
GND
13
DIR
2
G
23
U9
HD151015
24-SOIC
VCCB>=VCCA
1 2
D5
RLS4148
VCCSYS5
D0
SVCCMEM53
PMC0
D1
D2
D3
D4
D5
D6
D7
GND
GND
R58
10K
U9P11
GND
C174
0.1UF
SVCCMEM53
SD1
SD2
SD3
SD4
SD5
SD6
SD7
U9P14
BSDRDL
BSDEN#
SD0
SD1
SD2
SD3
GND
R59
10K
C175
0.1UF
GND
SD[0..15]
SD[0..15]
R45
1M
R46 1M
R47
1M
R48
1M
R49 1M
VCCSYS5
(7,8,9,11,13,14,16,18)
R42
1M
R43 1M
R44
1M
R50 1M
R51
1M
R52
1M
R53
1M
R54 1M
R55
1M
R56
1M
R57 1M
SD4
SD5
SD6
SD7
SD8
SD9
SD10
SD11
SD12
SD13
SD14
SD15
SD8
SD9
SD10
SD11
SD12
SD13
SD14
SD15
VDA
1
VDB
24
A0
3
B0
22
A1
4
B1
21
A2
5
B2
20
A3
6
B3
19
A4
7
B4
18
A5
8
B5
17
A6
9
B6
16
A8
11
B8
14
A7
10
B7
15
GND
12
GND
13
DIR
2
G
23
U10
HD151015
24-SOIC
VCCB>=VCCA
U10P14
VCCSYS5
D8
D9
D10
D11
D12
D13
D14
D15
U10P11
GND
C176
0.1UF
SVCCMEM53
SVCCMEM53
BSDEN#
BSDRDL
D[0..15]
BSDRDH
D[0..15]
GND
GND
R61
10K
BSDRDH
BSDEN#
GND
R60
10K
GND
C177
0.1UF
VCCSYS5
ISA Data Bus Level Translating Buffers