
Date: March 29, 1996 Sheet 14 of 23
Size Document Number
REV
B
ElanSC300/310 Evaluation Board
2.2
Title
Display SRAM & CRT & LCD Connectors
AMD Proprietary/All Rights Reserved
(800) 222-9323
Austin, Texas 78741
5204 E. Ben White Blvd.
(C) Advanced Micro Devices, Inc.
D9
IR DETECTOR
BPV22F
R107
21.5K
2
1
3
Q2
MMBR5179L
VCC5
VCC5
2
1
3
Q1
MMBR5179L
R108
21.5K
C82
0.01UF
R109
10K
R110
100K
GND
VCC5
GND
SIRI
R112
21.5K
VCC5
VCC5
3
2
1
8
4
U27A
LF353(V5)
D8
IR LED
F1000-80034
VCC5
VCC5
SIRO
SIRI
CLK1
1
CLK2
13
I1
2
I2
11
I3
14
I4
23
I/O1
22
I/O2
21
I/O3
20
I/O4
19
I/O5
18
I/O6
17
I/O7
16
I/O8
15
I/O9
3
I/O10
4
I/O11
5
I/O12
6
I/O13
7
I/O14
8
I/O15
9
I/O16
10
GND
12
VCC
24
U28
*PALCE610(V5)
24-DIP Socket
Not populated
R113
21.5K
R114
21.5K
R115
21.5K
VCC5
VCC5
VCC5
SIN
SOUT
PMC2
BAUDOUT
GND
C83
1UF/10V
GND
R111
6.81K/1%
GND
Serial Infra-Red Circuit
GND
DSMD[0..7]
DSMD[0..7]
VCCSY253
DSMD0
DSMD1
DSMD2
DSMD3
DSMD4
DSMD5
DSMD6
DSMD7
SDSMD0
SDSMD1
SDSMD2
SDSMD3
SDSMD4
SDSMD5
SDSMD6
SDSMD7
Place R341-R348 close to U25.
R341
*33
R344
*33
R343
*33
R342
*33
R345
*33
R346
*33
R347
*33
R348
*33
DSMA0
DSMA1
DSMA2
DSMA3
DSMA4
DSMA5
DSMA6
DSMA7
DSMA8
DSMA9
DSMA10
DSMA11
DSMA12
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
CE
20
OE
22
WE
27
O0
11
O1
12
O2
13
O3
15
O4
16
O5
17
O6
18
O7
19
VCC
28
GND
14
U25
*62256-10(SYS253)
28-DIP
32Kx8 SRAM
Toshiba
DSMA[0..14]
DSCE#
DSOE#
DSWE#
ENCGA#
DSMA[0..14]
ENCGA#
VCCSY253
1
2
3
1
4
U26A
74HCT32(SYS253)
DSMA13
DSMA14
SRAMCS#
GND
C72
*0.1UF
If using ElanSC310, do not populate: U25, R341-R348, P17, P18, C72-81, R95-R106, VR1.
Internal Video RAM
- ElanSC300 only -
LD3
LD0
FRM1
LD2
CP11
LD1
CP21
GND
5
9
4
8
3
7
2
6
1
P17
*CGA CRT
AMP 747844-4
LD1
LD2
LD3
CP11
CP21
M1
FRM1
GND
C73
*330PF
R101
*15
R102
*15
R99
*15
R100
*15
R97
*15
R98
*15
R95
*15
R96
*15
C74
*330PF
C75
*330PF
C76
*330PF
C77
*330PF
LCDFRM
LCDCP1
LCDCP2
LCDM
LCDD0
LCDD1
LCDD2
VCCLCD5
C78
*330PF
C80
*330PF
C79
*330PF
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
P18
*LCD CONN 10th Cntr 20x1 Berg
AMP 2-102976-0
1
2
3
6
7
E
d
g
e
o
f
B
o
a
r
d
CGA CRT
Connector
VCCLCD5
4
5
8
9
Component
side view
- ElanSC300 only -
LCDD3
LCDD10
LCDD11
LCDD12
LCDD13
VEE
CONTRAST
VCCLCD5
R94
*220K
1
3
2
VR1
*20K
Bourns 3590
R105
*15
R106
*15
R103
*15
R104
*15
REV1.2-CHANGE LD0,LD1,LD2,LD3 TO LD1,LD2,LD3,LD0
LD0
IOCS16#
MCS16#
IRQ14
SBHE#
VEE
CONTRAST
C81
*0.1UF
Internal Video LCD & CRT Connectors