
Date: March 29, 1996 Sheet 19 of 23
Size Document Number
REV
B
ElanSC300/310 Evaluation Board
2.2
Title
XIORESET#,P5VOLT generation
AMD Proprietary/All Rights Reserved
(800) 222-9323
Austin, Texas 78741
5204 E. Ben White Blvd.
(C) Advanced Micro Devices, Inc.
D24
LED
P5VOLT
ON/OFF Indicator
OP5VOLT
D
2
Q
5
CLK
3
Q
6
P
R
4
C
L
1
V
C
C
1
4
U55A
74HC74
D
12
Q
9
CLK
11
Q
8
P
R
1
0
C
L
1
3
V
C
C
1
4
U54B
74HC74
OP5VOLT
D
2
Q
5
CLK
3
Q
6
P
R
4
C
L
1
V
C
C
1
4
U54A
74HC74
OP5VOLT
OP5VOLT
1
2
1
4
U62A
74ACT14
3
4
1
4
U62B
74ACT14
OP5VOLT
SW5
SW PBNO
R284
100K
ON/OFF switch
GND
C238
.1uF
R390
0
RAS0#
OP12VOLT
R288
4.7K
GND
R304
300
GND
2
1
3
Q29
PMBT3904
R287
1K
1
2
1
4
U57A
74HC04
OP5VOLT
1
2
3
1
4
U56A
74HC08
OP5VOLT
1
2
3
1
4
U58A
74HC32
GND
OP5VOLT
C208
1uF
R285
100K
GND
OP5VOLT
R286
10K
OP5VOLT
C245
10uF/10V
1
2
JP26
*HEADER 2
4
5
2
6 7 8
3
Q31
SI9410DY
OP5VOLT
P5VOLT
4
5
2
6 7 8
3
Q30
SI9410DY
OP5VOLT
GND
C210
0.1uF
GND
R290
1M
5
6
1
4
U62C
74ACT14
9
8
1
4
U62D
74ACT14
4
5
6
1
4
U56B
74HC08
OP5VOLT
OP5VOLT
R392
33
1 2
JP27
*HEADER 2
Remove JP27 if using ElanSC300 rev B or ElanSC310 without uPower mode.
XIORESET#
GND
C209
1uF
R289
1M
P5VOLT
Install JP26 to disable micropower.
Remove JP26 to enable micropower circuitry.
GND
Micro Power Mode Switch