Date: August 7, 1997
Sheet 8
of 23
Size Document Number
REV
A3
96183
SD
Title
390 ACERNOTE LIGHT
CY2272 CLOCK GENERATOR
ACER TAIPEI TAIWAN R.O.C
3
21
1
2
RX33
DUMMY-C3
1
2
RX34
DUMMY-C3
1
2
RX35
DUMMY-C3
M
O
D
E
M
1
4
M
G
1
4
.
3
1
8
M
K
B
D
1
4
M
9,23
3
1
2
R102
33R3
1
2
R272
33R3
1
2
R271
33R3
C325
SCD1U
CY1
SCD1U
A
1
BE# 4
GND
3
VCC 5
B
2
UY1
NC7SZ384-2
1
2
3
QZ1
2N7002
1
2
RZ6
10KR3
5
6
1
4 4
7
U38B
SSAHCT125
$VGA14M
G14.318M
MODEM14M
TV_EN
+5V
+5V
+5V
1
2
R310
33R3
1
2
R312
33R3
1
2
R265
22R3
1
2
C333
ST22U
C330
SCD1U
AVDD
+3.3V
C343
SCD1U
C178
SCD1U
C174
SCD1U
C332
SC100P
C336
SC10P
C337
SC10P
1
2
X3
XTAL-14.318MHZ
1
2
C180
ST10U16VBM
+3.3V
C331
SCD1U
AVDD
1
REF0
2
VSS
3
XTALIN
4
XTALOUT
5
REF1
6
VDDQS
7
PCICLK_F
8
VSS
9
PCICLK0
10
PCICLK1
11
PCICLK2
12
PCICLK3
13
VDDQS
14
PCICLK4
15
VSS
16
EPCICLK
17
VSS
18
VDDQS
19
PWR_DWN#
20
SEL1
21
VSS
22
SDATA
23
SCLK
24
SEL2 25
SEL0 26
VSS 27
PCI_STOP# 28
CPU_STOP#29
VDDQS 30
SDRAM531
SDRAM432
VSS 33
SDRAM334
SDRAM235
VDDQS 36
SDRAM137
SDRAM038
VSS 39
CPUCLK3 40
CPUCLK2 41
VDDCPU42
CPUCLK1 43
CPUCLK0 44
VSS 45
IOCLK 46
USBCLK 47
VDDQS 48
U39
CY2272
CX14
SCD1U
CX15
SCD1U
1
2
RX40
0R3
A
V
D
D
1
3
1
2
R257
33R3
1
2
R256
33R3
1
2
R286
33R3
1
2
R294
33R3
1
2
R299
33R3
TP4
TP-1
C176
SC1U16V5ZY
C175
SC1U16V5ZY
2
3
1
4 1
7
U38A
SSAHCT125
$USBCLK
AUDIO14M
SIO14M
$CPUCLK
$L2CLK
IO_VOLTAGE
17
14
3
1
2
RX36
DUMMY-C3
1
2
RX37
DUMMY-C3
$SLOWDWN
KBD14M
S
I
O
1
4
M
A
U
D
I
O
1
4
M
9
8
1
4 1
0
7
U11C
SSLVT125
1
2
R130
47KR3
1
2
R246
100KR3
1
2
R133
0R3
1
2
R139
DUMMY-R3
1
2
RX38
0R3
CLKDWN
CLKDWN
SEL2
+3.3V
+3.3V
+5V
1,13
2
6
6
7
7
3
3
5
1
2
R298
33R3
1
2
R283
33R3
1
2
R287
33R3
1
2
R289
33R3
1
2
R284
33R3
1
2
RX18
0R3
1
2
RX19
0R3
TP3
TP-1
CLK_SEL0
$SDRAM_CLK0
$SDRAM_CLK1
$SDRAM_CLK2
$SDRAM_CLK3
$PCISTP#
$CPUSTP#
$31CLK
SEL2
1
2
R295
33R3
1
2
R297
33R3
1
2
R313
33R3
1
2
R296
0R3
SEL1
1,3,7,12
1,3,7,12
2
3
9
11
1
2
R288
0R3
1
2
R300
33R3
1
2
RX20
22KR3
$P33CLK
$P31CLK
$VGACLK
$CARDCLK
$SMBDATA
$SMBCLK
+3.3V
CLK_SEL1
FREQ.
0
0
0
1
60.0MHZ
66.6MHZ
CLK_SEL0
1
2
R124
33R3
D
2
CLK
3
Q 5
Q 6
VCC
14
P
R
4
GND
7
C
L
1
U37A
SSHCT74
C334
SCD1U
KBD14M
+5V
+5V
+5V
1,13
13
CX16
SC1KP
1
2
RX32
DUMMY-C3
CLK_SEL1
CLK7M
12
11
1
4 1
3
7
U11D
SSLVT125
1
2
R245
47KR3
1
2
R91
100KR3
1
2
RX39
0R3
SEL1
+3.3V
+3.3V
+5V
Summary of Contents for 390 Series
Page 15: ...System Introduction 1 3 Figure 1 2 PCB No 96183 1A Mainboard Layout Bottom ...
Page 96: ...2 50 Service Guide 2 3 3 Pin Configuration Figure 2 4 FDC37C67 TQFP Pin Diagram ...
Page 97: ...Major Chips Description 2 51 Figure 2 5 FDC37C67 QFP Pin Diagram ...
Page 102: ...2 56 Service Guide 2 3 6 Block Diagram Figure 2 6 FDC37C67 Block Diagram ...
Page 126: ...2 80 Service Guide 2 5 4 1 Functional Block Diagram Figure 2 10 M38813 Block Diagram ...
Page 128: ...2 82 Service Guide 2 6 2 Pin Diagram Figure 2 11 YMF715 Block Diagram ...
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