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Schematic Diagrams
SUPER I/O
+3VS
Sheet 29 of 40
SUPER I/O
14,24
LPCPD#
14
B - 30 SUPER I/O
L38
1
2
HCB1608K-121T25_06
Z29033
C312
C313
C372
C331
C307
C308
0.1u
0.1u
0.1u
0.1u
4.7u_08
4.7u_08
U12
LPC_AD0
32
14,24,26
LPC_AD0
LAD0
LPC_AD1
36
14,24,26
LPC_AD1
LAD1
LPC_AD2
38
14,24,26
LPC_AD2
LAD2
LPC_AD3
40
14,24,26
LPC_AD3
LAD3
25
14
PCLK_SIO
LCLK
LPC_DRQ0#
16
14
LPC_DRQ0#
LDRQ/XOR_OUT
LPC_FRAME#
30
14,24,26
LPC_FRAME#
LFRAME
LRESET#
27
LRESET
SERIRQ
28
14,20,24
SERIRQ
SERIRQ
CLCOKRUN#
19
14,20,24
CLCOKRUN#
CLKRUN
GPO24
BUF_SIO_CLK
43
16
BUF_SIO_CLK
CLKIN
Z29003
11
GPIO00
IRRX1
Z29004
12
GPIO01
IRRX2_IRSL0
Z29005
13
GPIO02
+3VS
Z29006
14
GPIO03
Z29007
15
GPIO04
R262
8.2K
DCD1
Z29009
17
GPIO20
LPCPD#
R266
*0
21
GPIO21/LPCPD
DTR1_BOUT1/BADDR
Z29008
22
GPIO23
RTS1/TRIS
SOUT1/TEST
PC87381-VBH
BA SE ADDRESS CONFIGURATION
XBUS RESET CONFIGURATION
DTRA# PULL-UP : 4E
Z29021
DTRA# PULL-DOWN:
2E (DEFAULT)
C369
0.1u
+3VS
R251
10K_06
30
EAPD_MODE
D20
LPCRST_SIO#
C
A
LRESET#
LPCRST_SIO#
24
VOL_MUTE
RB751V
R252
*0
14,21
PCIRST#
+3VS
+5VS
RTS#
R316
*4.7K
DTR#
R317
*4.7K
R318
4.7K
1
HCB1608K-121T25_06
1
+3V
3,11,14,16,17,18,21,22,23,26,28,30,32,33,35
HCB1608K-121T25_06
+5V
2,11,16,23,24,26,31,32,33,34,35
AUD_VDD 30
AUD5VS
30
+3VS
2,3,6,7,10,11,12,13,14,15,16,18,19,20,21,23,25,26,27,28,30,32
+5VS
16,18,19,23,24,25,26,27,30,32
33
Z29010
NC
37
Z29011
NC
39
Z29012
NC
41
Z29013
NC
26
Z29014
NC
4
Z29015
NC
31
Z29016
NC
18
Z29017
NC
29
Z29018
NC
20
Z29019
42
Z29020
NC
5
IRRX
R321
+3VS
7
IRMODE
6
IRTX
IRTX
1
CTS#
CTS1
44
DCD#
45
DSR#
DSR1
2
DTR#
3
RING#
RI1
47
RTS#
46
RXD
SIN1
48
TXD
MCOM1RI
5/22
+5VS
C575
0.1u
R538
10K
U35
R541
*10K
1
4
MUTE
MUTE
30
2
74AHCT1G32
5/18
R611
*0
5/18
AUD_VDD
PLEASE PLACE CLOSE CODEC &
L33
AMP THE POWER INPUT PINS
2
C393
C394
C381
C384
C380
C383
C365
L41
10u_25V_12
10u_25V_12
0.1u
0.1u
0.1u
0.1u
0.1u
2
AUD_AGND
AUD_AGND
+5V
C377
C373
C614
0.1u
1u_06
0.1u
U17
Z29024
28
27
Z29022
C1+
V+
C379
0.1u
Z29025
24
3
Z29023
C1-
V-
C413
C376
Z29026
1
C2+
C412
0.1u
0.1u
0.1u
Z29027
2
C2-
TXD
14
9
TXDO
T1IN
T1OUT
TX DO
31
RTS#
13
10
RTSO#
RTSO#
31
T2IN
T2OUT
DTR#
12
11
DTRO#
DTRO#
31
T3IN
T3OUT
MCOM1RI
20
R2OUTB
DSR#
19
4
DSRO#
R1OUT
R1IN
DSRO#
31
RING#
18
5
RINGO#
R2OUT
R2IN
RINGO#
31
CTS#
17
6
CTSO#
R3OUT
R3IN
CTSO#
31
RXD
16
7
RXDO
R4OUT
R4IN
RXDO
31
DCD#
15
8
DCDO#
DCDO#
31
R5OUT
R5IN
Z29028
23
FORCEON
100K_06
22
/FORCEOFF
25
GND
Z29029
21
/INVALID
MAX3243
COMRING# 16
C561
0.1u
R570
10K
B
Q48
2N3904
R571
C562
10K
1u
R580
0_06
AUD5VS
U34
4
5
OUT
VIN
+5VS
1
SHDN#
Z2534
3
2
BYP
GND
C568
C569
C571
*G924
C570
0.1u
0.1u
1u_06
*0.1u
AUD_AGND
PCLK_SIO
CLCOKRUN#
BUF_SIO_CLK
+3VS
R315
R312
*10K
*10K
R250
*8.2K
SERIRQ
Close to PC87391
Z29034
R257
*0
C319
*10p
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