Schematic Diagrams
B - 14 SB VT8237A-3 LPC, LAN, VLINK
B.Schematic Diagrams
SB VT8237A-3 LPC, LAN, VLINK
T
UPSTB-
LVREF_SB= 0.3V
APICCLK(2)
R203
0
UPCMD
VBE#
UPSTB+
DNCMD
DNSTB+
+2.5VSBPLL
+2.5VS
+2.5VS
+2.5VS
+3VS
VBAT
RSMRST#
SEEDI
SATA_LED#
VD0
H25
VD1
G26
VD2
K26
VD3
J23
VD4
F26
VD5
G25
VD6
K22
VD7
K24
MCRS
A11
MCOL
B11
MTXD2
B9
MTXD1
B10
MTXD0
A10
MTXENA
C11
MTXCLK
C10
MTXD3
A9
MDCK
A7
MDIO
B7
MRXD3
C7
MRXD1
B8
MRXDV
D8
MRXCLK
C9
MRXER
D10
MRXD2
A8
EECS
D11
EEDO
B12
EEDI[SDCS1]
A12
EECK
C12
RAMVCC
E7
PLLVCC
T22
PLLGND
U22
VD8_NC
E24
VD9_NC
G23
VD10_NC
L26
VD11_NC
L25
VD12_NC
E26
VD13_NC
E25
VD14_NC
L24
VD15_NC
M26
VLREF
H22
UPCMD
K23
DNCMD
K25
UPSTB
J26
UPSTB
J24
DNSTB
H26
DNSTB
H24
VCOMPP
J22
RAMGND
E6
MIIVCC4
E11
MIIVCC2
E9
MIIVCC3
E10
VBAT
AF4
VCLK
L22
MIIVCC1
D9
GND
P11
GND
P12
GND
P13
GND
P14
GND
P15
GND
P16
GND
R11
GND
R15
GND
R14
GND
R13
GND
R12
GND
R16
GND
R21
GND
T11
GND
T12
GND
T16
GND
T15
GND
T14
GND
T13
VCCVK
M24
VCCVK
N21
VCCVK
N22
VCCVK
N23
VCCVK
N24
VCCVK
N25
VCCVK
N26
VCCVK
P22
VCCVK
P23
VCCVK
P24
VCCVK
P25
VCCVK
P26
VCCVK
M21
VCCVK
M22
VCCVK
M23
RTCX1
AE4
RTCX2
AF3
LREQ0
AE6
LFRM
AF6
MRXD0
C8
MIISUS25-1
D12
MIISUS25-2
E12
VCCVK
L21
VCCVK
K21
LAD0
AD8
LAD1
AF7
LAD2
AE7
LAD3
AD7
VBE
G24
VPAR
F24
LREQ1_NC
AE8
PHYRST_NC
D7
PWRGD
AC5
RSMRST
AD4
FERR
U24
A20M
U26
IGNNE
T24
INIT
R26
INTR
T25
NMI
T26
SMI
U25
STPCLK
R24
SLP
V26
GHI/GPIO22
R22
DPSLP/GPIO23
P21
PCICLK
R23
APICCLK/GPI19_NC
U23
APICD0/GPIO10_NC
R25
APICD1/GPIO11_NC
T23
VGATE/GPIO8_NC
AC9
VIDSEL/GPIO28
AC8
VRDSLP/GPIO29
AB9
AGPBZ/GPI6
AD10
VCCVK
M25
VCCVK
L23
VCCVK
L19
VCCVK
M19
VCCVK
N19
VCCVK
P19
GND
AA21
GND
AB19
GND
AB22
GND
AB25
GND
AC18
GND
AE17
GND
W22
GND
W25
GND
AE19
GND
AE22
GND
AE25
GND
AA9
GND
T21
GND
AA10
GND
AB18
GND
K19
VIOUT_NC
F23
VIIN_NC
G22
PHYPWRDN#
F8
U13C
VT8237A
SEEDI (12)
VGATE
VRDSLP
AGPBZ#
PCLKSB (2)
HTSTOPSB#(3,8)
FWH_FLASH#(22)
40mil
VBAT
LPC_DRQ#
LPC_FRAME#
VLAD[0..15]
C528
0.1U
VBE#(10)
UPCMD(10)
DNCMD(10)
UPSTB+(10)
FERR#
UPSTB-(10)
DNSTB+(10)
DNSTB-(10)
1 2
L48
HCB-2012K-121T30
AGPBZ#
LPC_FRAME#(22,24)
APICD1
APICD0
1 2
L49
HCB-2012K-121T30
C279
0.1UF(R)
C280
0.1UF
C277
0.1UF(R)
LPC_DRQ#(22)
T
GND_SBPLL
+2.5VSBPLL
ALL_PWRGD(2,3,10,11,31)
T
DNSTB-
T
RSMRST#(21,31)
A C
D9
SCS551V
T
ALL_PWRGD
T
+2.5VRAM
Y3
32.768KHZ
T
GND_SBPLL
C295
10PF
C294
10PF
+2.5VSBPLL
T
T
T
APICD0
T
T
AGPBZ# (10)
T
VGATE
T
C884
1UF(R)
T
BAT1
CR2032
VLAD11
VCOMPP
LVREF_SB
VCLK_SB
VLAD14
VLAD12
VLAD13
VLAD8
VLAD15
VLAD10
VLAD9
VLAD7
VLAD6
VLAD5
VLAD3
VLAD4
VLAD2
VLAD0
VLAD1
VPAR
VPAR(10)
VCLK_SB(2)
T
T
+3VS+2.5VS
PCLKSB
SPACE 15 mil
VDD5(14,16,18,23,24,26,27,32)
VDD5
VDD5
LVREF_SB
20 mil
RSMRST#
VBAT
LPC_AD0
R239 1K
T
LPC_AD1
LPC_AD2
SWBKON(16)
LPC_AD3
R223 1K
HTSTOPSB#
R216 360
T
R212 360
R240 4.7K
T
A C
D8
1N4148
C846
0.1UF
C862 0.1UF
C276 10UF
R82 750_1% R83 560_1%
C866 10UF
C870 0.1UF
R424
1.91K_1%
C872 0.1UF
R584 2
+2.5VS
C860 10UF
C850 0.1UF
C849 10UF
C881 0.1UF
C878 10UF
R206 360_1%
C851 0.1UF
C877 0.1UF
+3VS
C847 0.1UF
C867 10UF
C863 0.1UF
R81 1K
C853 0.1UF
C876 0.1UF
C852 0.1UF
C861 0.1UF
R84
1K
C854 0.1UF
CA2
1U
C869 10UF
C865 0.1UF
C871 0.1UF
FERR#
R241 4.7K
+2.5VS
APICD1
2 1
J2
JOPEN
LPC_DRQ#
R633 4.7K
C527
0.1U
T
VBAT
VBAT
+2.5VS
VBAT(12)
+2.5VS(3,8,11,12,34)
T
VLAD[0..15](10)
R204
4.7K
+3VS(2,8,9,10,11,12,14,15,16,19,20,21,22,24,25,27,29,31,32,33)
+3VS
C272
0.1U
C275
0.1U
R205
665_1%
LPC_AD2(22,24)
LPC_AD1(22,24)
LPC_AD0(22,24)
LPC_AD3(22,24)
GNDRAM
+3VS(2,8,9,10,11,12,14,15,16,19,20,21,22,24,25,27,29,31,32,33)
+3VS
VRDSLP
VCOMPP
APICCLK
32KHZX1
SATA_LED#(16)
32KHZX2
Sheet 13 of 40
SB VT8237A-3 LPC,
LAN, VLINK
