Schematic Diagrams
VT8237 2/3 B - 15
B.Schematic Diagrams
VT8237 2/3
Sheet 14 of 39
VT8237 2/3
+3V
IDE_PDA0
IDE_SDD0
IDE_SDD1
C327
.1U_50V_06
R506 0_06
R518 *0_04
+3V
SMB_ALERT#
IDE_PDD15
PM_STPCPU#
AZ_SY NC
Z1405
8237_SUSB#
R499 1K_06
SATA50COMP
AZ_SDIN0
INT_IRQ15
GPIOD
R638
*10K_06
PM_SUS_STAT# 6
IDE_PDD2
SUSA#
IDE_SDA0
IDE_SDD3
IDE_SIORDY
SMB_SBCLK 8,9,10,16,25
AZ_BITCLK 21,22
SMB_SBDATA
+
C561
470U_4V_D
IDE_PDA217
SUSA#
SMB_SBCLK
PM_CLKRUN#
SIDEVREF
R200 6.19K_1%_06
0/1: SATA Master/Slave mode
IDE_PDA117
SMB_SBDATA
IDE_SDDACK#
R525 4.7K_06
C569
*0.1U_50V_06
FB16
HCB2012KF-121T30_08
IDE_PDCS1#17
IDE_SDD5
C323
.1U _50V_06
R470 4.7K_06
R237 *0_06
R198 1K_06
IDE_PIORDY17
AZ_RST# 21,22
IDE_PDA1
Z1406
IDE_PDDACK#
R465 *0_06
+2.5VS
IDE_PDCS3#17
ACSY NC
INT_IRQ15
C336
0.1u/16V_04
+2.5VS
IDE_PIORDY
AZ_SD OUT
SERIRQ
R547 *2.2K_06
R480 4.7K_06
FOR VT8237R plus ONLY
VDDA0
R500 *2.2K_06
R238 4.7K_06
SIO_OSC
IDE_PDCS3#
R220 4.7K_06
C582
*10U_10V_08
+3VS
SATARXN017
Z1404
IDE_PDD4
C342
0.1u/16V_04
R195 4.7K_06
1206
SATARXP017
Z1414
BGA2B
VT8237R plus-BGA539/VT8237A-BGA541
AA22
Y24
AA26
AA25
AB26
AC26
AC23
AD25
AD26
AC24
AC25
AB24
AB23
AA24
Y26
AA23
W23
V25
W24
Y23
V24
W26
Y25
Y22
V22
V23
T1
U3
V2
U1
V3
T2
U2
T3
AD24
AE26
AC20
AB20
AC21
AE18
AF18
AD18
AD19
AF19
AE20
AF20
AD20
AE21
AF21
AD21
AD22
AF22
AD17
AD23
AF23
AE23
AF17
AF25
AF26
AF24
AC22
AE24
AD2
Y2
AA1
W4
AC1
V4
Y3
AB3
AA2
AD3
AF2
AB1
AC4
AB2
AC2
AA3
AE2
AE5
AF5
AC6
AD5
AB7
AC7
AD6
AA4
AB4
AB5
AB6
J9
J10
J11
AF14
L13
L14
AE9
AF1
L15
K9
L9
J12
L18
M9
AB14
AC14
AD12
AD13
AD14
AD15
AD16
AE12
AE14
AE16
AF12
L16
M11
AC11
AC17
AB13
AC13
AE15
AF15
AB15
AC15
AF16
L11
L12
T4
U4
AD9
AF8
AB8
AC3
AD1
AE1
Y4
AF9
Y1
AE3
AE13
AF13
AC10
AB10
AE11
AF11
AD11
AE10
AF10
AC19
AB21
AB11
AB17
W12
W13
W14
W15
W16
M18
N9
N18
P9
P18
R9
R18
T9
T18
U9
U18
V9
V10
V11
V12
V13
V14
V15
V16
V17
V18
AC16
AC12
AB16
AB12
M12
M13
M14
M15
M16
N11
N12
N13
N14
N15
N16
F6
F7
J5
K5
P5
R5
W5
V5
K18
Y5
PDD00
PDD01
PDD02
PDD03
PDD04
PDD05
PDD06
PDD07
PDD08
PDD09
PDD10
PDD11
PDD12
PDD13
PDD14
PDD15
PDA0/PDA0*
PDA1/PDA1*
PDA2/PDA2*
PDDRQ
PDDACK/PDDACK*,PDDACK
PDIOR/PHDMARDY/PHSTROBE
PDIOW/PSTOP
PDRDY/PDDMARDY/PDSTROBE
PDCS1/PDCS1*,PDCS1
PDCS3/PDCS3*
ACBITCLK,AZBITCLK
ACSDIN0,AZSDIN0
ACSDIN1,AZSDIN1
ACSDIN2,AZSDIN2/GPI20/GPO20/PCS0
ACSDIN3,AZSDIN3/GPI21/GPO21/PCS1/SLPBTN
ACSY NC,AZSY NC/ACSYNC*
ACSDOUT,AZSDOUT/ACSDOUT*
ACR ST,AZRST
IRQ14
IRQ15
SDD00
SDD01
SDD02
SDD03
SDD04
SDD05
SDD06
SDD07
SDD08
SDD09
SDD10
SDD11
SDD12
SDD13
SDD14
SDD15
SDDRQ
SDDACK
SDIOR/SHDMARDY/SHSTROBE
SDIOW/SSTOP
SDRDY/SDDMARDY/SDSTROBE
SDCS1
SDCS3
SDA0
SDA1
SDA2
PWRBTN
RING/GPI03
EXTSMI/GPI02
PME
LID/GPI04
BATLOW/GPI05
SUSST1/GPO03
SUSCLK/GPO04
SUSA/GPO02
SUSB
SUSC
SMBALRT
SMBCK1
SMBDT1
GPI01,GPI01/THRMTRIP
GPO00
GPI00
Strap_VD1*,GPIOA*/PCREQA*
Strap_VD0*,GPIOC* /PCGNTA*
Strap_VD3*,GPIOD* /PCGNTB*
Strap_VD2*,GPIOB*/PCREQB*
PCKRUN
CPUSTP/GPO05
PCISTP/PCISTP*/GPO06
VSUS33-1
VSUS33-2
VSUS33-3
VSUS33-4
VCC25-1
VCC25-2
VCC25-3
GNDATS11
GND
GND
TEST
PWROK
GND
VCC25-5
VCC25-6
VCC25-4
VCC25-7
VCC25-8
GNDATS0
GNDATS1
GNDATS2
GNDATS3
GNDATS4
GNDATS5
GNDATS6
GNDATS7
GND ATS8
GNDATS9
GNDATS10
GND
GND
VCCAS2
VCCAS1
STXP1
STXN1
SRXP2
SRXN2
STXP2
STXN2
GNDATS12
GND
GND
VSUS25-1
VSUS25-2
SERIRQ
SPKR/SPKR*
OSC
SMBCK2/GPI27/GPO27
SMBDT2/GPI26/GPO26
INTRUDER/GPI16
AOLGPI/THRM/GPI18
TPO
CPUMISS/GPI17
GPO01
SRXP1
SRXN1
VCCAO
GNDAO
VCCA33,NC
GNDA33,NC
SREXT
SXO
SXI
SVREF,NC
SCOMPP,NC
VCCAS4
VCCAS3
VDDATS-1
VDDATS-2
VDDATS-3
VDDATS-4
VDDATS-5
VCC25-9
VCC25-10
VCC25-11
VCC25-12
VCC25-13
VCC25-14
VCC25-15
VCC25-16
VCC25-17
VCC25-18
VCC25-19
VCC25-20
VCC25-21
VCC25-22
VCC25-23
VCC25-24
VCC25-25
VCC25-26
VCC25-27
VCC25-28
VCC25-29
GNDAS1
GNDAS2
GNDAS3
GNDAS4
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
NC, WAKE
C223
0.1u/16V_04
IDE_PDD0
R254 *2.2K_06
Z1415
C603
1U_10V_06
FB15
HCB3216KF-800T30_32
R226 4.7K_06
R505 0_06
IDE_SDIOR#
IDE_PDCS3#
SUSCLK
8237_PWR OK
Z1403
U11
74AHC1G08GW
2
1
4
3
5
GPI18
GPO0
IDE_SDD2
IDE_SDDREQ
IDE_SDD10
CPUMISS
IDE_IRQ
C568
4.7U _10V_08
AZ_SDOUT 21,22
PCIE_WAKE#
R464 *0_06
SMBCK2
R82 0_06
C402
4.7U_10V_08
+3VS
R519 *4.7K_06
R498 4.7K_06
+2.5VS +2.5V
+5VS
TPO
R479 0_06
R227 1M_06
+3V
2.5VSATA
C571
5P_50V_06
VDDA0
SATARXP0
RN40
8P4RX1K
1
2
3
4 5
6
7
8
R533 4.7K_06
Z1408
SERIRQ
25MHZXO_S
R233 1M_06
R517 4.7K_06
IDE_SDD11
IDE_PDDREQ
R515 1K_06
R511 10K_06
+VCCRTC
PM_CLKRUN# 20
SATATXP0
SUSCLK
SUSB#
SMB_ALERT#
R507 10K_06
+2.5VS
PC_SPKR 22
PME#
R217 4.7K_06
+3VS
PME# 16,20,24
R258 10K_06
RN39
8P4RX2.2K
1
2
3
45
6
7
8
C572
.1U _50V_06
Z1411
R286 4.7K_06
Z1401
IDE_SDD13
8237TEST
SREXT
R508 10K_06
GPIOA
IDE_SDD9
SM_INTRUDER#
C328
1U_10V_06
R248 *1K_06
+3VS
SMB_SBCLK
C600 22P_50V_06
R287 4.7K_06
SWI# 20
SM_INTRUDER#
ID E_PDCS1#
R199 4.7K_06
+3V
GPI0
Z1412
R232 10K_06
+3VS
IDE_PDD9
NEWCARD_RST#
IDE_PDD[0..15]
GPIOA
SMI#
X2
25MHz
1 2
IDE_SDD6
PM_SU S_STAT#
AZ_RST#
SB_PWROK
SDIN3
R249 4.7K_06
+2.5VS
Z1402
PM_CLKRUN#
IDE_PDIOR#
IDE_PDD13
FOR VT8237R plus ONLY
IDE_PDD6
PWR_BTN# 20
IDE_PDIOW#
IDE_PDD11
TPO
IDE_IRQ17
RN22
8P4RX1K
1
2
3
4 5
6
7
8
+2.5VS
PCIE_WAKE# 6,16,25
IDE_SDDREQ
RING
R252 4.7K_06
PM_STPCPU#
R253 4.7K_06
SATATXN017
25MHZXI_S
SB_PWROK 6,30
IDE_SDD4
C606 22P_50V_06
C593 22P_50V_06
+
C377
330U_6.3V_D
R514 2.2K_06
GPI18
PM_STPPCI#
GPI04
PCIE_WAKE#
VT8237A => 6.12K
AP339A
+3VS
NEWCARD_RST# 25
CPUMISS
PM_ST PPCI#
R639 *0_06
C329
.1U_50V_06
FB17
*HCB2012KF-121T30_08
IDE_SDD7
IDE_PDD5
SATARXN0
2.5VSATA
0/1:Disable/Enable LAN shadow EEPROM
+2.5VS
SCI# 20
SMB_SBDATA 8,9,10,16,25
GPO1
PM_SU S_ STAT#
VDDA33
R231 10K_06
SUSC# 20
IDE_SDIOW#
25MHZXI_S
R532 22_06
R224 *0_06
SMI# 20
AZ_RST#
C356 22P_50V_06
AZ_SY NC 21,22
VDDA33
PM_BATLOW#
AZ_SD IN1
R474 5.6KK_06
C322
*0.1U_50V_06
C616
4.7U_10V_08
PEXMESCI# 6
IDE_PDD3
IDE_SDD8 SMBDT2
GPO1
SIDEVREF
11/28
IDE_PDCS1#
GPIOD
GPI04
R262 10K_06
U37
74AHC1G08GW
2
1
4
3
5
PCIRST#13
8237_SUSB#
Modufy A1 rev
IDE_SDD12
R606 *1K_06
R230 0_06
+3VS
R585 2.2K_06
IDE_PDA017
RSMRST#15,20
IDE_PDA2
GPI04
C330
4.7U_10V_08
SUSB# 12,15,20,21,23,24,25,27,28
AZ_SD IN0
+3VS
8237TEST
IDE_SDD7
R211
*0_04
R473 4.7K_06
+3VS
IDE_PDIOW#17
SDIN3
IDE_PDD1
R481 *2.2K_06
+3VS
+3V
SEEDI15
IDE_SDA1
PC_SPKR
R241 4.7K_06
R540 22_06
Power Up Strapping for VT8237A
+3VS
IDE_IRQ
Z1407
IDE_PDA2
SUSCLK
C570
5P_50V_06
RN23
8P4RX2.2K
1
2
3
4 5
6
7
8
IDE_PDD [0..15]17
IDE_PDD12
PC_SPKR
IDE_PDD8
ID E_PDDAC K#
R478 0_06
IDE_PDD10
R523 0_04
R250 *2.2K_06
R240
10K_06
11/28
AZ_SDIN0 22
IDE_PDA1
Z1416
GPO0
SMBDT2
+3V
SREXT
Z1410
SDIN2
PM_BATLOW#
SIO_OSC 10
SMBCK2
8237_PWROK
AZ_SDIN1 21
IDE_PDDACK#17
AZ_SDIN1
C403
0.1u/16V_04
PM_STPCPU# 10
SATATXP017
IDE_PDD7
GPIOC
AZ_BITCLK
R279 10K_06
+3V
PME#
8237_PWROK
IDE_PDD14
C632
1U_10V_06
R288 1K_06
R239 10K_06
SATATXN 0
25MHZXO_S
R466 0_06
RING
IDE_SDD15
AZ_SY NC
R215 4.7K_06
+3V
GPIOB
R244 0_06
IDE_PDIOR#17
IDE_PDDREQ17
GPIOB
R296 22_06
PWR_BTN#
AZ_SDOUT
GPIOC
R463 0_06
R221 4.7K_06
+3VS
Z1413
IDE_SDA2
R193 10K_06
SUSC#
ACSDO
IDE_PDA0
Z1409
CPUMISS
IDE_SIORDY
ACSYNC
SDIN2
IDE_SDCS3#
IDE_SDD14
R216
*360_1%_06
R275 *2.2K_06
R537 1K_06
R520 *1K_06
0/1:Enable/disable External SATA PHY
PM_STPPCI# 10
SERIRQ 20,24
IDE_SDCS1#
GPI0
GPI18
ACSDO
R524 4.7K_06
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