Table of Contents
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ASM2142 1/3
5
ASM2142 USB3.1
Zdiff=80
3.3VS:4mA
31
PCIE_TXP5_ASM1142
3.3V:0.9mA
31
PCIE_TXN5_ASM1142
C883
USB3.1
0.22u_10V_X5R_04
31
PCIE_RXP5_ASM1142
2.5VS:220mA
C882
USB3.1
0.22u_10V_X5R_04
31
PCIE_RXN5_ASM1142
1.05VS:470mA
R302
*20mil short-p
VDDP_12P
1.05V:7.5mA
1.2VS
C537
USB3.1
4.7u_6.3V_X5R_06
12.1K_1%_04
R626
USB3.1
ASM1142_REXT
C881
USB3.1
0.22u_10V_X5R_04
31
PCIE_RXP6_ASM1142
C880
USB3.1
0.22u_10V_X5R_04
D
31
PCIE_RXN6_ASM1142
31
PCIE_TXP6_ASM1142
31
PCIE_TXN6_ASM1142
1.2VS
1.2VS_ASM
U44
L35
.
USB3.1
HCB1608KF-121T30
R300
USB3.1
10K_04
1
3.3VS
VDD
2
38
ASM1142_SMI_N
SMI#
R632
*0402_short
3
35
CLK_REQ5_ASM1142#
PE_CLKREQ#
4
3.3VS
VCC
ASM1142_SPI_SCLK
5
SPI_CLK
ASM1142_SPI_SO
6
SPI_DO
ASM1142_SPI_CE#
7
SPI_CS#
R635
ASM1142_SPI_SI
8
ASM2142
SPI_DI
0_04
ASM1142_PORST
9
39
ASM1142_PORST_EC
PORST#
USB3.1
ASM1142_UART_RX
10
USB3.1
UART_RX
ASM1142_UART_TX
11
ASM2142
*0_04
UART_TX
R648
12
3.3VS
VDD
C552
USB3.1
*10u_6.3V_X5R_06
VCC33_IN
13
VCC_IN
EXTL_O
14
1.2VS_ASM
EXTL
15
PGND
L16
16
VCCSUS_IN
C550
*SWF2520CF-4R7M-M
C
*10u_6.3V_X5R_06
ASM1142_PGND
*0_04
R650
3.3V_ASM
R316
C913
*10u_6.3V_X5R_06
D01A
R658
0_04
USB3.1
USB3.1
R696
*0_04
VDDSUS_IN
1.2V_ASM
0_04
C919
USB3.1
10u_6.3V_X5R_06
D01A
3.3V_ASM
C916
USB3.1
0.1u_16V_Y5V_04
Pin 24
R656
USB3.1
*0_04
R662
0_04
VCCSUS_VCCLU
2.5V_ASM
C915
USB3.1
0.1u_16V_Y5V_04
Pin 20
46
B_UDP
46
B_UDN
45
A_UDP
45
A_UDN
Zdiff=85
2.5V_ASM
VDD3
B
U20
1
5
IN
VOUT
2
GND
C576
1u_6.3V_X5R_04
3
4
R1
SHDN#
SET
NCT3705U-A
R350
10K_1%_04
3.3V
R351
*0402_short
39,44,50,52,56
DD_ON
C581
D02
R2
2/25
*0.01u_50V_X7R_04
1.2VS_ASM
1.2V_ASM
C901
0.1u_16V_Y5V_04
USB3.1
U41
USB3.1
EM5209
1
IN1
2
IN1
13
1.2VS_ASM
OUT1
OUT2
14
A
OUT1
OUT2
C893
12
CT1
0.1u_16V_Y5V_04
USB3.1
C536
220p_50V_NPO_04
USB3.1
C903
10K_04
R646
11,32,33,38,42,52,58
SUSB#
3.3V
C902
USB3.1
1u_6.3V_X5R_04
*0.1u_10V_X7R_04
5
4
3
X4
USB3.1
HW STRAP
FSX3M 20.0000000M16FAO
3
4
ASM1142_UART_TX
R642
Zdiff=95
2
1
ASM1142_UART_RX
R641
R640
ASM1142_SPI_SO
R306
L13
R645
3.3VS_ASM1142
USB3.1
.
ASM1142_SPI_SCLK
R305
3.3VS
C886
R639
1.2VS
*HCB1608KF-121T30
ASM1142_TEST_EN
R660
USB3.1
L21
ASM1142_PE_RST_N
R661
12p_50V_NPO_04
.
C917
2.5V_ASM
HCB1608KF-121T30
CLK_SRC5_ASM1142#
35
CLK_SRC5_ASM1142
35
Zdiff=95
48
PECLKP
47
Zdiff=80
VDDU
46
U3RXN_A
B_URXN_CM
45
U3RXP_A
B_URXP_CM
44
B_UTXN_CM
VCCU
43
B_UTXP_CM
U3TXN_A
42
C542
USB3.1
4.7u_6.3V_X5R_06
U3TXP_A
41
VDDU_12U
R309
*20mil short-p
1.2VS
VDDU
40
U3TXN_B
A_UTXN_CM
39
A_UTXP_CM
U3TXP_B
38
VCCU
37
U3RXN_B
A_URXN_CM
36
U3RXP_B
A_URXP_CM
35
VDDU
34
1.2V_ASM
VDDSUS
33
1.2VS_ASM
VDD
3.3VS
ASM1142_TEST_EN
ASM1142_PE_RST_N
R659
*0402_short
BUF_PLT_RST#
34,39,48,49,50
OCI_B#
45
OCI_A#
46
ASM2142_PRON_B
R321
*0_04
PRON_B
45
ASM_2142_PRON_A
R322
*0_04
PRON_A
46
D18
PCIE_WAKE#_ASM
C
A
PCIE_WAKE#
33,48,50
USB3.1
RB751V-40(lision)
VIN
2.5V_ASM
20mils
R349
C585
C572
47K_1%_04
0.1u_16V_Y5V_04
4.7u_6.3V_X5R_06
Vout=1.24V*(1+R1/R2)
R348
Vout=1.24V*(1+1.037)=2.55V
39,44,50,52,56
44.2K_1%_04
SPI ROM for FW
6
IN2
7
IN2
3.3VS
8
9
C892
10
USB3.1
R307
CT2
1K_04
USB3.1
R634
4.7K_04
USB3.1
4
3
2
C551
USB3.1
10u_6.3V_X5R_06
Pin 38
C909
3.3VS_ASM1142
1.2VS
C534
USB3.1
10u_6.3V_X5R_06
Pin 44
C889
C535
USB3.1
0.1u_16V_Y5V_04
Pin 55
C884
USB3.1
4.7K_04
C538
USB3.1
10u_6.3V_X5R_06
Pin 62
3.3VS
C918
USB3.1
0.1u_16V_Y5V_04
C890
3.3VS
1.2VS_ASM
4.7K_04
USB3.1
C539
USB3.1
0.1u_16V_Y5V_04
Pin 4
C900
3.3VS
*4.7K_04
C558
USB3.1
0.1u_16V_Y5V_04
Pin 32
C556
3.3V_ASM
4.7K_04
USB3.1
C557
USB3.1
0.1u_16V_Y5V_04
3.3VS
*4.7K_04
C914
1.2V_ASM
4.7K_04
USB3.1
C554
3.3VS
*4.7K_04
4.7K_04
USB3.1
DELAY CIRCUIT-
*4.7K_04
3.3VS
-PORT RESET
*0.1u_16V_Y5V_04
3.3VS
R324
3.3V_ASM
3.3VS
ASM1142_PORST
*100K_04
D
USB3.1
Q29B
R323
5
G
*MTDK3S6R
3.3V
3.3V_ASM
D
S
PJ32
*100K_04
1
2
USB3.1
2
G
Q29A
S
*MTDK3S6R
*2mm
C561
46
DEFAULT
D3hot only: POR Delay 1.2V about 70 ms(min)
46
*1u_6.3V_X5R_04
46
USB3.1
46
45
45
45
45
U45
R633
10_06
2
5
USB3.1
IN
BST
C908
C907
4.7u_25V_X5R_08
4.7u_25V_X5R_08
C891
MP2315GJ-Z
USB3.1
USB3.1
0.1u_10V_X7R_04
USB3.1
USB3.1
7
VDD5
VCC
C911
R652
0.22u_10V_X5R_04
L37
*0_04
USB3.1
3
1
SW
BCIHP0420TB-2R2M
1
USB3.1
AAM
R651
C910
47K_1%_04
1000p_50V_X7R_04
R647
USB3.1
USB3.1
20.5K_1%_04
R644
USB3.1
100K_1%_04
R638
USB3.1
10K_04
6
8
DD_ON
EN/SYNC
FB
USB3.1
R643
4
62K_1%_04
USB3.1
5,27,30,33,36,38,39,42,48,50,51,52,53,54,55,56,58,61,62,63,65,66
U43
USB3.1
8
5
ASM1142_SPI_SO
11,39,42,43,52,55,56,57,58,59,60,61,62
VDD
SI
2
ASM1142_SPI_SI
SO
2,11,27,29,42,45,46,47,49,50,52,53,54,55,57,58
1
ASM1142_SPI_CE#
CE#
3,9,10,11,12,13,29,30,32,33,34,35,36,38,39,40,41,42,48,49,50,51,52,59
6
ASM1142_SPI_SCLK
SCK
3
WP#
! ! ! !!DMFWP!DP/
! ! ! !!DMFWP!DP/
! ! ! !!DMFWP!DP/
C897
20p_50V_NPO_04
USB3.1
Title
Title
Title
7
4
[44] ASM2142 (USB3.1 1/3)
[44] ASM2142 (USB3.1 1/3)
[44] ASM2142 (USB3.1 1/3)
HOLD#
VSS
GD25D10BTIGR
M-SO8
6-04-02510-A91
Size
Size
Size
Document Number
Document Number
Document Number
A3
A3
A3
P950HP
P950HP
P950HP
Date:
Date:
Date:
Wednesday, March 08, 2017
Wednesday, March 08, 2017
Wednesday, March 08, 2017
2
Schematic Diagrams
1
USB3.1
0.1u_16V_Y5V_04
Pin 35
USB3.1
10u_6.3V_X5R_06
Pin 47
USB3.1
10u_6.3V_X5R_06
Pin 52
USB3.1
0.1u_16V_Y5V_04
Pin 1
USB3.1
0.1u_16V_Y5V_04
Pin 12
USB3.1
0.1u_16V_Y5V_04
Pin 33
USB3.1
0.1u_16V_Y5V_04
Pin 21
USB3.1
0.1u_16V_Y5V_04
Pin 34
3.3VS
D
R325
D19
*100K_04
*RB751V-40(lision)
USB3.1
C562
*1u_6.3V_X5R_04
Sheet 44 of 74
ASM2142 1/3
C
1.05V_ASM
2A
PJ56
1
2
1.2V_ASM
*OPEN_3mm
DEFAULT
B
2
C898
C896
USB3.1
R649
22u_6.3V_X5R_08
USB3.1
0_04
C905
USB3.1
35,36,53,58
VDD1.0
VDD3
45,46
3.3V_ASM
50,52,56,58
VDD5
VIN
A
3.3V
3.3VS
Rev
Rev
Rev
6-71-P9500-D02A
6-71-P9500-D02A
6-71-P9500-D02A
D02A
D02A
D02A
Sheet
Sheet
Sheet
44
44
44
of
of
of
74
74
74
1
ASM2142 1/3 B - 45
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