
USB
R31, R29, C1 are close to pin 35 (VBUSM).
X'TAL 12MHZ
16~20pF/30~50ppm
Close to pin38(VD5_IN)
500mA
300mA
300mA
500mA
signal only 8 mil
* 5 couples of DP, DM, must be at least
1500 mil with 15 of 45-degree-angle (USB-IF).
PIN 19
PIN 32
PIN 41
PIN 27
PIN 3
PIN 29
PIN 13
PIN 9
Bypass CAP , close to each indicated pin
of FE1.1, and should not be removed.
USB POWER
Close to pin39
Close to pin26
2.7K+-1% close to pin 28
USB_DP1
USB_DM1
USB_DP2
USB_DM2
HUB 3_3V
HUB 3_3V
USB_DM2
H
U
B
3_3V
VS_PLL
HUB 1_8V
USB_DP2
HUB 1_8V
BUS_B
VD_PLL
H
U
B
3_3V
HUB 1_8V
H
U
B
3_3V
USB_DP1
USB_DM1
VD_PLL
USB1_DM
USB1_DP
5V_USB
5V_USB_WIFI
5V_USB
HUB 3_3V
HUB 1_8V
+5V
HUB 3_3V
+5V
HUB 1_8V
HUB 3_3V HUB 3_3V
HUB 3_3V HUB 3_3V
HUB 1_8V
HUB 1_8V
HUB 3_3V
5V_USB
+5V
5V_USB_WIFI
5V_USB
HUB 3_3V
USB0_DM
2
USB0_DP
2
USB1_DM 2
USB1_DP 2
C517
100n/16V
C517
100n/16V
R709
10k
R709
10k
C521
100n/16V
C521
100n/16V
C525
10n/50V
C525
10n/50V
C523
100n/16V
C523
100n/16V
C99
10u/16V
C99
10u/16V
C96
100n/16V
C96
100n/16V
F1
nanoSMDC200F-2
F1
nanoSMDC200F-2
1
2
C143 10u/16V
C143 10u/16V
C522
100n/16V
C522
100n/16V
R70
5.1R
R70
5.1R
C102 10u/16V
C102 10u/16V
F2
nanoSMDC200F-2
F2
nanoSMDC200F-2
1
2
C224
10u/16V
C224
10u/16V
C93
100n/16V
C93
100n/16V
C57
100n/16V
C57
100n/16V
C524
100n/16V
C524
100n/16V
C94
100n/16V
C94
100n/16V
R28
100k
R28
100k
R31
10k
R31
10k
R700
5.1R
R700
5.1R
C520
100n/16V
C520
100n/16V
C277
100u/16V/NC
C277
100u/16V/NC
L17
STPB2012-121PT
L17
STPB2012-121PT
R71
5.1R
R71
5.1R
VD52
ESDA6V8UBA
VD52
ESDA6V8UBA
Vp
4
I/O1
2
I/O2
3
GND
1
R29
100k
R29
100k
C519
100n/16V
C519
100n/16V
C237
10u/16V
C237
10u/16V
C518
100n/16V
C518
100n/16V
C67
100n/16V
C67
100n/16V
XP17
XP17
VCC
1
D -
2
D+
3
GND
4
GN
D
5
GN
D
6
XP13
XP13
VCC
1
D -
2
D+
3
GND
4
GN
D
5
GN
D
6
R30
2.7k
R30
2.7k
C75
10u/10V
C75
10u/10V
R702
5.1R
R702
5.1R
FE1_QFP48
N9
FE1.1-HX
FE1_QFP48
N9
FE1.1-HX
DI
S
_
RE
G
37
VD
5_IN
38
VD
33_OU
T
39
TEST
40
VD
33
41
DRV
42
LED
1
43
LED
2
44
LED
3
45
LED
4
46
PW
R
B1
47
OVC
B1
48
OVCB2
1
PWRB2
2
VD18_3
3
PWRB3
4
OVCB3
5
VSS
6
OVCB4
7
PWRB4
8
VD_PLL
9
VS_PLL
10
XOUT
11
XIN
12
DP
1
24
DM1
23
VSS_22
22
DP
2
21
DM2
20
VD
33_19
19
DP
3
18
DM3
17
VSS_16
16
DP
4
15
DM4
14
VD
33_13
13
BUS_B
36
VBUSM
35
XRSTJ
34
VSS_33
33
VD33_32
32
DPU
31
DMU
30
VD18_29
29
REXT
28
VD3_IN
27
VREG18
26
VS_A
25
L44
BLM18PG121SN1
L44
BLM18PG121SN1
VD51
ESDA6V8UBA
VD51
ESDA6V8UBA
Vp
4
I/O1
2
I/O2
3
GND
1
VD50
ESDA6V8UBA
VD50
ESDA6V8UBA
Vp
4
I/O1
2
I/O2
3
GND
1
C56
10u/10V
C56
10u/10V
C235
10u/16V
C235
10u/16V
Z2
JAM12D
Z2
JAM12D
1
2
R44
100k
R44
100k
XP12
XP12
VCC
1
D -
2
D+
3
GND_4
4
G
ND_
5
5
G
ND_
6
6
C1
100n/16V
C1
100n/16V
LTDN32k316AM<DN42K310WAM
main
board:4900
Содержание LTDN32k316AM
Страница 26: ...26 5 Circuit instruction 5 1 Power assign and block diagram...
Страница 27: ...27 5 2 Main board signal process...
Страница 35: ...35 6 Schematic circuit diagram 7 Explode View...
Страница 49: ......