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USB RTC (71-888E0-D04) - For 888E C - 21
888E Schematic Diags
USB RTC
Sheet 20 of 44
USB RTC (888E)
SYS5V VCC_RTC
VCC_RTC
USBVCC0
SYS3V
USBVCC0
USBVCC2
USBVCC3
USBVCC4
USBVCC3
USBVCC4
VCC5
USBVCC0
USBVCC2
VCC5
USBVCC4
USBVCC3
USBVCC2
RTC_VBIAS
RTC_RST#
VCCRTC
OC0#
OC2#
OC3#
OC4#
R110 1K
C175
0.047U
R90
750_1%
R96
2K_1%
R560
560
R537 15K
C783
1U(0805)
J5
JOPEN
21
R529
1K
C387
0.1U
L49HF50ACB321611T
R538 1K
C392
47P(R)
C388
47P(R)
D45
1SS355
A C
D44
F01J2E
A C
D43
F01J2E
AC
C782
1U(0805)
J8JOPEN
2 1
C478
47P(R)
CN9
USB-PLUG
5
6
7
8
1
2
3
4
9
10
11
12
V+_OUT1
DATA_L1
DATA_H1
GND
V+_OUT2
DATA_L2
DATA_H2
GND
GND
GND
GND
GND
C471
47P(R)
L58
HF50ACB321611T
R269
560K
R273 470K
R335 470K
R340
560K
C479
0.1U
C491
47P(R)
C910
47P(R)
C495
0.1U
L61
HF50ACB321611T
C359
47P(R)
CN10
USB-PLUG
5
6
7
8
1
2
3
4
9
10
11
12
V+_OUT1
DATA_L1
DATA_H1
GND
V+_OUT2
DATA_L2
DATA_H2
GND
GND
GND
GND
GND
L46HF50ACB321611T
C493
47P(R)
C366
47P(R)
C86
47P(R)
R639 18.2_1%(R)
R57 18.2_1%(R)
C85
47P(R)
R253 470K
R251
560K
R370
560K
R366 470K
C480
10U(0805)
U30
RT9701CBL
1
2
3
4
5
VOUT
GND
VIN
VIN
VOUT
R56 18.2_1%(R)
C385
10U(0805)
C380
4.7U(0805)
C481
0.1U
C384
0.1U
C490
4.7U(0805)
C345
0.1U
C326
4.7U(0805)
U28
RT9701CBL
1
2
3
4
5
VOUT
GND
VIN
VIN
VOUT
C354
10U(0805)
C494
10U(0805)
C346
0.1U
C497
4.7U(0805)
C496
0.1U
C89
47P(R)
BAT1
BATTERY
R644 18.2_1%(R)
R643 18.2_1%(R)
C92
47P(R)
C87
47P(R)
R58 18.2_1%(R)
C93
47P(R)
R640 18.2_1%(R)
C88
47P(R)
R59 18.2_1%(R)
D70
F1AJ3
AC
D71 F1AJ3
A C
D69 F1AJ3
A C
L124
PLW3216S161SQ2
34
21
L125
PLW3216S161SQ2
34
21
L126
PLW3216S161SQ2
34
21
L127
PLW3216S161SQ2
34
21
D68
F1AJ3
AC
VCCRTC [19]
RTC_RST# [19]
RTC_VBIAS [19]
OC0#[19,21]
OC2#[19]
USB1P3-[19]
USB1P3+[19]
USB1P4-[19]
USB1P4+[19]
OC3#[19,21]
OC4#[19]
USB2P2+[21]
USB2P2-[21]
USB2P1+[21]
USB2P1-[21]
USB1P0-[19]
USB1P0+[19]
USB1P2-[19]
USB2P4+[21]
USB2P4-[21]
USB2P3+[21]
USB2P3-[21]
USB1P2+[19]
RTC Circuitry
PLACE NEAR ICH3
PLACE NEAR ICH3
Close to USB-PLUG
Close to USB-PLUG