Te chnologic Sys t e ms
Da t e
Tit le :
Re v:
De s igne r
She e t
of
TS-7680 RTC a nd Hos t USB
11
B
Se pt . 1, 2015
20
RTC a nd Hos t USB
SMT RA LEDs
Ext e rna l Hos t USB Port
ST Micro RTC
Boot Jumpe rs
2
7
RN4-B
3. 3K
3
6
RN4-C
3. 3K
R63
649
D20
R34
30
R45
140
R42
140
R43
140
1
2
LED2
Ye llow
1
2
LED3
Gre e n
1
2
LED4
Re d
PF1
PTC_1100MA_1812
C109
. 1 uF
2
3
1
4
TVS3
BGX50A_SOT143
Ve rt ica l
Single
USB
4
GND
1
5V
2
D-
3
D+
5
FRAME1
6
FRAME2
8
FRAME4
7
FRAME3
CN1
CONN_USB_A_RA_VERT_SINGLE
FB14
220 ohm
FB17
220 ohm
2
1
3
4
K1
6
SCL
5
SDA
1
XIN
2
XOUT
8
VCC
7
OUT
3
BAT
4
GND
U15
M41T00S_RTC_SOIC8
12 pF
1
4
2
3
Y3
XTAL_32KHZ_SMT
C224
. 1 uF
C225
. 1 uF
2
7
RN19-B
47K
3
6
RN19-C
47K
