EVB-USB3503 QFN Evaluation Board User’s Guide
DS50002252A-page 16
2014 Microchip Technology Inc.
FIGURE 2-6:
PCB TOP AND BOTTOM SILK SCREEN IMAGES
FIGURE 2-7:
EVB-USB3503 QFN BLOCK DIAGRAM
USB3503
5V
3.3V
1.8V
LDO
LDO
VBAT
VDDCORE_REG
VDD33_BYP
VDD12_BYP
PORT
1
IN
EN
OUT
PRTPWR
PORT
POWER
VBUS
D+
D-
PORT
2
VBUS
D+
D-
PORT
3
VBUS
D+
D-
D1+
D1-
D3+
D3-
D2+
D2-
STROBE
DATA
U.FL CONNECTORS
SCL
SDA
I
2
C
1.8V
Header
