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3. TECHNICAL BRIEF
3.13.7 USB interface
ZR345X is a USB 2.0 Device or On-the-Go dual-role device (OTG) with the following characteristics:
• Complies with USB (Universal Serial Bus) 2.0 specifications
• Complies with On-the-Go Supplement 1.0a
• Integrated 45-ohm termination, 1.5Kilohm pull-up and 15-Kilohm pull-down resistors.
• Supports 480-Mbps high-speed, 12-Mbps full-speed and 1.5Mbps low-speed (Host mode only) data
transmission rates.
• C 4 endpoints:
❏
EP0 - two-way Control
❏
2-input , 2-output - Bulk, INT or ISO
• Suspend, resume, reset and SOF signaling
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
1%
3.4K
R321
3.3K
UDN
P4
P3
UDP
P6
UID
URSET
M7
J4
UVBUS
MM
MMP_USB_D-
VREG_5V
SWITCH FOR USB2.0
100K
R519
+VPWR
9
VCC
8
_OE
FSUSB30UMX U504
D+
3
D-
5
GND
4
1
HSD1+
7
HSD1-
2
HSD2+
HSD2-
6
SEL
10
0.01u
C542
MSM_USB_D-
MMP_USB_D-
USB_SELECT_N
USB_D+
USB_D-
MS
MM