Oxford Semiconductor, Inc.
OXU210HP Data Sheet
Table 12 OXU210HP 128-Pin LQFP Pin Allocations (Sheet 2 of 2)
(1)
Pin
No.
Bits
Name
Description
Type
67
1
V
Analog 3.3 V power for the charge pump Pulse Width
Modulator (PWM)
PWM3
USB Interface (9 pins)
48, 49
63, 62
71
2
2
1
B
B
DP_HOST, DM_HOST
DP_OTG, DM_OTG
Data lines for host port. If not used, these pins should
be left floating
Data lines for OTG port. If not used, these pins
should be left floating
5I
V
V
input used by the voltage comparators of the
BUS
BUS
OTG port for connection. This pin should be left
floating in a host-only application
75
1
P5O
/EXVBO
Turn on/off the external V
(5 V) for OTG
BUS
operation (1:V
off, 0: V
on) when using the
BUS
BUS
external V
source
BUS
76
77
1
1
P5IU
P5IU
/OC
ID
Over current condition indicator for powered host
ports
Connected to the ID pin of the mini-AB connector for
OTG applications. With the help of an internal pull-up
resistor, this pin determines the chip’s responsibility
in an OTG application (0: A-device, 1:B-device)
78
1
P5OT
I
/PO
Turn on/off gang power for all host ports
Clock Interface (2 pins)
57
1
XSCI
Input. A 12 MHz passive crystal should be connected
across the two pins (XSCI and XSCO). Optionally, a
12 MHz oscillator can be sourced through XSCI
while keeping XSCO unconnected
58
1
O
XSCO
Output
Internal V
Charge Pump (3 pins)
BUS
69
1
O
PD_PMOS
EXT
Internal charge pump output for P-MOSFET (optional
switch on the V
)
OUT
66
70
1
1
O
I
Internal charge pump output for N-MOSFET
V
Internal charge pump output voltage feedback pin
OUT
Test (9 pins)
85, 86, 87, 88,
100, 101, 102,
103
8
1
OC
I
DEBUG - DEBUG
Debug outputs
0
7
89
TEST
Factory test mode. This pin should be grounded or
left floating (has an internal pull-down) for normal
operation
Miscellaneous (2 pins)
50
61
1
1
B
B
REF_HOST
REF_OTG
Connect external reference resistor (12 KW +/‐
1%) to V . One per port
SSA
DS-0037 Feb 07
External—Free Release
11
OXFORD [ OXFORD SEMICONDUCTOR ]
