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Prelminary
2004.11.12
USB IF (5 pin)
Pin name
Pin no.
UDP
61
UDM
183
USBINS
182
UCLK48
6
UCLKSEL
124
I/O
Polarity
Circuit
USB data D
I/O signal pin on the plus side of the USB data.
Use the LSI with 25
I/O
C
external series load resistors, 1.5 k pull-up resistors and
about 100 k
unused.
USB data D
I/O signal pin on the minus side of the USB data.
Use the LSI with 25
I/O
C
external series load resistors, 1.5 k pull-up resistors and
about 100 k
unused.
USB insert input pin
IN
D
USB socket input detection pin. Be sure to input "0" when
not using USB macro.
48 MHz input (external clock input) pin
This pin inputs an external 48-MHz clock signal.
The USB macro operates based on this clock. Input the
IN
D
clock with high accuracy (as not only LSI but also a device)
more than 2500 ppm. Input "0" when the USB macro is un-
used.
USB clock select pin
Clock select pin using for USB macro
IN
D
"0" : Using internal clock
"1" : Using UCLK48
MB91401
Function/application
(differential) pin
to 30
(27
recommended)
resistors. Input "0" when the USB macro is
(differential) pin
to 30
(27
recommended)
resistors. Input "0" when the USB macro is
13
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