參數(shù)資料
型號: μPD72012
廠商: NEC Corp.
英文描述: Hub Controller For USB(集線器控制器)
中文描述: 集線器控制器的USB(集線器控制器)
文件頁數(shù): 11/40頁
文件大?。?/td> 342K
代理商: ΜPD72012
Preliminary Data Sheet S13918EJ2V0DS00
11
μ
PD72012
1.3 Equivalent Circuits of Pins
Type
Equivalent Circuit
Pins
Function
5-V voltage
input pin
(Schmitt)
5-V Schmitt on-chip
RST, CS1 to CS5
5-V voltage Schmitt input pin.
5-V voltage
input pin
5 V
CLKSEL, PSSEL,
PVSEL
5-V voltage input pin.
5-V voltage
clock input
pin
5 V
X1, CLK/X2
5-V voltage dedicated clock input pin.
5-V voltage
3.3 V output
pin
3.3 V, I
OL
=6 mA
OSL
5-V voltage 3.3 V output pin.
Pull-up to 5-V line is possible.
Open-drain
output pin
PP1 to PP5
Open-drain structure pin.
USB buffer
IN/OUT(D+)
(D-)
RxDATA
RxSE0
TxDATA
UD0, UD1, D10 to
D50, D11 to D51
USB buffer. The two kinds of receiver are
DATA receiver and SE0 (single end 0) receiver
on the receiving side.
On the sending side, rise and fall times are
managed in the last stage of the buffer in
order to create a difference between low-speed
and full-speed.
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