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AT43USB353M датащи(PDF) 86 Page - ATMEL Corporation

номер детали AT43USB353M
подробное описание детали  Low Cost Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
PDF  95 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT43USB353M датащи(HTML) 86 Page - ATMEL Corporation

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AT43USB353M
3307B–USB–4/04
Note:
VCEXT is the voltage of CEXT1, CEXT2 and CEXTA.
Note:
XTAL2 must not be used to drive other circuitry.
Note:
1. With external 27
Ω series resistor.
Table 30. PA and PD
Symbol
Parameter
Condition
Min
Max
Unit
VOL2
Output Low Level, PA and PD
IOL = 2 mA
0.5
V
VOH2
Output High Level
IOH = 2mA
VCEXT - 0.4
V
VIL2
Input Low Level
-0.3
0.3 VCEXT
V
VIH2
Input High Level
0.7 VCEXT
VCEXT + 0.3
V
RPU
PC Pull-up resistor current
V = 0
90
280
µA
C
Input/Output capacitance
1 MHz
10
pF
Table 31. Oscillator Signals: XTAL1, XTAL2
Symbol
Parameter
Condition
Min
Max
Unit
VLH
OSC1 switching level
0.47
1.20
V
V
HL
OSC1 switching level
0.67
1.44
V
CX1
Input capacitance, XTAL1
10
pF
CX2
Output capacitance, XTAL2
10
pF
C12
OSC1/2 capacitance
5
pF
tSU
Start-up time
6 MHz, fundamental
2
ms
DL
Drive level
50
µW
Table 32. USB Driver Characteristics, Full Speed Operation
Symbol
Parameter
Condition
Min
Max
Unit
TR
Rise time
CL = 50 pF
4
20
ns
TF
Fall time
CL = 50 pF
4
20
ns
TRFM
TR/TF matching
90
110
%
ZDRV
Driver output resistance
(1)
Steady state drive
28
44
Ω



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