參數(shù)資料
型號: AT43USB326-AU
廠商: Atmel Corp.
英文描述: Multimedia USB Keyboard Controller with Embedded Hub
中文描述: 多媒體USB鍵盤控制器的嵌入式集線器
文件頁數(shù): 77/102頁
文件大小: 511K
代理商: AT43USB326-AU
77
AT43USB326
3313D–USB–04/06
Note:
VCEXT is the voltage at CEXT1, CEXT2.
Table 15.
USB Signals: DPx, DMx
Symbol
Parameter
Condition
Min
Max
Unit
V
IH
Input Level High (driven)
2.0
V
V
IHZ
Input Level High (floating)
2.7
V
V
IL
Input Level Low
0.8
V
V
DI
Differential Input Sensitivity
DPx and DMx
0.2
V
V
CM
Differential Common Mode
Range
0.8
2.5
V
V
OL1
Static Output Low
RL of 1.5 k
to 3.6V
0.3
V
V
OH1
Static Output High
RL of 15 k
to
GND
2.8
3.6
V
V
CRS
Output Signal Crossover
1.3
2.0
V
V
IN
Input Capacitance
20
pF
Table 16.
PA, PB, PC, PD, PF
Symbol
Parameter
Condition
Min
Max
Unit
V
OL2
Output Low Level, PA, PB,
PE[0:3]
IOL = 4 mA
0.5
V
RPU
PC Pull-up resistor current
V = 0
90
280
μA
V
IL3
Input Low Level, PC
0.3 VCEXT
V
V
IH3
Input High Level, PC
0.7 VCEXT
V
V
IL4
Input Low Level, PD[0,1]
0.3 VCEXT
V
V
IH4
Input High Level, PD[0,1]
0.7 VCEXT
V
V
OL4
Output Low Level, PD[0,1]
IOL = 4 mA
0.3 VCEXT
V
V
OH4
Output High Level, PD[0,1]
IOH = 4 mA
0.7 VCEXT
V
C
Input/Output capacitance
1 MHz
10
pF
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