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): 79/102頁
文件大?。?/td> 511K
代理商: AT43USB326-AU
79
AT43USB326
3313D–USB–04/06
Figure 14.
Low-speed Downstream Port Load
Note:
1. With 6.000 MHz, 100 ppm crystal.
Table 19.
USB Driver Characteristics, Low-speed Operation
Symbol
Parameter
Condition
Min
Max
Unit
TR
Rise time
CL = 200 - 600 pF
75
300
ns
TF
Fall time
CL = 200 - 600 pF
75
300
ns
TRFM
TR/TF matching
80
125
%
TxD+
TxD-
R
S
R
S
C
L
C
L
C
L
= 200 pF to 600 pF
3.6V
1.5 K Ohm
Table 20.
USB Source Timings, Full-speed Operation
Symbol
Parameter
Condition
Min
Max
Unit
TDRATE
Full Speed Data Rate
(1)
Average Bit Rate
11.97
12.03
Mb/s
TFRAME
Frame Interval
(1)
0.9995
1.0005
ms
TRFI
Consecutive Frame Interval Jitter
(1)
No clock adjustment
42
ns
TRFIADJ
Consecutive Frame Interval Jitter
(1)
With clock adjustment
126
ns
TDJ1
TDJ2
Source Diff Driver Jitter
To Next Transition
For Paired Transitions
-2
-1
2
1
ns
TFDEOP
Source Jitter for Differential Transition to
SEO Transitions
-2
5
ns
TDEOP
Differential to EOP Transition Skew
-2
5
ns
TJR1
TJR2
Receiver Data Jitter Tolerance
To Next Transition
For Paired Transitions
-18.5
-9
18.5
9
ns
TFEOPT
Source SEO interval of EOP
160
175
ns
TFEOPR
Receiver SEO interval of EOP
82
ns
TFST
Width of SEO interval during differential
transition
14
ns
相關PDF資料
PDF描述
AT43USB351M-AC Full-speed/Low-speed USB Microcontroller with ADC and PWM
AT43USB353M-AC Low Cost Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB355E-AC Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB355E-AU Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB355M-AC Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
相關代理商/技術參數(shù)
參數(shù)描述
AT43USB351M 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset
AT43USB351M_04 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed/ Low-speed USB Microcontroller with ADC and PWM
AT43USB351M-AC 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed/ Low-speed USB Microcontroller with ADC and PWM
AT43USB353M 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset
AT43USB353M_03 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Low Cost USB Microcontroller with Hub, ADC and PWM