參數(shù)資料
型號(hào): 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): 82/102頁
文件大小: 511K
代理商: AT43USB326-AU
82
AT43USB326
3313D–USB–04/06
Table 23.
Hub Event Timings
Symbol
Parameter
Condition
Min
Max
Unit
TDCNN
Time to detect a
downstream port connect
event
2.5
2000
μs
TDDIS
Time to detect a
disconnect event on
downstream port
Awake Hub
Suspended Hub
2.5
2.5
2000
12000
μs
TURSM
Time from detecting
downstream resume to
rebroadcast
100
μs
TDRST
Duration of driving reset to
a downstream device
Only for a SetPortFeature
(PORT_RESET) request
10
20
μs
TDSPDEV
Time to evaluate device
speed after reset
2.5
1000
μs
TURLK
Time to detect a long K
from upstream
2.5
5.5
μs
TURLSEO
Time to detect a long SEO
from upstream
2.5
5.5
μs
TURPSEO
Duration of repeating SEO
upstream
23
FS
bits
TUDEOP
Duration of sending SEO
upstream after EOF1
2
FS
bits
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