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AT43USB325 bảng dữ liệu(PDF) 101 Page - ATMEL Corporation

tên linh kiện AT43USB325
Giải thích chi tiết về linh kiện  Multimedia USB Keyboard Controller with Embedded Hub
PDF  109 Pages
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nhà sản xuất  ATMEL [ATMEL Corporation]
Trang chủ  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT43USB325 bảng dữ liệu(HTML) 101 Page - ATMEL Corporation

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101
3355C–USB–4/05
AT43USB325
Table 9-10.
Hub Timings, Full-speed Operation
Symbol
Parameter
Condition
Min
Max
Unit
THDD2
Hub Differential Data Delay without cable
44
ns
THDJ1
THDJ2
Hub Diff Driver Jitter to Next Transition for
Paired Transitions
-3
-1
3
1
ns
TFSOP
Data Bit Width Distortion after SOP
-5
5
ns
TFEOPD
Hub EOP Delay Relative to THDD
0
15
ns
TFHESK
Hub EOP Output Width Skew
-15
15
ns
Table 9-11.
Hub Timings, Low-speed Operation
Symbol
Parameter
Condition
Min
Max
Unit
TLHDD
Hub Differential Data Delay
300
ns
TLHDJ1
TLHDJ2
TLUHJ1
TLUHJ2
Downstr Hub Diff Driver Jitter to Next
Transition, downst for Paired Transitions,
downst to Next Transition, upstr for Paired
Transitions, upstr
-45
-15
-45
-45
45
15
45
45
ns
TSOP
Data Bit Width Distortion after SOP
-60
60
ns
TLEOPD
Hub EOP Delay Relative to THDD
0
200
ns
TLHESK
Hub EOP Output Width Skew
-300
300
ns
Table 9-12.
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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