參數(shù)資料
型號(hào)： AT43USB325E-AU
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： Multimedia USB Keyboard Controller with Embedded Hub
中文描述： 8-BIT, 12 MHz, RISC MICROCONTROLLER, PQFP64
封裝： 1.40 MM HEIGHT, GREEN, PLASTIC, MS-026ACB, LQFP-64
文件頁(yè)數(shù)： 101/109頁(yè)
文件大?。?/td> 643K
代理商： AT43USB325E-AU
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT43USB326 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset
AT43USB326_06 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Multimedia USB Keyboard Controller with Embedded Hub
AT43USB326-AC 功能描述:USB 接口集成電路 USB KEYBOARD F/LOGI- TECH - COM TEMP RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
AT43USB326-AU 功能描述:USB 接口集成電路 USB KEYBOARD FOR LOGITECH - IND TEMP RoHS:否 制造商:Cypress Semiconductor 產(chǎn)品:USB 2.0 數(shù)據(jù)速率: 接口類型:SPI 工作電源電壓:3.15 V to 3.45 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WLCSP-20
AT43USB351M 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Missed Watchdog Timer Reset
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