參數(shù)資料
型號： AT43USB355M-AC
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
中文描述： 8-BIT, MROM, 12 MHz, RISC MICROCONTROLLER, PQFP64
封裝： 1.40 MM, PLASTIC, MS-026ACB, LQFP-64
文件頁數(shù)： 97/115頁
文件大小： 610K
代理商： AT43USB355M-AC
97
AT43USB355
2603G–USB–04/06
Hub Port Status Change Register – PSCR1..3
The microcontroller firmware uses the bits in this register to monitor when a port status change
has occurred, which then gets reported to the host through the Port Change Field
wPortChange
.
Except for bit 3, the Port Overcurrent Indicator Change, the bits in this register are set by the
USB hardware. Otherwise, the firmware should only clear these bits.
Bit 7..5 – Reserved
These bits are reserved in the AT43USB355 and will read as zero.
Bit 4 – RSTSC: Port Reset Status Change
0 = No change
1 = Reset complete
This bit is set by the USB hardware after it completes RESET signaling which is initiated when
the Reset and Enable Port command is detected at the Port Control Register, HPCON. The
firmware sends this command when it decodes a SetPortFeature(PORT_RESET) request
from the host.
At EOF2 after the hardware completes the port reset, the hardware sets the Port Enable Sta-
tus bit and clears the Port Reset Status bit of the Hub Port Status Register, HPSTAT. Cleared
by firmware, ClearPortFeature(PORT_RESET).
Bit 3 – POCIC: Port Overcurrent Indicator Change
0 = No change has occurred on Overcurrent Indicator
1 = Overcurrent Indicator has changed
This bit is relevant to hubs with individual overcurrent reporting only. The firmware sets this bit
as a result of detecting overcurrent at the ports OVC# pin. The firmware clears bit through
ClearPortFeature(PORT_OVER_CURRENT). For Port 1, this bit is always cleared.
Bit 2 – PSSC: Port Suspend Status Change
0 = No change
1 = Resume completed
Port 2, 3 set by hardware upon completion of firmware initiated resume process. Port 1 set by
firmware 20 ms after the next EOF2 after completion of resume process. RESUME signaling is
initiated through global resume, selective resume and remote wakeup. Cleared by firmware
via host request ClearPortFeature(PORT_SUSPEND).
Bit 1 – PESC: Port Enable/Disable Status Change
0 = No change has occurred on Port Enable/Disable Status
1 = Port Enable/Disable status has changed
Bit
7
6
5
4
3
2
1
0
Port1 $1FB0
–
–
–
RSTSC
POCIC
PSSC
PESC
PCSC
PSCR1
Port2 $1FB1
–
–
–
RSTSC
POCIC
PSSC
PESC
PCSC
PSCR2
Port3 $1FB2
–
–
–
RSTSC
POCIC
PSSC
PESC
PCSC
PSCR3
Read/Write
R
R
R
R
R
R
R
R
Initial Value
0
0
0
0
0
0
0
0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT43USB355M-AU 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Full-speed USB Microcontroller with Embedded Hub, ADC and PWM
AT43USB370 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:USB 2.0 Full-Speed Host/Function Processor
AT43USB370E-AC 功能描述:USB 接口集成電路 USB HOST DEVICE CONTROL - 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
AT43USB380 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:On-The-Go Upgrade of the AT43USB370 USB 2.0 Full-Speed Host/Function Processor
AT43USB380E-AC 功能描述:USB 接口集成電路 USB OTG/HOST/FUNC DEVICE CNTRL 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
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