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| 型號(hào)： | AT85C51SND3B1-RTTUL |
| 廠商： | Atmel |
| 文件頁(yè)數(shù)： | 4/119頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DECODER/ENCODER DGTL 100-LQFP |
| 標(biāo)準(zhǔn)包裝： | 90 |
| 類型： | 音頻編碼器/解碼器 |
| 應(yīng)用： | 移動(dòng)電話，手機(jī)，視頻顯示器 |
| 電壓 - 電源，數(shù)字： | 1.65 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 100-LQFP |
| 供應(yīng)商設(shè)備封裝： | 100-LQFP（14x14） |
| 包裝： | 托盤(pán) |
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101
AT85C51SND3B
7632D–MP3–01/07
USB Device Operating modes
Introduction
The USB device controller supports high speed and full speed data transfers. In addition
to the default control endpoint, it provides six other endpoints, which can be configured
in control, bulk, interrupt or isochronous modes:
Endpoint 0:
programmable size FIFO up to 64 bytes, default control endpoint.
Endpoints 1 and 2:
programmable size FIFO up to 512 bytes in ping-pong mode.
Endpoints 3 to 6:
programmable size FIFO up to 64 bytes in ping-pong mode.
The controller starts in the “idle” mode. In this mode, the pad consumption is reduced to
the minimum.
Power-On and Reset
Figure 59 shows the USB device controller main states after power-on.
Figure 59. USB Device Controller Reset State Machine
The reset state of the Device controller is:
the macro clock is stopped in order to minimize the power consumption (FRZCLK
set)
the USB device controller internal state is reset (all the registers are reset to their
default value. Note that DETACH is set.)
the endpoint banks are reset
the D+ or D- pull up are not activated (mode Detach)
The D+ or D- pull-up will be activated as soon as the DETACH bit is cleared and VBUS
is present.
The macro is in the ‘Idle’ state after reset with a minimum power consumption and does
not need to have the PLL activated to enter in this state.
The USB device controller can at any time be reset by clearing USBE.
Speed Identification
The high-speed reset is managed by the hardware. At the connection, the host makes a
reset that can be:
a classic reset (Full-speed) or
a High-speed reset (High-speed).
Reset
Idle
HW
RESET
USBE=0
<any
other
state>
USBE=0
USBE=1
UID=1
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| AT85C51SND3B2-RTTUL | 功能描述:音頻 DSP Microcontroller RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| AT85C51SND3BX | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:MP3 Microcontrollers |
| AT85C51SND4B1-7FTUL | 功能描述:音頻 DSP Microcontroller RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| AT85DVK-07 | 功能描述:開(kāi)發(fā)板和工具包 - 8051 DEV Kit SND3 RoHS:否 制造商:Silicon Labs 產(chǎn)品:Development Kits 工具用于評(píng)估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓: |
| AT85EC5122 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES |
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