参数资料
型号: AT85C51SND3B1-7FTUL
厂商: Atmel
文件页数: 4/119页
文件大小: 0K
描述: IC DECODER/ENCODER DGTL 100CBGA
标准包装: 90
类型: 音频编码器/解码器
应用: 移动电话,手机,视频显示器
电压 - 电源,数字: 1.65 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 100-TFBGA
供应商设备封装: 100-CTBGA(9x9)
包装: 托盘
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
相关PDF资料
PDF描述
JN1FS04FKK CONN PLUG 4POS R/A W/SOCKET SLD
AD1970JSTZRL IC ENCODER BTSC W/CODEC 48-LQFP
ADV7177KSZ IC DAC VIDEO NTSC 3-CH 44MQFP
VI-24L-CU-S CONVERTER MOD DC/DC 28V 200W
VI-24K-CU-S CONVERTER MOD DC/DC 40V 200W
相关代理商/技术参数
参数描述
AT85C51SND3B1N-DDV 功能描述:音频 DSP Microcontroller RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube
AT85C51SND3B1N-RTTUL 功能描述:音频 DSP Microcontroller RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube
AT85C51SND3B1-RTTUL 功能描述:音频 DSP MP3/WMA USB2.0 w/o DAC+DC/DC RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube
AT85C51SND3B2-RTTUL 功能描述:音频 DSP Microcontroller RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube
AT85C51SND3BX 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:MP3 Microcontrollers