參數(shù)資料
型號: SDM-USB-QS-S_
廠商: Linx Technologies Inc
文件頁數(shù): 6/24頁
文件大?。?/td> 0K
描述: MODULE USB LOW SPEED
產(chǎn)品目錄繪圖: SDM-USB-QS-S Top
SDM-USB-QS-S Side
標準包裝: 25
系列: QS
應用: USB,外設
接口: 并行/串行
電源電壓: 4.35 V ~ 5.25 V
封裝/外殼: 16-SMD 模塊
供應商設備封裝: 模塊
包裝: 管件
安裝類型: 表面貼裝
其它名稱: SDM-USB-QS-S
SDM-USB-QS-S_-ND
SDM-USB-QS1-S
10
Theory of Operation
Figure 12 shows a block diagram of the QS module.
The USB transceiver block provides the physical interface for the USB
signalling.
The USB DPLL locks onto the NRZ data and provides separate recovered
clock and data signals to the Serial Interface Engine (SIE).
The SIE performs the parallel-to-serial and serial-to-parallel conversion,
bitstuffing / un-stuffing, and CRC calculations on the USB data.
The USB Protocol Engine manages the data from the USB control
endpoint, the USB protocol requests from the USB host controller, and the
commands for controlling the functional parameters of the UART.
Data from the USB data out endpoint is stored in the TX buffer and
removed from the buffer to the UART transmit register under control of the
UART FIFO controller.
Data from the UART receive register is stored in the RX buffer prior to being
removed by the SIE on a USB request for data from the device data in
endpoint.
Serial Interface
Engine (SIE)
USB Protocol
Engine
UART FIFO
Controller
USB
Transceiver
RX Buffer
384 Bytes
TX Buffer
128 Bytes
USB DPLL
Clock
SUSP_IND
USBDP
USBDM
DATA_OUT
DATA_IN
RTS
CTS
DTR
DSR
DCD
RI
485_TX
TX_IND
RX_IND
UART
VCC
GND
Figure 12: SDM-USB-QS-S Block Diagram
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SDM-USB-QS-S_ 功能描述:MODULE USB LOW SPEED RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:QS 特色產(chǎn)品:NXP - I2C Interface 標準包裝:1 系列:- 應用:2 通道 I²C 多路復用器 接口:I²C,SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP(0.173",4.40mm 寬) 供應商設備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1
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