參數(shù)資料
型號: MC68HC705JB2P
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 97/128頁
文件大?。?/td> 2493K
代理商: MC68HC705JB2P
GENERAL RELEASE SPECIFICATION
August 28, 1998
UNIVERSAL SERIAL BUS MODULE
MC68HC705JB2
10-2
REV 1.1
10.2
OVERVIEW
This section provides an overview of the Universal Serial Bus (USB) module in the
MC68HC705JB2. This USB module is designed to serve as a low-speed (LS)
USB device per the Universal Serial Bus Specication Rev 1.0. Three types of
USB data transfers are supported: control, interrupt, and bulk (transmit only).
Endpoint 0 functions as a receive/transmit control endpoint. Endpoints 1 and 2
can function as interrupt or bulk, but only in the transmit direction.
A block diagram of the USB module is shown Figure 10-1. The USB module
manages communications between the host and the USB function. The module is
partitioned into four functional blocks. These blocks consist of a 3.3 volt regulator,
a dual function transceiver, the USB control logic, and the endpoint registers. The
blocks are further detailed in Section 10.4.
Figure 10-1. USB Block Diagram
D+
D–
USB
CONTR
OL
LOGIC
T
R
ANSCEIV
ER
RCV
VPIN
VMIN
VPOUT
VMOUT
REGULATOR
3.3 V OUT
CPU BUS
USB REGISTERS
USB
Upstream
Port
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)PDF資料
PDF描述
MC68HC705JB4P 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, PDIP28
MC68HC705K1CDW 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PDSO16
MC68HC705K1CP 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PDIP16
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC705JB4DW 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述:
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MC68HC705JP7CP 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述:
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