參數(shù)資料
型號: MC68HC05JB4DW
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 117/134頁
文件大小: 2440K
代理商: MC68HC05JB4DW
February 24, 1999
GENERAL RELEASE SPECIFICATION
MC68HC05JB4
UNIVERSAL SERIAL BUS MODULE
REV 2
Figure 10-19. Flow Diagram for Bit Stufng
10.5
I/O REGISTER DESCRIPTION
The USB Endpoint registers are comprised of a set of control/status registers and
twenty-four data registers that provide storage for the buffering of data between
the USB and the CPU. These registers are shown in Table 10-2.
Table 10-2. Register Summary
POWER UP
NO PACKET
TRANSMISSION
IDLE
NO
YES
IS PACKAGE
TRANSFER
DONE?
NO
YES
RESET THE BIT
COUNTER TO 0
INSERT A
ZERO BIT
COUNTER = 6?
INCREMENT
THE COUNTER
= 0
= 1
BIT VALUE?
GET NEXT
BIT
RESET BIT
COUNTER TO 0
BEGIN PACKET
TRANSMISSION
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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