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MC68302EH25C 产品描述及参数 - NXP（恩智浦）
制造商:
NXP（恩智浦）
分类:
微处理器
封装:
QFP-132
描述:
微处理器, Coldfire系列M683XX系列, 8位/32位, 25MHz, 5V电源, QFP-256
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3D模型
符号图
焊盘图
引脚图
产品图
MC68302EH25C数据手册
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MC68302 AutoBaud Specificati
o
n - Rev.2.0
Table of Contents
AutoBaud controller.................................................................................................1
1.1 Overview................................................................................................1
1.2 AutoBaud Channel Reception Process ..................................................2
1.3 AutoBaud Channel Transmit Process ....................................................3
1.4 Autobaud Parameter RAM ....................................................................4
1.5 AutoBaud Programming Model.............................................................5
1.5.1 Initialization of the AutoBaud Microcode Package.........................6
1.5.2 Preparing for the AutoBaud Process................................................6
1.5.3 Enter_Baud_Hunt Command...........................................................7
1.5.4 AutoBaud Command Descriptor......................................................7
1.5.5 AutoBaud LookUp Table................................................................9
1.5.5.1 LookUp Table Example ..........................................................10
1.5.6 Determining Character Length and Parity.....................................11
1.5.7 AutoBaud Reception Error Handling Procedure ...........................12
1.5.8 AutoBaud Transmission.................................................................12
1.5.8.1 Automatic Echo ......................................................................12
1.5.8.2 Smart Echo ..............................................................................13
1.5.9 Switching To Another Protocol.....................................................14
1.6 AutoBaud Programming Example.......................................................14
Freescale Semiconductor, I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
nc
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