Datasheet 搜索 > 微控制器 > NXP（恩智浦） > MCHC908QY2CDWE 数据手册 > MCHC908QY2CDWE 产品描述及参数 1/232 页
器件3D模型￥ 26.93
MCHC908QY2CDWE 产品描述及参数 - NXP（恩智浦）
制造商:
NXP（恩智浦）
分类:
微控制器
封装:
SOIC-16
描述:
MCHC908 系列 1.5 KB 闪存 128 字节 RAM 8 位 微控制器 - SOIC - 16
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P22P23P24P100P108P110Hot
原理图在P21P40P41P63P80P81P86P87P91P96P112P113
封装尺寸在P229P230
型号编码规则在P229P230
功能描述在P19P20P22P24P39P41P43P45P54P59P61P63
技术参数、封装参数在P209P210P212P214P216P218P220P222P224P226P228P229
应用领域在P103
电气规格在P92P209P210P211P212P214P216P218P220P222P224P226
导航目录
MCHC908QY2CDWE数据手册
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of 232 Go
若手册格式错乱，请下载阅览PDF原文件
MC68HC908QB8 Data Sheet, Addendum 5/2012
Freescale Semiconductor 1
Addendum to MC68HC908QB8, rev. 3
This addendum introduces a change to this data sheet.
Chapter 17 Development Support, Section 17.3.2 Security
A security feature discourages unauthorized reading of FLASH locations while in monitor mode. The host
can bypass the security feature at monitor mode entry by sending eight security bytes that match the
bytes at locations $FFF6–$FFFD. Locations $FFF6–$FFFD contain user-defined data.
NOTE
Do not leave locations $FFF6–$FFFD blank. For security reasons, program
locations $FFF6–$FFFD even if they are not used for vectors.
Changes to:
Chapter 17 Development Support, Section 17.3.2 Security
A security feature discourages unauthorized reading of FLASH locations while in monitor mode. The host
can bypass the security feature at monitor mode entry by sending eight security bytes that match the
bytes at locations $FFF6–$FFFD. Locations $FFF6–$FFFD contain user-defined data.
NOTE
Do not leave locations $FFF6–$FFFD blank. For security reasons, program
locations $FFF6–$FFFD even if they are not used for vectors. An improved
security function denies monitor mode entry if five or more of the eight
security bytes are $00 (zero bytes).
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