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XC68HC912D60FU8 参数 Datasheet PDF下载

XC68HC912D60FU8图片预览
型号: XC68HC912D60FU8
PDF下载: 下载PDF文件 查看货源
内容描述: 超前信息 - 冯4.0 [Advance Information - Rev 4.0]
分类和应用: 微控制器和处理器外围集成电路时钟
文件页数/大小: 432 页 / 2948 K
品牌: MOTOROLA [ MOTOROLA ]
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Freescale Semiconductor, Inc.  
Appendix: 68HC912D60A EEPROM  
ERASE — Erase Control  
0 = EEPROM configuration for programming.  
1 = EEPROM configuration for erasure.  
Read anytime. Write anytime if EEPGM = 0.  
Configures the EEPROM for erasure or programming.  
Unless BULKP is set, erasure is by byte, aligned word, row or bulk.  
EELAT — EEPROM Latch Control  
0 = EEPROM set up for normal reads.  
1 = EEPROM address and data bus latches set up for  
programming or erasing.  
Read anytime.  
Write anytime except when EEPGM = 1 or EEDIV = 0.  
BYTE, ROW, ERASE and EELAT bits can be written simultaneously  
or in any sequence.  
EEPGM — Program and Erase Enable  
0 = Disables program/erase voltage to EEPROM.  
1 = Applies program/erase voltage to EEPROM.  
The EEPGM bit can be set only after EELAT has been set. When  
EELAT and EEPGM are set simultaneously, EEPGM remains clear  
but EELAT is set.  
The BULKP, AUTO, BYTE, ROW, ERASE and EELAT bits cannot be  
changed when EEPGM is set. To complete a program or erase cycle  
when AUTO bit is clear, two successive writes to clear EEPGM and  
EELAT bits are required before reading the programmed data. When  
AUTO bit is set, EEPGM is automatically cleared after the program or  
erase cycle is over. A write to an EEPROM location has no effect  
when EEPGM is set. Latched address and data cannot be modified  
during program or erase.  
Advance Information  
414  
68HC(9)12D60 — Rev 4.0  
Appendix: 68HC912D60A EEPROM  
MOTOROLA  
For More Information On This Product,  
Go to: www.freescale.com  
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