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93LC56T-I/SN

更新时间： 2024-11-18 05:06:07
品牌 Logo 应用领域
美国微芯 - MICROCHIP 可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
22页 102K
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1K/2K/4K 2.5V Microwire Serial EEPROM

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93LC56T-I/SN 数据手册

 浏览型号93LC56T-I/SN的Datasheet PDF文件第2页浏览型号93LC56T-I/SN的Datasheet PDF文件第3页浏览型号93LC56T-I/SN的Datasheet PDF文件第4页浏览型号93LC56T-I/SN的Datasheet PDF文件第5页浏览型号93LC56T-I/SN的Datasheet PDF文件第6页浏览型号93LC56T-I/SN的Datasheet PDF文件第7页 
AN560  
Using the 93LC56 and 93LC66  
3-Wire Byte Write Program  
INTRODUCTION  
– Delay Routine  
The Microchip Technology Inc. 93LC56/66 are low-  
power 3-wire non-volatile memories and are suitable for  
manyembeddedsystemcodeanddatastorageapplica-  
tions. Thesedevicesareeasilyinterfacedtomostmicro-  
controllers in today's market place, but Microchip’s 8-bit  
RISC series PIC16CXX offers the best code density of  
any microcontroller on the market today. Using the  
PIC16C54, the assembly programs contained in this  
application note have been fully tested and provide the  
correct timing and 3-wire sequences to fully operate the  
93LC56/66 in a PIC16CXX-based embedded applica-  
tion. The PIC16C54 was clocked at a 10MHz frequency.  
This application note is intended to provide the engineer  
with readily available stand-alone code modules to  
accomplishallofthenecessaryfunctionstoutilize these  
devices in a low power application using the efficient  
PIC16C54 microcontroller.  
– Start Bit Routine  
– Bit Out Routine  
– Transmit Data Routine  
– Power-up Routine  
– Erase/Write Enable Routine (EWEN)  
– Byte Write Routine  
– Erase/Write Disable Routine (EWDS)  
3-Wire Byte Write with Data Polling Program  
– Data Polling Delay Routine  
– Start Bit Routine  
– Bit Out Routine  
The 93 series of devices have essentially four I/O pins:  
– Transmit Data Routine  
– Power-up Routine  
CS  
CLK  
DI  
Chip Select  
Clock  
– Erase/Write Enable Routine  
– Write Routine  
Data In  
DO  
Data Out  
– Erase/Write Disable Routine (EWDS)  
This series of devices use a series of commands to  
accomplish the normal memory functions. These are  
READ, WRITE, EWEN, ERASE, ERAL, WRAL, EWDS.  
For a more detailed discussion of the function of these  
devicesreferencetheappropriatedatasheetandAN536,  
also published by Microchip Technology.  
3-Wire Sequential Read Program  
– Delay Routine  
– Start Bit Routine  
– Bit In Routine  
– Receive Data Routine  
– Bit Out Routine  
– Transmit Data Routine  
– Power-up Routine  
– Read Routine  
The following programs are included in this application  
note and are fully functional stand-alone modules. They  
are intended for use by those who are not already  
familiar with interfacing a PIC16CXX microcontroller to  
a 93 series device. For those with more experience,  
please refer to application note AN530.  
8
3-Wire Byte Read Program  
– Start Bit Routine  
– Receive Data Routine  
– Bit Out Routine  
Author:  
Bruce Negley  
Memory Products Division  
– Transmit Data Routine  
– Power-up Routine  
– Read Routine  
© 1994 Microchip Technology Inc.  
DS00560D-page 1  
8-99  
1234567...22

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93LC56T-I/SN 替代型号

型号 品牌 替代类型 描述 数据表
93LC56-I/P MICROCHIP

完全替代

 1K/2K/4K 2.5V Microwire Serial EEPROM
93LC56/P MICROCHIP

类似代替

 256 X 8 MICROWIRE BUS SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8
93LC56-I/SN MICROCHIP

类似代替

 1K/2K/4K 2.5V Microwire Serial EEPROM

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 		256 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO8, 0.150 INCH, PLASTIC, SOIC-8
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 		1K/2K/4K 2.5V Microwire Serial EEPROM

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