93LC56AT-I/OTG

更新时间： 2024-02-27 21:48:41

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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数据手册
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93LC56AT-I/OTG 数据手册

Using the 93LC56 and 93LC66

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

CLK

Chip Select

Clock

– Erase/Write Enable Routine

– Write Routine

Data In

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.

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

DS00560D-page 1

8-99

12 3 4 5 6 7...22

中文翻译

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93LC56AT-I/OTG 替代型号

型号	品牌	替代类型	描述	数据表
93AA56AT-I/OT	MICROCHIP	类似代替	2K Microwire Compatible Serial EEPROM
25AA020AT-I/OT	MICROCHIP	类似代替	2K SPI Bus Serial EEPROM

与93LC56AT-I/OTG相关器件

型号	品牌	获取价格	描述	数据表
93LC56ATI/P	MICROCHIP	获取价格	2K Microwire Compatible Serial EEPROM
93LC56AT-I/P	MICROCHIP	获取价格	2K Microwire Compatible Serial EEPROM
93LC56ATI/PG	MICROCHIP	获取价格	2K Microwire Compatible Serial EEPROM
93LC56AT-I/SM	MICROCHIP	获取价格	256 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO8, 0.208 INCH, PLASTIC, SOIC-8
93LC56ATI/SN	MICROCHIP	获取价格	2K Microwire Compatible Serial EEPROM
93LC56AT-I/SN	MICROCHIP	获取价格	2K Microwire Compatible Serial EEPROM
93LC56AT-I/SNA21	MICROCHIP	获取价格	256 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO8, 3.90 MM, ROHS COMPLIANT, PLASTIC, SOIC-8
93LC56AT-I/SNA22	MICROCHIP	获取价格	256 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO8, 3.90 MM, ROHS COMPLIANT, PLASTIC, SOIC-8
93LC56ATI/SNG	MICROCHIP	获取价格	2K Microwire Compatible Serial EEPROM
93LC56AT-I/SNG	MICROCHIP	获取价格	256 X 8 MICROWIRE BUS SERIAL EEPROM, PDSO8, 3.90 MM, ROHS COMPLIANT, PLASTIC, SOIC-8

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