IIC 存储器 自检

INTRODUCTION
This application note describes a method to automati-
cally detect the memory size of a serial EEPROM con-
nected to an I
2
C bus. The topics include:
• Automatic detection of memory size on the I
2
C
bus
• Standard I
2
C
• Smart Serial or the I
2
C Dilemma
• Another set of routines for I
2
C
• How to tell the addressing scheme
• How to tell the size
• Putting it all together
• Debugging
• Compatibility
• References
M AN690
I2C Memory Autodetect
detection. In this application note, we will show how to
Author: Lucio Di Jasio implement the automatic detection in an easy, safe and
Microchip Technology , Italy compatible way.
The software techniques explained in the following will
be demonstrated on a generic mid-range PICmicro
INTRODUCTION microcontroller (MCU), PIC16C62A and can be