PIC17C756A MICROCHIP [Microchip Technology], PIC17C756A Datasheet - Page 176

• Manufacturer Part Number: PIC17C756A
• Description: High-Performance 8-bit CMOS EPROM Microcontrollers with 10-bit A/D
• Manufacturer: MICROCHIP [Microchip Technology]

PIC17C7XX
15.4
Example 15-2 shows MPLAB
the I
24LC01B serial EEPROM. This example uses the
PICmicro
EXAMPLE 15-2:
DS30289B-page 176
// Include necessary header files
#include <p17c756.h>
#include <delays.h>
#include <stdlib.h>
#include <i2c16.h>
#define CONTROL 0xa0
// Function declarations
void main(void);
void WritePORTD(static unsigned char data);
void ByteWrite(static unsigned char address,static unsigned char data);
unsigned char ByteRead(static unsigned char address);
void ACKPoll(void);
// Main program
void main(void)
{
static unsigned char address;
static unsigned char datao;
static unsigned char datai;
}
2
C module in Master mode to communicate with a
address = 0;
OpenI2C(MASTER,SLEW_ON);
SSPADD = 39;
while(address<128)
{
}
while(1)
{
}
Example Program
®
datao = PORTB;
do
{
} while(datai != datao);
address++;
Nop();
’C’ libraries included with MPLAB C17.
ByteWrite(address,datao);
ACKPoll();
datai = ByteRead(address);
INTERFACING TO A 24LC01B SERIAL EEPROM (USING MPLAB C17)
®
// Processor header file
// Delay routines header file
// Standard Library header file
// I2C routines header file
// Control byte definition for 24LC01B
C17 ’C’ code for using
// I2C address of 24LC01B
// Data written to 24LC01B
// Data read from 24LC01B
// Preset address to 0
// Configure I2C Module Master mode, Slew rate control on
// Configure clock for 100KHz
// Loop 128 times, 24LC01B is 128x8
// Write data to EEPROM
// Poll the 24LC01B for state
// Read data from EEPROM into SSPBUF
// Loop as long as data not correctly
//
// Increment address
// Done writing 128 bytes to 24LC01B, Loop forever
written to 24LC01B
2000 Microchip Technology Inc.