PIC17C756A MICROCHIP [Microchip Technology], PIC17C756A Datasheet - Page 177

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

EXAMPLE 15-2:
// Writes the byte data to 24LC01B at the specified address
void ByteWrite(static unsigned char address, static unsigned char data)
{
}
// Reads a byte of data from 24LC01B at the specified address
unsigned char ByteRead(static unsigned char address)
{
}
2000 Microchip Technology Inc.
StartI2C();
IdleI2C();
WriteI2C(CONTROL);
IdleI2C();
if (!SSPCON2bits.ACKSTAT)
{
}
IdleI2C();
StopI2C();
IdleI2C();
return;
StartI2C();
IdleI2C();
WriteI2C(CONTROL);
IdleI2C();
if (!SSPCON2bits.ACKSTAT)
{
}
return(SSPBUF);
WriteI2C(address);
IdleI2C();
if (!SSPCON2bits.ACKSTAT)
WriteI2C(address);
IdleI2C();
if (!SSPCON2bits.ACKSTAT)
{
}
WriteI2C(data);
RestartI2C();
IdleI2C();
WriteI2C(CONTROL+1);
IdleI2C();
if (!SSPCON2bits.ACKSTAT)
{
}
getcI2C();
IdleI2C();
NotAckI2C();
IdleI2C();
StopI2C();
IdleI2C();
INTERFACING TO A 24LC01B SERIAL EEPROM (USING MPLAB C17)
// Send start bit
// Wait for idle condition
// Send control byte
// Wait for idle condition
// If 24LC01B ACKs
// Send control byte
// Wait for idle condition
// If 24LC01B ACKs
// Send data
// Wait for idle condition
// Send stop bit
// Wait for idle condition
// Send start bit
// Wait for idle condition
// Send control byte
// Wait for idle condition
// If the 24LC01B ACKs
// Send address
// Wait for idle condition
// If the 24LC01B ACKs
// Send restart
// Wait for idle condition
// Send control byte with R/W set
// Wait for idle condition
// If the 24LC01B ACKs
// Read a byte of data from 24LC01B
// Wait for idle condition
// Send a NACK to 24LC01B
// Wait for idle condition
// Send stop bit
// Wait for idle condition
PIC17C7XX
DS30289B-page 177