MCP9804T-E/MS Microchip Technology, MCP9804T-E/MS Datasheet - Page 44

• Manufacturer Part Number: MCP9804T-E/MS
• Description: High-Accuracy, 12-bit Thermal Sensor With Serial Interface 8 MSOP 3x3mm T/R
• Manufacturer: Microchip Technology

Specifications of MCP9804T-E/MS

• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Register Bank
• Sensor Type: Internal
• Sensing Temperature: -40°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: No
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Temperature Threshold: + 150 C
• Full Temp Accuracy: +/- 0.25 %
• Digital Output - Bus Interface: 2-Wire, I2C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Supply Current: 200 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP9804
/********************************************************************
*
*
*
*
********************************************************************/
void i2c_start(void) {
}
/********************************************************************
*
*
*
*
*
********************************************************************/
void i2c_repStart(void) {
}
/********************************************************************
*
*
*
*
*
********************************************************************/
void i2c_stop(void) {
}
DS22203B-page 44
PIR1bits.SSPIF = 0;
while (SSPSTATbits.BF );
SSPCON2bits.SEN = 1;
while (!PIR1bits.SSPIF) ;
PIR1bits.SSPIF = 0;
PIR1bits.SSPIF = 0; // clear flag
while ( SSPSTATbits.BF ) ;
SSPCON2bits.RSEN = 1;
while (!PIR1bits.SSPIF) ;
PIR1bits.SSPIF = 0; // clear flag
PIR1bits.SSPIF = 0; // clear flag
while ( SSPSTATbits.BF ) ;
SSPCON2bits.PEN = 1;
while (!PIR1bits.SSPIF) ;
PIR1bits.SSPIF = 0; // clear flag
Function Name:
Return Value:
Parameters:
Description:
Function Name:
Return Value:
Parameters:
Description:
Function Name:
Return Value:
Parameters:
Description:
i2c_start
void
void
Send I2C Start Command
i2c_repStart
void
void
Resend I2C Start Command
i2c_stop
void
void
Send I2C Stop command
//clear flag
// clear flag
// wait for idle condition
// wait for a flag to be set
// wait for a flag to be set
// initiate START conditon
// wait for a flag to be set
// wait for idle condition
// wait for idle condition
// initiate Repeated START condition
// Initiate STOP condition
© 2009 Microchip Technology Inc.