DSPIC33FJMC202ESS datasheet(187/330 Pages) MICROCHIP

187 / 330 page

DS70283K-page 187

dsPIC33FJ32MC202/204 and dsPIC33FJ16MC304

18.2

I2C Resources

Many useful resources are provided on the main prod-

uct page of the Microchip web site for the devices listed

in this data sheet. This product page, which can be

accessed using this link, contains the latest updates

and additional information.

18.2.1

KEY RESOURCES

• Section 13. “Inter-Integrated Circuit™ (I2C™)”

(DS70195)

• Code Samples

• Application Notes

• Software Libraries

• Webinars

• All related dsPIC33F/PIC24H Family Reference

Manuals Sections

• Development Tools

18.3

I2C Registers

I2CxCON and I2CxSTAT are control and status

registers, respectively. The I2CxCON register is

readable and writable. The lower six bits of I2CxSTAT

are read-only. The remaining bits of the I2CSTAT are

read/write:

• I2CxRSR is the shift register used for shifting

data.

• I2CxRCV is the receive buffer and the register to

which data bytes are written, or from which data

bytes are read.

• I2CxTRN is the transmit register to which bytes

are written during a transmit operation.

• The I2CxADD register holds the slave address.

• A status bit, ADD10, indicates 10-bit Address

mode.

• The I2CxBRG acts as the Baud Rate Generator

(BRG) reload value.

In receive operations, I2CxRSR and I2CxRCV together

form a double-buffered receiver. When I2CxRSR

receives a complete byte, it is transferred to I2CxRCV,

and an interrupt pulse is generated.

Note:

In the event you are not able to access

the product page using the link above,

enter

this

URL

your

browser:

http://www.microchip.com/wwwproducts/

Devices.aspx?dDocName=en530334

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