PIC32MX440F256H-80I Datasheet, PDF (412/646 Pages) Microchip Technology – 64/100-Pin General Purpose and USB 32-Bit Flash Microcontrollers

PIC32MX3XX/4XX
FIGURE 18-1:
I²C™ BLOCK DIAGRAM (X = 1 OR 2)
SCLx
SDAx
I2CxRCV
Shift
Clock
I2CxRSR
LSB
Address Match
Match Detect
I2CxADD
Start and Stop
Bit Detect
Start and Stop
Bit Generation
Collision
Detect
Acknowledge
Generation
Clock
Stretching
I2CxTRN
LSB
Shift Clock
Reload
Control
BRG Down Counter
PBCLK
Internal
Data Bus
Read
I2CxMSK
Write
Write
Read
Read
I2CxSTAT
I2CxCON
Write
Read
Write
Read
Write
Read
I2CxBRG
Write
Read
DS61143E-page 410
Preliminary
© 2008 Microchip Technology Inc.