PIC24EP256GU810-I Datasheet, PDF (346/622 Pages) Electronic Film Capacitors, Inc. – 16-Bit Microcontrollers and Digital Signal Controllers with High-Speed PWM, USB and Advanced Analog

dsPIC33EPXXX(GP/MC/MU)806/810/814 and PIC24EPXXX(GP/GU)810/814
FIGURE 19-1:
I²C™ BLOCK DIAGRAM (X = 1 OR 2)
SCLx/
ASDLx⁽¹⁾
SDAx/
ASDAx⁽¹⁾
I2CxRCV
Shift
Clock
I2CxRSR
LSb
Match Detect
Address Match
Internal
Data Bus
Read
I2CxMSK
Write
Write
Read
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
FP
Read
I2CxSTAT
I2CxCON
Write
Read
Write
Read
Write
Read
I2CxBRG
Write
Read
Note 1:
The availability of I²C interfaces varies by device. Refer to the “Pin Diagrams” section for availability.
Selection (SDAx/SCLx or ASDAx/ASCLx) is made using the device Configuration bits, ALTI2C1 and
ALTI2C2 (FPOR<5:4>). See Section 29.0 “Special Features” for more information.
DS70616G-page 346
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