Microchip Technology MA330016 Data Sheet

Page of 300
dsPIC33FJ32GP202/204 and dsPIC33FJ16GP304
DS70290J-page 162
© 2007-2011 Microchip Technology Inc.
FIGURE 16-1:
I
2
C™ BLOCK DIAGRAM   (
X
 = 1) 
Internal
Data Bus
SCLx
SDAx
Shift
Match Detect
I2CxADD
Start and Stop
Bit Detect
Clock
Address Match
Clock
Stretching
I2CxTRN
LSb
Shift Clock
BRG Down Counter
Reload
Control
T
CY
/2
Start and Stop
Bit Generation
Acknowledge
Generation
Collision
Detect
I2CxCON
I2CxSTAT
Co
ntrol Logic
Read
LSb
Write
Read
I2CxBRG
I2CxRSR
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
I2CxMSK
I2CxRCV