Datasheet

 2013 Microchip Technology Inc. DS30003030B-page 161
PIC24FV16KM204 FAMILY
FIGURE 14-3: MSSPx BLOCK DIAGRAM (I
2
C™ MODE)
FIGURE 14-4: MSSPx BLOCK DIAGRAM (I
2
C™ MASTER MODE)
Match Detect
SSPxADD
Internal Data Bus
Address Match
Set/Reset S, P bits
Shift
Clock
MSb
LSb
Note: Only port I/O names are shown in this diagram. Refer to the text for a full list of multiplexed functions.
SCLx
SDAx
Start and
Stop bit Detect
Read Write
SSPxBUF
SSPxSR
Address Mask
Start bit, Stop bit,
Internal Data Bus
Set/Reset S, P (SSPxSTAT), WCOL
Shift
Clock
MSb
LSb
SDAx
Acknowledge
Generate
Stop bit Detect
Write Collision Detect
Clock Arbitration
State Counter for
End of XMIT/RCV
SCLx
SCLx In
Bus Collision
SDAx In
RCV Enable
Clock Cntl
Clock Arbitrate/WCOL Detect
(hold off clock source)
SSPxADD<6:0>
Baud
Set SSPxIF, BCLxIF
Reset ACKSTAT, PEN
Rate
Generator
SSPM<3:0>
Start bit Detect
SSPxSR
SSPxBUF
Read Write