PIC18F2331 Datasheet, PDF (162/396 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D

PIC18F2331/2431/4331/4431
FIGURE 16-1:
MOTION FEEDBACK MODULE BLOCK DIAGRAM
Special Reset Trigger
Timer Reset
T5CKI
Filter
TMR5
Reset
Control
TCY
TMR5<15:0>
CAP3/QEB
Filter
CAP2/QEA
Filter
CAP1/INDX
Filter
Timer5
TMR5IF
Special Event output
TMR5<15:0>
8
3x Input Capture Logic
IC3
IC2
IC1
IC3IF
8
IC2IF
8
IC1IF
Special Reset Trigger
8
Clock
TCY
Divider
Postscaler
QEB
Velocity Event
Timer reset
QEA ^Direction
Clock
QEI
Control
Logic
INDX
CHGIF
Position Counter
QEI Logic
8
8
QEIF
8
CHGIF
IC3IF
IC3DRIF
QEI
8
Mode
Decoder
QEIF
IC2IF
IC2QEIF
DS39616B-page 160
Preliminary
 2003 Microchip Technology Inc.