PIC24EP256GU810-I Datasheet, PDF (322/622 Pages) Electronic Film Capacitors, Inc. – 16-Bit Microcontrollers and Digital Signal Controllers with High-Speed PWM, USB and Advanced Analog

FIGURE 17-1:
QEI BLOCK DIAGRAM
FLTREN
GATEN
HOMEx
INDXx
QEBx
Digital
Filter
FHOMEx
FP
 QFDIV
FINDXx
Quadrature
Decoder
Logic
COUNT
DIR
COUNT
EXTCNT
DIVCLK
DIR_GATE
DIR
DIR_GATE
1’b0
CCM
CNTPOL
1
COUNT_EN
0
CNT_DIR
QEAx
EXTCNT
DIR_GATE
CNTCMPx
PCHGE
PCLLE
OUTFNC
PCLLE
PCHGE
FP
 INTDIV
FINDXx
CNT_DIR
(INDXxCNT)
32-Bit Index Counter Register
INDXxCNTH INDXxCNTL
DIVCLK
COUNT_EN
32-Bit Interval
Timer Register
(INTxTMR)
CNT_DIR
PCLEQ
32-Bit Less Than
or Equal Comparator
PCLLE
32-Bit Less Than or Equal
Compare Register
(QEIxLEC)
(POSxCNT)
32-Bit Position Counter Register
COUNT_EN
COUNT_EN
CNT_DIR
POSxCNTH POSxCNTL
PCHEQ
32-Bit Greater Than
or Equal Comparator
PCHGE
32-Bit Greater Than or Equal
Compare Register
(QEIxGEC)⁽¹⁾
16-Bit Index Counter
Hold Register
(INDXxHLD)
32-Bit Interval Timer
Hold Register
(INTxHLD)
16-Bit Velocity
Counter Register
(VELxCNT)
16-Bit Position Counter
Hold Register
(POSxHLD)
QCAPEN
32-Bit Initialization and
Capture Register
(QEIxIC)⁽¹⁾
Data Bus
Note 1: These registers map to the same memory location.
Data Bus