TMS320F28069_14 Datasheet, PDF (139/175 Pages) Texas Instruments – Piccolo Microcontrollers

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TMS320F28069, TMS320F28068, TMS320F28067, TMS320F28066
TMS320F28065, TMS320F28064, TMS320F28063, TMS320F28062
SPRS698D – NOVEMBER 2010 – REVISED DECEMBER 2012
Figure 5-47 shows the block diagram of the eQEP module.
SYSCLKOUT
System Control
Registers
EQEPxENCLK
To CPU
16
QCTMRLAT
QCPRDLAT
QCAPCTL
16
QCPRD
QCTMR
16
Quadrature
Capture
Unit
(QCAP)
Registers
Used by
Multiple Units
QEPCTL
QUTMR
QUPRD
32
QWDTMR
QWDPRD
16
QEPSTS
QFLG
UTOUT
UTIME
QWDOG
QDECCTL
WDTOUT
16
EQEPxINT
PIE
16
QPOSLAT
QPOSSLAT
QPOSILAT
Position Counter/
Control Unit
(PCCU)
QCLK
QDIR
QI
QS
Quadrature
Decoder
PHE (QDU)
PCSOUT
EQEPxAIN
EQEPxBIN
EQEPxIIN
EQEPxIOUT
EQEPxIOE
GPIO
MUX
EQEPxSIN
EQEPxSOUT
EQEPxSOE
EQEPxA/XCLK
EQEPxB/XDIR
EQEPxI
EQEPxS
32
32
16
QPOSCNT
QPOSINIT
QPOSMAX
QPOSCMP
QEINT
QFRC
QCLR
QPOSCTL
Enhanced QEP (eQEP) Peripheral
Figure 5-47. eQEP Functional Block Diagram
Copyright © 2010–2012, Texas Instruments Incorporated
Peripheral and Electrical Specifications 139
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TMS320F28064 TMS320F28063 TMS320F28062