5 enhanced qep modules (eqep1/2) – Texas Instruments TMS320F2802 User Manual
Page 60

QWDTMR
QWDPRD
16
QWDOG
UTIME
QUPRD
QUTMR
32
UTOUT
WDTOUT
Quadrature
Capture
Unit
(QCAP)
QCPRDLAT
QCTMRLAT
16
QFLG
QEPSTS
QEPCTL
Registers
Used by
Multiple Units
QCLK
QDIR
QI
QS
PHE
PCSOUT
Quadrature
Decoder
(QDU)
QDECCTL
16
Position Counter/
Control Unit
(PCCU)
QPOSLAT
QPOSSLAT
16
QPOSILAT
EQEPxAIN
EQEPxBIN
EQEPxIIN
EQEPxIOUT
EQEPxIOE
EQEPxSIN
EQEPxSOUT
EQEPxSOE
GPIO
MUX
EQEPxA/XCLK
EQEPxB/XDIR
EQEPxS
EQEPxI
QPOSCMP
QEINT
QFRC
32
QCLR
QPOSCTL
16
32
QPOSCNT
QPOSMAX
QPOSINIT
PIE
EQEPxINT
Enhanced QEP (eQEP) Peripheral
System Control
Registers
QCTMR
QCPRD
16
16
QCAPCTL
EQEPxENCLK
SYSCLKOUT
To CPU
Data Bus
SPRS230N – OCTOBER 2003 – REVISED MAY 2012
4.5
Enhanced QEP Modules (eQEP1/2)
The 280x device contains up to two enhanced quadrature encoder (eQEP) modules. See the
TMS320x280x, 2801x, 2804x Enhanced Quadrature Encoder Pulse (eQEP) Module Reference Guide
(literature number
) for more details.
Figure 4-6. eQEP Functional Block Diagram
60
Peripherals
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