Texas Instruments TMS320F2802 - 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
TMS320F2809, TMS320F2808, TMS320F2806
TMS320F2802, TMS320F2801, TMS320C2802
TMS320C2801, TMS320F28016, TMS320F28015
SPRS230N – OCTOBER 2003 – REVISED MAY 2012 www.ti.com
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
SPRU790 ) for more details.
Figure 4-6. eQEP Functional Block Diagram
60 Peripherals Copyright © 2003–2012, Texas Instruments Incorporated
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TMS320C2801 TMS320F28016 TMS320F28015