Datasheet

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
1632
QPOSCNT
QPOSMAX
QPOSINIT
PIE
EQEPxINT
Enhanced QEP (eQEP) Peripheral
System Control
Registers
QCTMR
QCPRD
1616
QCAPCTL
EQEPxENCLK
SYSCLKOUT
To CPU
Data Bus
TMS320C28346, TMS320C28345, TMS320C28344
TMS320C28343, TMS320C28342, TMS320C28341
SPRS516D –MARCH 2009–REVISED AUGUST 2012 www.ti.com
4.6 Enhanced QEP Modules
The device contains up to three enhanced quadrature encoder (eQEP) modules with 32-bit resolution
(eQEP1, eQEP2, eQEP3). Figure 4-7 shows the block diagram of the eQEP module.
Figure 4-7. eQEP Functional Block Diagram
72 Peripherals Copyright © 2009–2012, Texas Instruments Incorporated
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Product Folder Link(s): TMS320C28346, TMS320C28345, TMS320C28344 TMS320C28343, TMS320C28342,
TMS320C28341