TMS320C6745 Datasheet, PDF (160/209 Pages) Texas Instruments – Floating-point Digital Signal Processor

TMS320C6745/6747 Floating-point Digital Signal Processor
SPRS377A – SEPTEMBER 2008 – REVISED OCTOBER 2008
www.ti.com
6.18 EQEP Peripheral Registers Description(s)
The C6745/6747 device contains up to two enhanced quadrature encoder (eQEP) modules. See the
TMS320C6745/C6747 DSP Peripherals Overview Reference Guide. – Literature Number SPRUFK9. for
more details.
SYSCLK2
System
control registers
EQEPxENCLK
To CPU
16
QCTMRLAT
QCPRDLAT
QCAPCTL
16
QCPRD
QCTMR
16
Quadrature
capture unit
(QCAP)
Registers
used by
multiple units
QEPCTL
QEPSTS
QFLG
EQEPxINT
16
QPOSLAT
QPOSSLAT
QPOSILAT
QUTMR
QUPRD
32
QWDTMR
QWDPRD
16
UTOUT
UTIME
QWDOG
QDECCTL
16
WDTOUT
Position counter/
control unit
(PCCU)
QCLK
QDIR
QI
QS
PHE
Quadrature
decoder
(QDU)
PCSOUT
32
32
16
EQEPxAIN
EQEPxBIN
EQEPxA/XCLK
EQEPxIIN
EQEPxIOUT
EQEPxIOE
EQEPxSIN
GPIO
MUX
EQEPxB/XDIR
EQEPxI
EQEPxSOUT
EQEPxSOE
EQEPxS
QPOSCNT
QPOSINIT
QPOSMAX
QPOSCMP
QEINT
QFRC
QCLR
QPOSCTL
Enhanced QEP (eQEP) peripheral
Figure 6-42. eQEP Functional Block Diagram
Table 6-66 is the list of the EQEP registers.
Table 6-67 shows the eQEP timing requirement and Table 6-68 shows the eQEP switching
characteristics.
160 Peripheral Information and Electrical Specifications
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