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SPRUI07–March 2020
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Enhanced Quadrature Encoder Pulse (eQEP)
6.3.3 eQEP Memory Map
Table 6-1 lists the registers with their memory locations, sizes, and reset values.
Table 6-1. EQEP Memory Map
Name Offset
Size(x16)/
#shadow Reset Register Description
QPOSCNT 0x00 2/0 0x00000000 eQEP Position Counter
QPOSINIT 0x02 2/0 0x00000000 eQEP Initialization Position Count
QPOSMAX 0x04 2/0 0x00000000 eQEP Maximum Position Count
QPOSCMP 0x06 2/1 0x00000000 eQEP Position-compare
QPOSILAT 0x08 2/0 0x00000000 eQEP Index Position Latch
QPOSSLAT 0x0A 2/0 0x00000000 eQEP Strobe Position Latch
QPOSLAT 0x0C 2/0 0x00000000 eQEP Position Latch
QUTMR 0x0E 2/0 0x00000000 QEP Unit Timer
QUPRD 0x10 2/0 0x00000000 eQEP Unit Period Register
QWDTMR 0x12 1/0 0x0000 eQEP Watchdog Timer
QWDPRD 0x13 1/0 0x0000 eQEP Watchdog Period Register
QDECCTL 0x14 1/0 0x0000 eQEP Decoder Control Register
QEPCTL 0x15 1/0 0x0000 eQEP Control Register
QCAPCTL 0x16 1/0 0x0000 eQEP Capture Control Register
QPOSCTL 0x17 1/0 0x00000 eQEP Position-compare Control Register
QEINT 0x18 1/0 0x0000 eQEP Interrupt Enable Register
QFLG 0x19 1/0 0x0000 eQEP Interrupt Flag Register
QCLR 0x1A 1/0 0x0000 eQEP Interrupt Clear Register
QFRC 0x1B 1/0 0x0000 eQEP Interrupt Force Register
QEPSTS 0x1C 1/0 0x0000 eQEP Status Register
QCTMR 0x1D 1/0 0x0000 eQEP Capture Timer
QCPRD 0x1E 1/0 0x0000 eQEP Capture Period Register
QCTMRLAT 0x1F 1/0 0x0000 eQEP Capture Timer Latch
QCPRDLAT 0x20 1/0 0x0000 eQEP Capture Period Latch
reserved 0x21
to
0x3F
31/0
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