TMS320F28069_1107 Datasheet, PDF (144/172 Pages) Texas Instruments – Piccolo Microcontrollers

TMS320F28069, TMS320F28068, TMS320F28067, TMS320F28066
TMS320F28065, TMS320F28064, TMS320F28063, TMS320F28062
SPRS698B – NOVEMBER 2010 – REVISED JULY 2011
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6.21 Enhanced Quadrature Encoder Modules (eQEP1/2)
The device contains up to two enhanced quadrature encoder (eQEP) modules. Table 6-61 provides a
summary of the eQEP registers.
NAME
QPOSCNT
QPOSINIT
QPOSMAX
QPOSCMP
QPOSILAT
QPOSSLAT
QPOSLAT
QUTMR
QUPRD
QWDTMR
QWDPRD
QDECCTL
QEPCTL
QCAPCTL
QPOSCTL
QEINT
QFLG
QCLR
QFRC
QEPSTS
QCTMR
QCPRD
QCTMRLAT
QCPRDLAT
Reserved
eQEP1
ADDRESS
0x6B00
0x6B02
0x6B04
0x6B06
0x6B08
0x6B0A
0x6B0C
0x6B0E
0x6B10
0x6B12
0x6B13
0x6B14
0x6B15
0x6B16
0x6B17
0x6B18
0x6B19
0x6B1A
0x6B1B
0x6B1C
0x6B1D
0x6B1E
0x6B1F
0x6B20
0x6B21 –
0x6B3F
Table 6-61. eQEP Control and Status Registers
eQEP2
ADDRESS
0x6B40
0x6B42
0x6B44
0x6B46
0x6B48
0x6B4A
0x6B4C
0x6B4E
0x6B50
0x6B52
0x6B53
0x6B54
0x6B55
0x6B56
0x6B57
0x6B58
0x6B59
0x6B5A
0x6B5B
0x6B5C
0x6B5D
0x6B5E
0x6B5F
0x6B60
0x6B61 –
0x6B7F
eQEP1
SIZE(x16)/
#SHADOW
2/0
2/0
2/0
2/1
2/0
2/0
2/0
2/0
2/0
1/0
1/0
1/0
1/0
1/0
1/0
1/0
1/0
1/0
1/0
1/0
1/0
1/0
1/0
1/0
31/0
REGISTER DESCRIPTION
eQEP Position Counter
eQEP Initialization Position Count
eQEP Maximum Position Count
eQEP Position-compare
eQEP Index Position Latch
eQEP Strobe Position Latch
eQEP Position Latch
eQEP Unit Timer
eQEP Unit Period Register
eQEP Watchdog Timer
eQEP Watchdog Period Register
eQEP Decoder Control Register
eQEP Control Register
eQEP Capture Control Register
eQEP Position-compare Control Register
eQEP Interrupt Enable Register
eQEP Interrupt Flag Register
eQEP Interrupt Clear Register
eQEP Interrupt Force Register
eQEP Status Register
eQEP Capture Timer
eQEP Capture Period Register
eQEP Capture Timer Latch
eQEP Capture Period Latch
144 Peripheral and Electrical Specifications
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