eQEP Registers
www.ti.com
426
SPRUH91D–March 2013–Revised September 2016
Submit Documentation Feedback
Copyright © 2013–2016, Texas Instruments Incorporated
Enhanced Quadrature Encoder Pulse (eQEP) Module
15.3.14 eQEP Capture Control Register (QCAPCTL)
Figure 15-34. eQEP Capture Control Register (QCAPCTL)
15 14 8
CEN Reserved
R/W-0 R-0
7 6 4 3 0
Reserved CCPS UPPS
R-0 R/W-0 R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 15-16. eQEP Capture Control Register (QCAPCTL) Field Descriptions
Bits Name Value Description
15 CEN Enable eQEP capture
0 eQEP capture unit is disabled
1 eQEP capture unit is enabled
14-7 Reserved 0 Always write as 0
6-4 CCPS 0-7h eQEP capture timer clock prescaler
0 CAPCLK = SYSCLKOUT/1
1h CAPCLK = SYSCLKOUT/2
2h CAPCLK = SYSCLKOUT/4
3h CAPCLK = SYSCLKOUT/8
4h CAPCLK = SYSCLKOUT/16
5h CAPCLK = SYSCLKOUT/32
6h CAPCLK = SYSCLKOUT/64
7h CAPCLK = SYSCLKOUT/128
3-0 UPPS 0-Fh Unit position event prescaler
0 UPEVNT = QCLK/1
1h UPEVNT = QCLK/2
2h UPEVNT = QCLK/4
3h UPEVNT = QCLK/8
4h UPEVNT = QCLK/16
5h UPEVNT = QCLK/32
6h UPEVNT = QCLK/64
7h UPEVNT = QCLK/128
8h UPEVNT = QCLK/256
9h UPEVNT = QCLK/512
Ah UPEVNT = QCLK/1024
Bh UPEVNT = QCLK/2048
Ch-Fh Reserved
To Next Page