Enhanced Quadrature Encoder Pulse (eQEP) Module
15.4.3.14 eQEP Capture Control Register (QCAPCTL)
Figure 15-162. 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 15-137. 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
1680
Pulse-Width Modulation Subsystem (PWMSS)
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated