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eQEP Registers

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33.3.15 eQEP Capture Control Register (QCAPCTL)

Figure 33-35. eQEP Capture Control Register (QCAPCTL) [offset = 2Ch]

15 14 7 6 4 3 0

CEN Reserved CCPS UPPS

R/W-0 R-0 R/W-0 R/W-0

LEGEND: R/W = Read/Write; R = Read only; -n = value after reset

Table 33-18. 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 read as 0

6-4 CCPS eQEP capture timer clock prescaler

0 CAPCLK = VCLK3/1

1h CAPCLK = VCLK3/2

2h CAPCLK = VCLK3/4

3h CAPCLK = VCLK3/8

4h CAPCLK = VCLK3/16

5h CAPCLK = VCLK3/32

6h CAPCLK = VCLK3/64

7h CAPCLK = VCLK3/128

3-0 UPPS 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

1704

Enhanced QEP (eQEP) Module SPNU562–May 2014

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