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eQEP Registers

33.3.14 eQEP Position-Compare Control Register (QPOSCTL)

Figure 33-34. eQEP Position-Compare Control Register (QPOSCTL) [offset = 2Eh]

15 14 13 12 11 8

PCSHDW PCLOAD PCPOL PCE PCSPW

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

7 0

PCSPW

R/W-0

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

Table 33-17. eQEP Position-Compare Control Register (QPOSCTL) Field Descriptions

Bit Name Value Description

15 PCSHDW Position-compare shadow enable

0 Shadow disabled, load Immediate

1 Shadow enabled

14 PCLOAD Position-compare shadow load mode

0 Load on QPOSCNT = 0

1 Load when QPOSCNT = QPOSCMP

13 PCPOL Polarity of sync output

0 Active HIGH pulse output

1 Active LOW pulse output

12 PCE Position-compare enable/disable

0 Disable position compare unit

1 Enable position compare unit

11-0 PCSPW Select-position-compare sync output pulse width

0 1 × 4 *×VCLK3 cycles

1h 2 × 4 × VCLK3 cycles

: :

FFFh 4096 × 4 × VCLK3 cycles

1703

SPNU562–May 2014 Enhanced QEP (eQEP) Module

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