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Texas Instruments AM335 Series

Texas Instruments AM335 Series
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Enhanced Quadrature Encoder Pulse (eQEP) Module
15.4.3.15 eQEP Position-Compare Control Register (QPOSCTL)
Figure 15-163. eQEP Position-Compare Control Register (QPOSCTL)
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 15-138. 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 0-FFFh Select-position-compare sync output pulse width
0 1 × 4 × SYSCLKOUT cycles
1h 2 × 4 × SYSCLKOUT cycles
2h-FFFh 3 × 4 × SYSCLKOUT cycles to 4096 × 4 × SYSCLKOUT cycles
1681
SPRUH73HOctober 2011Revised April 2013 Pulse-Width Modulation Subsystem (PWMSS)
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