PIC24EP64MC204-E/PT Microchip Technology, PIC24EP64MC204-E/PT Datasheet - Page 249

• Manufacturer Part Number: PIC24EP64MC204-E/PT
• Description: 16 Bit MCU, 64KB Flash, 8KB RAM, 60 MHz, 44 Pin, MCPWM,QEI, 3 OpAmp, 4 Comp, PTG
• Manufacturer: Microchip Technology

17.0
 2011-2012 Microchip Technology Inc.
Note 1: This data sheet summarizes the features
dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X, AND PIC24EPXXXGP/MC20X
2: Some registers and associated bits
QUADRATURE ENCODER
INTERFACE (QEI) MODULE
(dsPIC33EPXXXMC20X/50X
and PIC24EPXXXMC20X
DEVICES ONLY)
of
dsPIC33EPXXXMC20X/50X,
PIC24EPXXXGP/MC20X
devices. It is not intended to be a
comprehensive reference source. To
complement the information in this data
sheet, refer to Section 15. “Quadrature
Encoder Interface (QEI)” (DS70601) of
the
Reference Manual”, which is available
from
(www.microchip.com).
described in this section may not be
available on all devices. Refer to
Section 4.0 “Memory Organization”
this data sheet for device-specific register
and bit information.
the
the
“dsPIC33E/PIC24E
Microchip
dsPIC33EPXXXGP50X,
families
web
Family
and
site
of
in
This chapter describes the Quadrature Encoder Inter-
face (QEI) module and associated operational modes.
The QEI module provides the interface to incremental
encoders for obtaining mechanical position data.
The operational features of the QEI module include:
• 32-bit position counter
• 32-bit Index pulse counter
• 32-bit Interval timer
• 16-bit velocity counter
• 32-bit Position Initialization/Capture/Compare
• 32-bit Position Compare Low register
• x4 Quadrature Count mode
• External Up/Down Count mode
• External Gated Count mode
• External Gated Timer mode
• Internal Timer mode
Figure 17-1
High register
illustrates the QEI block diagram.
DS70657F-page 249