DSPIC33FJ16MC304T-I/ML Microchip Technology, DSPIC33FJ16MC304T-I/ML Datasheet - Page 173

• Manufacturer Part Number: DSPIC33FJ16MC304T-I/ML
• Description: 16-bit DSC, 16KB Flash,Motor,40 MIPS,nanoWatt 44 QFN 8x8x0.9mm T/R
• Manufacturer: Microchip Technology
• Series: dsPIC™ 33Fr

Specifications of DSPIC33FJ16MC304T-I/ML

• Core Processor: dsPIC
• Core Size: 16-Bit
• Speed: 40 MIPs
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, Motor Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 9x10b/12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164335 - MODULE SKT FOR 10X10 PM3 44TQFPDM240001 - BOARD DEMO PIC24/DSPIC33/PIC32
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: DSPIC33FJ16MC304T-I/MLTR

16.0
FIGURE 16-1:
© 2011 Microchip Technology Inc.
Note 1: This data sheet summarizes the features
UPDNx
INDXx
QEAx
QEBx
2: Some registers and associated bits
QUADRATURE ENCODER
INTERFACE (QEI) MODULE
Synchronize
of the dsPIC33FJ32MC202/204 and
dsPIC33FJ16MC304 family of devices. It
is not intended to be a comprehensive
reference source. To complement the
information in this data sheet, refer to
Section 15. “Quadrature
Interface (QEI)” (DS70208) of the
“dsPIC33F/PIC24H Family Reference
Manual”, which is available from the
Microchip website (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.
Sleep Input
dsPIC33FJ32MC202/204 and dsPIC33FJ16MC304
Det
PCDOUT
UPDN_SRC
QUADRATURE ENCODER INTERFACE BLOCK DIAGRAM
Programmable
Programmable
0
1
Programmable
1
0
Digital Filter
Digital Filter
Digital Filter
QEIxCON<11>
Existing Pin Logic
Up/Down
3
QEIM<2:0>
T
CY
Interface Logic
Quadrature
TQCS
Encoder
1
0
Encoder
Mode Select
QEIM<2:0>
3
in
TQGATE
1
0
2
This section 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 include:
• Three input channels for two phase signals and
• 16-bit up/down position counter
• Count direction status
• Position Measurement (x2 and x4) mode
• Programmable digital noise filters on inputs
• Alternate 16-bit Timer/Counter mode
• Quadrature Encoder Interface interrupts
These operating modes are determined by setting the
appropriate bits, QEIM<2:0> in (QEIxCON<10:8>).
Figure 16-1
block diagram.
index pulse
16-bit Up/Down Counter
Max Count Register
D
CK
Comparator/
Zero Detect
(POSCNT)
(MAXCNT)
TQCKPS<1:0>
Q
depicts the Quadrature Encoder Interface
Q
1, 8, 64, 256
Prescaler
2
Reset
Equal
DS70283H-page 173
QEIIF
Event
Flag