DSPIC30F6015-30I/PT Microchip Technology Inc., DSPIC30F6015-30I/PT Datasheet - Page 89
DSPIC30F6015-30I/PT
Manufacturer Part Number
DSPIC30F6015-30I/PT
Description
16 BIT MCU/DSP 64LD 30MIPS 144 KB FLASH
Manufacturer
Microchip Technology Inc.
Type
DSPr
Datasheet
1.DSPIC30F6015-30IPT.pdf
(236 pages)
Specifications of DSPIC30F6015-30I/PT
A/d Inputs
16-Channels, 10-Bit
Cpu Speed
30 MIPS
Eeprom Memory
4K Bytes
Input Output
52
Interface
CAN, I2C, SPI, UART/USART
Ios
52
Memory Type
Flash
Number Of Bits
16
Package Type
64-pin TQFP
Programmable Memory
144K Bytes
Ram Size
8K Bytes
Timers
5-16-bit, 2-32-bit
Voltage, Range
2.5-5.5
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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14.0
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.
FIGURE 14-1:
© 2006 Microchip Technology Inc.
Note: This data sheet summarizes features of this
group of dsPIC30F devices and is not intended to be
a complete reference source. For more information
on the CPU, peripherals, register descriptions and
general device functionality, refer to the “dsPIC30F
Family Reference Manual” (DS70046).
UPDN
INDX
QEA
QEB
QUADRATURE ENCODER
INTERFACE (QEI) MODULE
Synchronize
Sleep Input
Det
PCDOUT
QUADRATURE ENCODER INTERFACE BLOCK DIAGRAM
UPDN_SRC
Programmable
Programmable
0
1
Programmable
1
0
Digital Filter
Digital Filter
Digital Filter
QEICON<11>
Existing Pin Logic
3
Up/Down
T
QEIM<2:0>
CY
Quadrature
Encoder
Interface Logic
TQCS
0
1
QEIM<2:0>
Mode Select
3
TQGATE
1
0
2
dsPIC30F6010A/6015
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
Figure 14-1 depicts the Quadrature Encoder Interface
block diagram.
index pulse
16-bit Up/Down Counter
Max Count Register
D
CK
Comparator/
Zero Detect
(MAXCNT)
(POSCNT)
TQCKPS<1:0>
Q
Q
1, 8, 64, 256
bits,
Prescaler
2
QEIM<2:0>
Reset
Equal
(QEICON<10:8>).
DS70150B-page 87
QEIIF
Event
Flag
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