DSPIC33FJ64MC506A-I/PT Microchip Technology, DSPIC33FJ64MC506A-I/PT Datasheet - Page 135
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DSPIC33FJ64MC506A-I/PT
Manufacturer Part Number
DSPIC33FJ64MC506A-I/PT
Description
IC DSPIC MCU/DSP 64K 64-TQFP
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Specifications of DSPIC33FJ64MC506A-I/PT
Core Processor
dsPIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
CAN, I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, Motor Control PWM, QEI, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Core Frequency
40MHz
Core Supply Voltage
3.3V
Embedded Interface Type
CAN, I2C, SPI, UART
No. Of I/o's
53
Flash Memory Size
64KB
Supply Voltage Range
3V To 3.6V
Package
64TQFP
Device Core
dsPIC
Family Name
dsPIC33
Maximum Speed
40 MHz
Operating Supply Voltage
3.3 V
Data Bus Width
16 Bit
Number Of Programmable I/os
53
Interface Type
CAN/I2C/SPI/UART
On-chip Adc
16-chx12-bit
Number Of Timers
9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
876-1001 - DSPIC33 BREAKOUT BOARD
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
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Price
Company:
Part Number:
DSPIC33FJ64MC506A-I/PT
Manufacturer:
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Quantity:
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Part Number:
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8.0
Direct Memory Access (DMA) is a very efficient
mechanism of copying data between peripheral SFRs
(e.g., the UART Receive register and Input Capture 1
buffer) and buffers or variables stored in RAM, with
minimal CPU intervention. The DMA controller can
automatically copy entire blocks of data without
requiring the user software to read or write the
peripheral Special Function Registers (SFRs) every
time a peripheral interrupt occurs. The DMA controller
uses a dedicated bus for data transfers, and therefore,
does not steal cycles from the code execution flow of
the CPU. To exploit the DMA capability, the
corresponding user buffers or variables must be
located in DMA RAM.
The dsPIC33FJXXXMCX06A/X08A/X10A peripherals
that can utilize DMA are listed in Table 8-1 along with
their associated Interrupt Request (IRQ) numbers.
2009 Microchip Technology Inc.
Note 1: This data sheet summarizes the features
2: Some registers and associated bits
DIRECT MEMORY ACCESS
(DMA)
of
dsPIC33FJXXXMCX06A/X08A/X10A
family of devices. However, it is not
intended to be a comprehensive refer-
ence source. To complement the informa-
tion in this data sheet, refer to Section
22. “Direct Memory Access (DMA)”
(DS70182) in the “dsPIC33F/PIC24H
Family Reference Manual”, which is avail-
able from the Microchip web site
(www.microchip.com).
described in this section may not be avail-
able on all devices. Refer to Section 4.0
“Memory Organization” in this data
sheet for device-specific register and bit
information.
dsPIC33FJXXXMCX06A/X08A/X10A
the
Preliminary
TABLE 8-1:
The DMA controller features eight identical data
transfer channels. Each channel has its own set of
control and status registers. Each DMA channel can be
configured to copy data, either from buffers stored in
dual port DMA RAM to peripheral SFRs, or from
peripheral SFRs to buffers in DMA RAM.
The DMA controller supports the following features:
• Word or byte-sized data transfers.
• Transfers from peripheral to DMA RAM or DMA
• Indirect Addressing of DMA RAM locations with or
• Peripheral Indirect Addressing – In some
• One-Shot Block Transfers – Terminating DMA
• Continuous Block Transfers – Reloading DMA
• Ping-Pong Mode – Switching between two DMA
• Automatic or manual initiation of block transfers.
• Each channel can select from 20 possible
For each DMA channel, a DMA interrupt request is
generated when a block transfer is complete.
Alternatively, an interrupt can be generated when half of
the block has been filled.
INT0
Input Capture 1
Input Capture 2
Output Compare 1
Output Compare 2
Timer2
Timer3
SPI1
SPI2
UART1 Reception
UART1 Transmission
UART2 Reception
UART2 Transmission
ADC1
ADC2
ECAN1 Reception
ECAN1 Transmission
ECAN2 Reception
ECAN2 Transmission
RAM to peripheral.
without automatic post-increment.
peripherals, the DMA RAM read/write addresses
may be partially derived from the peripheral.
transfer after one block transfer.
RAM buffer start address after every block
transfer is complete.
RAM start addresses between successive block
transfers, thereby filling two buffers alternately.
sources of data sources or destinations.
Peripheral
PERIPHERALS WITH DMA
SUPPORT
DS70594B-page 135
IRQ Number
10
33
12
30
31
13
21
34
70
55
71
11
0
1
5
2
6
7
8
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