DSPIC33FJ128MC710A-E/PF Microchip Technology, DSPIC33FJ128MC710A-E/PF Datasheet - Page 87
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DSPIC33FJ128MC710A-E/PF
Manufacturer Part Number
DSPIC33FJ128MC710A-E/PF
Description
16 Bit MCU/DSP 40MIPS 128KB FLASH 100 TQFP 14x14x1mm TRAY
Manufacturer
Microchip Technology
Series
dsPIC™ 33Fr
Datasheet
1.DSPIC33FJ64MC506A-IPT.pdf
(352 pages)
Specifications of DSPIC33FJ128MC710A-E/PF
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
85
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 24x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DSPIC33FJ128MC710A-E/PF
Manufacturer:
Microchip Technology
Quantity:
10 000
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7.0
The
dsPIC33FJXXXMCX06A/X08A/X10A family of devices
reduces the numerous peripheral interrupt request
signals to a single interrupt request signal to the
dsPIC33FJXXXMCX06A/X08A/X10A CPU. It has the
following features:
• Up to eight processor exceptions and software
• Seven user-selectable priority levels
• Interrupt Vector Table (IVT) with up to 118 vectors
• A unique vector for each interrupt or exception
• Fixed priority within a specified user priority level
• Alternate Interrupt Vector Table (AIVT) for debug
• Fixed interrupt entry and return latencies
7.1
The Interrupt Vector Table (IVT) is shown in Figure 7-1.
The IVT resides in program memory, starting at location
000004h. The IVT contains 126 vectors consisting of
eight nonmaskable trap vectors plus up to 118 sources
of interrupt. In general, each interrupt source has its
own vector. Each interrupt vector contains a 24-bit wide
address. The value programmed into each interrupt
vector location is the starting address of the associated
Interrupt Service Routine (ISR).
Interrupt vectors are prioritized in terms of their natural
priority; this priority is linked to their position in the
vector table. All other things being equal, lower
addresses have a higher natural priority. For example,
the interrupt associated with vector 0 will take priority
over interrupts at any other vector address.
The dsPIC33FJXXXMCX06A/X08A/X10A family of
devices implement up to 67 unique interrupts and five
nonmaskable traps. These are summarized in
Table 7-1 and Table 7-2.
2009 Microchip Technology Inc.
traps
source
support
Note 1: This data sheet summarizes the features
2: Some registers and associated bits
INTERRUPT CONTROLLER
Interrupt Vector Table
interrupt
of the 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 6.
“Interrupts”
“dsPIC33F/PIC24H Family Reference
Manual”, which is available 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
controller
(DS70184)
for
in
the
Preliminary
the
7.1.1
The Alternate Interrupt Vector Table (AIVT) is located
after the IVT, as shown in Figure 7-1. Access to the
AIVT
(INTCON2<15>). If the ALTIVT bit is set, all interrupt
and exception processes use the alternate vectors
instead of the default vectors. The alternate vectors are
organized in the same manner as the default vectors.
The AIVT supports debugging by providing a means to
switch between an application and a support
environment without requiring the interrupt vectors to
be reprogrammed. This feature also enables switching
between applications for evaluation of different
software algorithms at run time. If the AIVT is not
needed, the AIVT should be programmed with the
same addresses used in the IVT.
7.2
A device Reset is not a true exception because the
interrupt controller is not involved in the Reset process.
The
clears its registers in response to a Reset, which forces
the PC to zero. The digital signal controller then begins
program execution at location 0x000000. The user pro-
grams a GOTO instruction at the Reset address, which
redirects program execution to the appropriate start-up
routine.
Note:
dsPIC33FJXXXMCX06A/X08A/X10A
is
Reset Sequence
provided
ALTERNATE INTERRUPT VECTOR
TABLE
Any unimplemented or unused vector
locations in the IVT and AIVT should be
programmed with the address of a default
interrupt handler routine that contains a
RESET instruction.
by
the
ALTIVT
DS70594B-page 87
control
device
bit
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