DSPIC33FJ16GS504-I/PT Microchip Technology, DSPIC33FJ16GS504-I/PT Datasheet - Page 97

• Manufacturer Part Number: DSPIC33FJ16GS504-I/PT
• Description: IC DSPIC MCU/DSP 16K 44-TQFP
• Manufacturer: Microchip Technology
• Series: dsPIC™ 33Fr

Specifications of DSPIC33FJ16GS504-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 16KB (16K x 8)
• Package / Case: 44-TQFP, 44-VQFP
• Core Processor: dsPIC
• Core Size: 16-Bit
• Speed: 40 MIPs
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 35
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 12x10b, D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Product: DSCs
• Data Bus Width: 16 bit
• Processor Series: DSPIC33F
• Core: dsPIC
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 35
• Data Ram Size: 2 KB
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52713-733, 52714-737, 53276-922, EWDSPIC
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

7.0
The dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/
X04 interrupt controller reduces the numerous peripheral
interrupt request signals to a single interrupt request
signal
dsPIC33FJ16GSX02/X04 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. Lower addresses generally have a higher
natural priority. For example, the interrupt associated
with vector 0 will take priority over interrupts at any
other vector address.
The dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/
X04 devices implement up to 35 unique interrupts and
4 non-maskable traps. These are summarized in
Table 7-1.
© 2009 Microchip Technology Inc.
Note:
traps
source
support
INTERRUPT CONTROLLER
Interrupt Vector Table
to
This data sheet summarizes the features
of
dsPIC33FJ16GSX02/X04
devices. It is not intended to be a
comprehensive reference source.
complement the information in this data
sheet, refer to the “dsPIC33F Family
Reference
“Interrupts (Part IV)” (DS70300), which
is available on the Microchip web site
(www.microchip.com).
the
dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04
the
dsPIC33FJ06GS101/X02
dsPIC33FJ06GS101/X02
Manual”,
Section
families
and
41.
and
Preliminary
To
of
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 dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/
X04 device 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. A
GOTO instruction at the Reset address can redirect
program execution to the appropriate start-up routine.
Note:
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
DS70318D-page 95
control
bit