PIC24HJ64GP204T-I/PT Microchip Technology, PIC24HJ64GP204T-I/PT Datasheet - Page 67
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PIC24HJ64GP204T-I/PT
Manufacturer Part Number
PIC24HJ64GP204T-I/PT
Description
16-bit MCU, 64KB Flash,DMA,40 MIPS,nanoWatt 44 TQFP 10x10x1mm T/R
Manufacturer
Microchip Technology
Series
PIC® 24Hr
Datasheets
1.PIC24HJ12GP201-ISO.pdf
(84 pages)
2.PIC24HJ32GP302-ISO.pdf
(368 pages)
3.PIC24HJ32GP302-ISO.pdf
(8 pages)
4.PIC24HJ32GP302-ISO.pdf
(12 pages)
Specifications of PIC24HJ64GP204T-I/PT
Core Processor
PIC
Core Size
16-Bit
Speed
40 MIPs
Connectivity
I²C, PMP, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
64KB (22K x 24)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 13x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DM240001 - BOARD DEMO PIC24/DSPIC33/PIC32
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PIC24HJ64GP204T-I/PTTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC24HJ64GP204T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC24HJ12GP201-ISO PDF datasheet
- PIC24HJ32GP302-ISO PDF datasheet #2
- PIC24HJ32GP302-ISO PDF datasheet #3
- PIC24HJ32GP302-ISO PDF datasheet #4
- Current page: 67 of 368
- Download datasheet (5Mb)
7.0
The PIC24HJ32GP302/304, PIC24HJ64GPX02/X04
and
reduces the numerous peripheral interrupt request sig-
nals to a single interrupt request signal to the
PIC24HJ32GP302/304, PIC24HJ64GPX02/X04 and
PIC24HJ128GPX02/X04 CPU.
The interrupt controller has the following features:
• Up to eight processor exceptions and software
• Eight 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
© 2011 Microchip Technology Inc.
traps
source
support
Note 1: This data sheet summarizes the features
PIC24HJ128GPX02/X04
2: Some registers and associated bits
INTERRUPT CONTROLLER
PIC24HJ32GP302/304, PIC24HJ64GPX02/X04 AND PIC24HJ128GPX02/X04
of
PIC24HJ64GPX02/X04
PIC24HJ128GPX02/X04
devices. It is not intended to be a compre-
hensive reference source. To comple-
ment the information in this data sheet,
refer
(Part III)”
”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.
to
the
Section
(DS70214)
PIC24HJ32GP302/304,
interrupt
32.
families
“Interrupts
of
controller
and
the
of
in
7.1
The Interrupt Vector Table (IVT), shown in
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 takes priority over interrupts at any other
vector address.
PIC24HJ32GP302/304, PIC24HJ64GPX02/X04 and
PIC24HJ128GPX02/X04 devices implement up to 45
unique interrupts and five nonmaskable traps. These
are summarized in
7.1.1
The Alternate Interrupt Vector Table (AIVT) is located
after the IVT, as shown in
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 PIC24HJ32GP302/304, PIC24HJ64GPX02/X04
and
registers in response to a Reset, which forces the PC
to zero. The microcontroller 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:
PIC24HJ128GPX02/X04
is
Interrupt Vector Table
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.
Table
by
7-1.
the
Figure
ALTIVT
device
7-1. Access to the
DS70293E-page 67
control
clears
Figure
7-1,
bit
its
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