PIC24HJ32GP304-E/PT Microchip Technology, PIC24HJ32GP304-E/PT Datasheet - Page 104
![16-bit MCU, 32KB Flash,DMA,40 MIPS,nanoWatt 44 TQFP 10x10x1mm TRAY](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC24HJ32GP304-E/PT
Manufacturer Part Number
PIC24HJ32GP304-E/PT
Description
16-bit MCU, 32KB Flash,DMA,40 MIPS,nanoWatt 44 TQFP 10x10x1mm TRAY
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 PIC24HJ32GP304-E/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
32KB (11K x 24)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 13x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
876-1004 - PIC24 BREAKOUT BOARDDM240001 - BOARD DEMO PIC24/DSPIC33/PIC32
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC24HJ32GP304-E/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: 104 of 368
- Download datasheet (5Mb)
PIC24HJ32GP302/304, PIC24HJ64GPX02/X04 AND PIC24HJ128GPX02/X04
7.4
7.4.1
To configure an interrupt source at initialization:
1.
2.
3.
4.
7.4.2
The method used to declare an ISR and initialize the
IVT with the correct vector address depends on the
programming language (C or assembler) and the
language development tool suite used to develop the
application.
In general, the user application must clear the interrupt
flag in the appropriate IFSx register for the source of
interrupt that the ISR handles. Otherwise, the program
re-enters the ISR immediately after exiting the routine.
If the ISR is coded in assembly language, it must be
terminated using a RETFIE instruction to unstack the
saved PC value, SRL value and old CPU priority level.
DS70293E-page 104
Note:
Set the NSTDIS bit (INTCON1<15>) if nested
interrupts are not desired.
Select the user-assigned priority level for the
interrupt source by writing the control bits in the
appropriate IPCx register. The priority level
depends on the specific application and type of
interrupt source. If multiple priority levels are not
desired, the IPCx register control bits for all
enabled interrupt sources can be programmed
to the same non-zero value.
Clear the interrupt flag status bit associated with
the peripheral in the associated IFSx register.
Enable the interrupt source by setting the inter-
rupt enable control bit associated with the
source in the appropriate IECx register.
Interrupt Setup Procedures
INITIALIZATION
INTERRUPT SERVICE ROUTINE
At a device Reset, the IPCx registers are
initialized such that all user interrupt
sources are assigned to priority level 4.
7.4.3
A Trap Service Routine (TSR) is coded like an ISR,
except that the appropriate trap status flag in the
INTCON1 register must be cleared to avoid re-entry
into the TSR.
7.4.4
All user interrupts can be disabled using this
procedure:
1.
2.
To enable user interrupts, the POP instruction can be
used to restore the previous SR value.
The DISI instruction provides a convenient way to
disable interrupts of priority levels 1-6 for a fixed period
of time. Level 7 interrupt sources are not disabled by
the DISI instruction.
Note:
Push the current SR value onto the software
stack using the PUSH instruction.
Force the CPU to priority level 7 by inclusive
ORing the value OEh with SRL.
TRAP SERVICE ROUTINE
INTERRUPT DISABLE
Only user interrupts with a priority level of
7 or lower can be disabled. Trap sources
(level 8-level 15) cannot be disabled.
© 2011 Microchip Technology Inc.
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