PIC24HJ16GP304-H/ML Microchip Technology, PIC24HJ16GP304-H/ML Datasheet - Page 87
![16-bit MCU, 16KB Flash,40 MIPS,nanoWatt 44 QFN 8x8x0.9mm TUBE](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC24HJ16GP304-H/ML
Manufacturer Part Number
PIC24HJ16GP304-H/ML
Description
16-bit MCU, 16KB Flash,40 MIPS,nanoWatt 44 QFN 8x8x0.9mm TUBE
Manufacturer
Microchip Technology
Series
PIC® 24Hr
Datasheets
1.PIC24HJ12GP201-ISO.pdf
(84 pages)
2.PIC24HJ32GP202-ISO.pdf
(272 pages)
3.PIC24HJ32GP202-ISO.pdf
(8 pages)
4.PIC24HJ32GP202-ISO.pdf
(12 pages)
Specifications of PIC24HJ16GP304-H/ML
Core Processor
PIC
Core Size
16-Bit
Speed
20 MIPS
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
16KB (5.5K x 24)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 13x10b/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 140°C
Package / Case
44-QFN
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:
PIC24HJ16GP304-H/ML
Manufacturer:
MICROCHIP
Quantity:
12 000
- PIC24HJ12GP201-ISO PDF datasheet
- PIC24HJ32GP202-ISO PDF datasheet #2
- PIC24HJ32GP202-ISO PDF datasheet #3
- PIC24HJ32GP202-ISO PDF datasheet #4
- Current page: 87 of 272
- Download datasheet (4Mb)
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 Interrupt Service Rou-
tine (ISR) and initialize the IVT with the correct vector
address depends on the programming language (C or
Assembler) and the language development toolsuite
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
will re-enter 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.
© 2011 Microchip Technology Inc.
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 will
depend 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.
Set the interrupt enable control bit associated
with the source in the appropriate IECx register
to enable the interrupt source.
Interrupt Setup Procedures
PIC24HJ32GP202/204 AND PIC24HJ16GP304
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 proce-
dure:
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.
DS70289G-page 87
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