PIC24FJ32GA002-I/SP Microchip Technology Inc., PIC24FJ32GA002-I/SP Datasheet - Page 58
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PIC24FJ32GA002-I/SP
Manufacturer Part Number
PIC24FJ32GA002-I/SP
Description
MCU, 16-Bit, 28-Pin, 32KB Flash, 8KB RAM, 21 I/O, Nanowatt
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC24FJ32GA002-ISP.pdf
(256 pages)
Specifications of PIC24FJ32GA002-I/SP
A/d Inputs
10 Channel, 10-Bit
Comparators
2
Cpu Speed
16 MIPS
Eeprom Memory
0 Bytes
Input Output
21
Interface
I2C/SPI/UART
Memory Capacity
32 Kbytes
Memory Type
Flash
Number Of Bits
16
Number Of Inputs
21
Number Of Pins
28
Package Type
28-pin SPDIP
Programmable Memory
32K Bytes
Ram Size
8K Bytes
Speed
32 MHz
Timers
5-16-bit
Voltage, Range
2-3.6 V
Voltage, Rating
2-3.6 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
PIC24FJ32GA002-I/SP
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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PIC24FJ64GA004 FAMILY
6.3
The PIC24FJ64GA004 family of devices implement a
total of 28 registers for the interrupt controller:
• INTCON1
• INTCON2
• IFS0 through IFS4
• IEC0 through IEC4
• IPC0 through IPC12, IPC15, IPC16 and IPC18
Global interrupt control functions are controlled from
INTCON1 and INTCON2. INTCON1 contains the Inter-
rupt Nesting Disable (NSTDIS) bit, as well as the
control and status flags for the processor trap sources.
The INTCON2 register controls the external interrupt
request signal behavior and the use of the Alternate
Interrupt Vector Table.
The IFSx registers maintain all of the interrupt request
flags. Each source of interrupt has a status bit which is
set by the respective peripherals, or external signal,
and is cleared via software.
The IECx registers maintain all of the interrupt enable
bits. These control bits are used to individually enable
interrupts from the peripherals or external signals.
The IPCx registers are used to set the interrupt priority
level for each source of interrupt. Each user interrupt
source can be assigned to one of eight priority levels.
DS39881B-page 56
Interrupt Control and Status
Registers
Preliminary
The interrupt sources are assigned to the IFSx, IECx
and IPCx registers in the same sequence that they are
listed in Table 6-2. For example, the INT0 (External
Interrupt 0) is shown as having a vector number and a
natural order priority of 0. Thus, the INT0IF status bit is
found in IFS0<0>, the INT0IE enable bit in IEC0<0>
and the INT0IP<2:0> priority bits in the first position of
IPC0 (IPC0<2:0>).
Although they are not specifically part of the interrupt
control hardware, two of the CPU control registers con-
tain bits that control interrupt functionality. The ALU
STATUS register (SR) contains the IPL2:IPL0 bits
(SR<7:5>). These indicate the current CPU interrupt
priority level. The user may change the current CPU
priority level by writing to the IPL bits.
The CORCON register contains the IPL3 bit, which
together with IPL2:IPL0, also indicates the current CPU
priority level. IPL3 is a read-only bit so that trap events
cannot be masked by the user software.
All interrupt registers are described in Register 6-1
through Register 6-29, in the following pages.
© 2007 Microchip Technology Inc.
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