PIC24F16KA302-E/SP Microchip Technology, PIC24F16KA302-E/SP Datasheet - Page 31
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PIC24F16KA302-E/SP
Manufacturer Part Number
PIC24F16KA302-E/SP
Description
16KB Flash, 2KB RAM, 512B EEPROM, 16 MIPS, 12-bit ADC, CTMU, XLP 28 SPDIP .300in
Manufacturer
Microchip Technology
Series
PIC® XLP™ 24Fr
Datasheet
1.PIC24F16KA301T-ISO.pdf
(320 pages)
Specifications of PIC24F16KA302-E/SP
Core Processor
PIC
Core Size
16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
16KB (5.5K x 24)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 13x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-DIP (0.300", 7.62mm)
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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3.0
The PIC24F CPU has a 16-bit (data) modified Harvard
architecture with an enhanced instruction set and a
24-bit instruction word with a variable length opcode
field. The Program Counter (PC) is 23 bits wide and
addresses up to 4M instructions of user program
memory space. A single-cycle instruction prefetch
mechanism is used to help maintain throughput and
provides predictable execution. All instructions execute
in a single cycle, with the exception of instructions that
change the program flow, the double-word move
(MOV.D)
Overhead-free program loop constructs are supported
using the REPEAT instructions, which are interruptible
at any point.
PIC24F devices have sixteen, 16-bit working registers
in the programmer’s model. Each of the working
registers can act as a data, address or address offset
register. The 16
Software Stack Pointer (SSP) for interrupts and calls.
The upper 32 Kbytes of the data space memory map
can optionally be mapped into program space at any
16K word boundary of either program memory or data
EEPROM memory, defined by the 8-bit Program Space
Visibility Page Address (PSVPAG) register. The
program to data space mapping feature lets any
instruction access program space as if it were data
space.
The Instruction Set Architecture (ISA) has been
significantly enhanced beyond that of the PIC18, but
maintains
compatibility. All PIC18 instructions and addressing
modes are supported, either directly, or through simple
macros. Many of the ISA enhancements have been
driven by compiler efficiency needs.
The core supports Inherent (no operand), Relative,
Literal, Memory Direct and three groups of addressing
modes. All modes support Register Direct and various
Register Indirect modes. Each group offers up to seven
addressing modes. Instructions are associated with
predefined addressing modes depending upon their
functional requirements.
2011 Microchip Technology Inc.
Note:
CPU
instruction and the table instructions.
This data sheet summarizes the features
of this group of PIC24F devices. It is not
intended
reference source. For more information
on the CPU, refer to the “PIC24F Family
Reference Manual”, Section 2. “CPU”
(DS39703).
an
th
working register (W15) operates as a
acceptable
to
be
level
a
comprehensive
of
backward
PIC24FV32KA304 FAMILY
For most instructions, the core is capable of executing
a data (or program data) memory read, a working
register (data) read, a data memory write and a
program (instruction) memory read per instruction
cycle. As a result, three parameter instructions can be
supported, allowing trinary operations (i.e., A + B = C)
to be executed in a single cycle.
A high-speed, 17-bit by 17-bit multiplier has been
included to significantly enhance the core arithmetic
capability and throughput. The multiplier supports
Signed, Unsigned and Mixed mode, 16-bit by 16-bit or
8-bit by 8-bit integer multiplication. All multiply
instructions execute in a single cycle.
The 16-bit ALU has been enhanced with integer divide
assist hardware that supports an iterative non-restoring
divide algorithm. It operates in conjunction with the
REPEAT instruction looping mechanism and a selection
of iterative divide instructions to support 32-bit (or
16-bit), divided by 16-bit integer signed and unsigned
division. All divide operations require 19 cycles to
complete but are interruptible at any cycle boundary.
The PIC24F has a vectored exception scheme with up
to eight sources of non-maskable traps and up to
118 interrupt sources. Each interrupt source can be
assigned to one of seven priority levels.
A block diagram of the CPU is illustrated in
3.1
Figure 3-2
PIC24F. All registers in the programmer’s model are
memory mapped and can be manipulated directly by
instructions.
Table 3-1
registers associated with the programmer’s model are
memory mapped.
Programmer’s Model
provides a description of each register. All
displays the programmer’s model for the
DS39995B-page 31
Figure
3-1.
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