PIC32MX450F256L datasheet, PDF

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PIC32MX450F256L: Description32-bit Microcontrollers (up to 512 KB Flash and 128 KB SRAM) with Audio/Graphics/Touch (HMI), USB, and Advanced Analog; File Size3MB，344 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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PIC32MX450F256L Overview

32-bit Microcontrollers (up to 512 KB Flash and 128 KB SRAM) with Audio/Graphics/Touch (HMI), USB, and Advanced Analog

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PIC32MX330/350/370/430/450/470

32-bit Microcontrollers (up to 512 KB Flash and 128 KB SRAM)

with Audio/Graphics/Touch (HMI), USB, and Advanced Analog

Operating Conditions

• 2.3V to 3.6V, -40ºC to +105ºC, DC to 80 MHz

Timers/Output Compare/Input Capture

• Five General Purpose Timers:

- Five 16-bit and up to two 32-bit Timers/Counters

• Five Output Compare (OC) modules

• Five Input Capture (IC) modules

• Peripheral Pin Select (PPS) to allow function remap

• Real-Time Clock and Calendar (RTCC) module

Core: 80 MHz/105 DMIPS MIPS32 M4K

• MIPS16e

mode for up to 40% smaller code size

• Code-efficient (C and Assembly) architecture

• Single-cycle (MAC) 32x16 and two-cycle 32x32 multiply

Clock Management

•

0.9% internal oscillator

Programmable PLLs and oscillator clock sources

Fail-Safe Clock Monitor (FSCM)

Independent Watchdog Timer

Fast wake-up and start-up

Communication Interfaces

• USB 2.0-compliant Full-speed OTG controller

• Up to five UART modules (20 Mbps):

- Supports LIN 1.2 protocols and IrDA

support

• Two 4-wire SPI modules (25 Mbps)

• Two I

C modules (up to 1 Mbaud) with SMBus support

• PPS to allow function remap

• Parallel Master Port (PMP)

Power Management

• Low-power management modes (Sleep and Idle)

• Integrated Power-on Reset, Brown-out Reset, and High

Voltage Detect

• 0.5 mA/MHz dynamic current (typical)

• 40

μA

current (typical)

Direct Memory Access (DMA)

• Four channels of hardware DMA with automatic data

size detection

• 32-bit Programmable Cyclic Redundancy Check (CRC)

• Two additional channels dedicated to USB

Audio/Graphics/Touch HMI Features

External graphics interface with up to 34 PMP pins

Audio data communication: I

S, LJ, RJ, USB

Audio data control interface: SPI and I

C™

Audio data master clock:

- Generation of fractional clock frequencies

- Can be synchronized with USB clock

- Can be tuned in run-time

• Charge Time Measurement Unit (CTMU):

- Supports mTouch™ capacitive touch sensing

- Provides high-resolution time measurement (1 ns)

•

Input/Output

• 15 mA or 12 mA source/sink for standard V

and

up to 22 mA for non-standard V

OH1

• 5V-tolerant pins

• Selectable open drain, pull-ups, and pull-downs

• External interrupts on all I/O pins

Qualification and Class B Support

• AEC-Q100 REVG (Grade 2 -40ºC to +105ºC) planned

• Class B Safety Library, IEC 60730

Advanced Analog Features

• ADC Module:

- 10-bit 1 Msps rate with one Sample and Hold (S&H)

- Up to 28 analog inputs

- Can operate during Sleep mode

• Flexible and independent ADC trigger sources

• On-chip temperature measurement capability

• Comparators:

- Two dual-input Comparator modules

- Programmable references with 32 voltage points

Debugger Development Support

•

In-circuit and in-application programming

4-wire MIPS

Enhanced JTAG interface

Unlimited program and six complex data breakpoints

IEEE 1149.2-compatible (JTAG) boundary scan

Packages

Type

Pin Count

I/O Pins (up to)

Contact/Lead Pitch

Dimensions

Note:

QFN

0.50

9x9x0.9

0.50

10x10x1

TQFP

100

0.40

12x12x1

100

0.50

14x14x1

VTLA

124

0.50

9x9x0.9

All dimensions are in millimeters (mm) unless specified.



2012-2013 Microchip Technology Inc.

Preliminary

DS60001185B-page 1

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