PIC32MX270F512L中文资料微芯科技数据手册PDF规格书

DEVICE OVERVIEW

This document contains device-specific information for PIC32MX1XX/2XX/5XX 64/100-pin devices.

Operating Conditions

• 2.3V to 3.6V, -40ºC to +105ºC (DC to 40 MHz),

-40ºC to +85ºC (DC to 50 MHz)

Core: 50 MHz/83 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

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)

• 44 μA IPD current (typical)

Audio/Graphics/Touch HMI Features

• External graphics interface with up to 34 PMP pins

• Audio data communication: I2S, LJ, RJ, USB

• Audio data control interface: SPI and I2C

• 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)

Advanced Analog Features

• ADC Module:

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

- Up to 48 analog inputs

- Can operate during Sleep mode

• Flexible and independent ADC trigger sources

• On-chip temperature measurement capability

• Comparators:

- Three dual-input Comparator modules

- Programmable reference with 32 voltage points

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

Communication Interfaces

• USB 2.0-compliant Full-speed OTG controller

• Up to five UART modules (12.5 Mbps):

- LIN 1.2 protocols and IrDA® support

• Four 4-wire SPI modules (25 Mbps)

• Two I2C modules (up to 1 Mbaud) with SMBus support

• PPS to allow function remap

• Parallel Master Port (PMP) with dual read/write buffers

• Controller Area Network (CAN) 2.0B Compliant with DeviceNet™ addressing support

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

• Two additional channels dedicated to CAN

Input/Output

• 10 mA or 15 mA source/sink for standard VOH/VOL and up to 22 mA for non-standard VOH1

• 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)

• Class B Safety Library, IEC 60730

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