The PIC24 16-Bit architecture was designed to meet the demanding needs of real-time control.

Operating Range:

DC – 40 MIPS (40 MIPS @ 3.0-3.6V, -40°C to +125°C)

Industrial temperature range (-40°C to +85°C)

Extended temperature range (-40°C to +125°C)

High-Performance DSC CPU:

Modified Harvard architecture

C compiler optimized instruction set

16-bit wide data path

24-bit wide instructions

Linear program memory addressing up to 4M instruction words

Linear data memory addressing up to 64 Kbytes

71 base instructions: mostly 1 word/1 cycle

Sixteen 16-bit General Purpose Registers

Flexible and powerful Indirect Addressing modes

Software stack

16 x 16 multiply operations

32/16 and 16/16 divide operations

Up to ±16-bit data shifts

Direct Memory Access (DMA):

8-channel hardware DMA

2 Kbytes dual ported DMA buffer area (DMA RAM) to store data transferred via DMA: - Allows data transfer between RAM and a peripheral while CPU is executing code (no cycle stealing)

Most peripherals support DMA

Interrupt Controller:

5-cycle latency

118 interrupt vectors

Up to 61 available interrupt sources

Up to 5 external interrupts

7 programmable priority levels

5 processor exceptions

Digital I/O:

Wake-up/Interrupt-on-Change on up to 24 pins

Output pins can drive from 3.0V to 3.6V

All digital input pins are 5V tolerant

4 mA sink on all I/O pins

System Management:

Flexible clock options: - External, crystal, resonator, internal RC - Fully integrated PLL - Extremely low jitter PLL

Power-up Timer

Oscillator Start-up Timer/Stabilizer

Watchdog Timer with its own RC oscillator

Fail-Safe Clock Monitor

Reset by multiple sources

Power Management:

On-chip 2.5V voltage regulator

Switch between clock sources in real time

Idle, Sleep and Doze modes with fast wake-up

Timers/Capture/Compare/PWM:

Timer/Counters, up to nine 16-bit timers: - Can pair up to make four 32-bit timers - 1 timer runs as Real-Time Clock with external 32.768 kHz oscillator - Programmable prescaler

Input Capture (up to 8 channels): - Capture on up, down or both edges - 16-bit capture input functions - 4-deep FIFO on each capture

Output Compare (up to 8 channels): - Single or Dual 16-Bit Compare mode - 16-bit Glitchless PWM mode

Communication Modules:

3-wire SPI (up to 2 modules): - Framing supports I/O interface to simple codecs - Supports 8-bit and 16-bit data - Supports all serial clock formats and sampling modes

I2C™ (up to 2 modules): - Full Multi-Master Slave mode support - 7-bit and 10-bit addressing - Bus collision detection and arbitration - Integrated signal conditioning - Slave address masking

UART (up to 2 modules): - Interrupt on address bit detect - Interrupt on UART error - Wake-up on Start bit from Sleep mode - 4-character TX and RX FIFO buffers - LIN bus support - IrDA® encoding and decoding in hardware - High-Speed Baud mode - Hardware Flow Control with CTS and RTS

Enhanced CAN (ECAN™ module) 2.0B active (up to 2 modules): - Up to 8 transmit and up to 32 receive buffers - 16 receive filters and 3 masks - Loopback, Listen Only and Listen All Messages modes for diagnostics and bus monitoring - Wake-up on CAN message - Automatic processing of Remote Transmission Requests - FIFO mode using DMA - DeviceNet™ addressing support

Analog-to-Digital Converters:

Up to two A/D modules in a device

10-bit, 1.1 Msps or 12-bit, 500 ksps conversion: - 2, 4 or 8 simultaneous samples - Up to 32 input channels with auto-scanning - Conversion start can be manual or synchronized with 1 of 4 trigger sources - Conversion possible in Sleep mode - ±2 LSb max integral nonlinearity - ±1 LSb max differential nonlinearity

CMOS Flash Technology:

Low-power, high-speed Flash technology

Fully static design

3.3V (±10%) operating voltage

Extended temperature

Low-power consumption

PIC24HJ128GP310A-I-PT datasheet
Code Examples