PIC24HJ32GP202-E/SP
PIC24HJ32GP202-E/SP - 16-bit 40MIPS 32KB Flash MCU | Microchip
The Microchip Technology PIC24HJ32GP202-E/SP is a high-performance 16-bit microcontroller from the PIC24H family, featuring a 16-bit (data) modified Harvard architecture with an enhanced instruction set and addressing modes. Housed in a 28-pin SPDIP (Skinny Plastic Dual In-line Package, .SP = SPDIP) through-hole package, this MCU delivers 40 MIPS (Million Instructions Per Second) CPU performance, 32 KB of Flash program memory, and 21 general-purpose I/O lines. The integrated peripherals include ADC channels, DMA channels, PWM channels, and a 16-bit timer architecture suitable for real-time control.
A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O ports, designed to execute embedded firmware in real-time systems. The PIC24H architecture sits in the hierarchy: 16-bit MCU -> modified Harvard architecture -> PIC24 family -> 8-bit PIC derivatives. Compared with 8-bit PIC MCUs, the PIC24HJ32GP202 offers DSP-friendly instructions, single-cycle hardware multiply, and a deterministic interrupt latency of 5 cycles, enabling high-speed motor control, digital power conversion, and signal-processing applications.
Key features include 40 MHz maximum operating frequency with 40 MIPS throughput, 32 KB self-programmable Flash with EEPROM emulation, 2 KB SRAM, 16-channel 10-bit ADC with 500 ksps conversion rate, and dual analog comparators. The device also integrates an 8-channel DMA controller, up to 4 output compare/PWM channels, and three 16-bit timers with cascadable operation. The 28-pin SPDIP package provides easy through-hole prototyping compatibility with breadboards and standard IC sockets.
Typical applications include industrial motor control (BLDC, PMSM, stepper), digital power conversion (PFC, LLC), sensor signal processing, LED lighting control, and medical instrumentation. The wide operating voltage range of 3.0V to 3.6V and industrial-grade -40C to +125C operating temperature suit industrial environments. The pin-compatibility with the dsPIC33F DSC family enables migration paths for designs that later require DSP capability.
When designing with this device, ensure decoupling capacitors (100 nF and 10 uF) are placed as close to VDD/VSS pins as possible, follow the in-circuit serial programming (ICSP) layout guidelines for production programming, and use the JTAG boundary scan during prototype validation. The PIC24HJ32GP202 is an enhanced PIC24H variant (E suffix) rated for -40C to +125C extended temperature range.
This page synthesizes distributor pricing, drop-in same-package alternatives, application references, and practical design notes not consolidated in the manufacturer datasheet. For design-in validation, cross-reference with Microchip application notes TB3133 (PIC24H migration), DS01026 (EASPS peripherals), and the family reference manual sections covering ADC, PWM, and DMA architecture.
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