PIC24FJ32GP205-E/M4 - 32KB Flash 16-bit XLP MCU 48-UQFN | Microchip
料号： PIC24FJ32GP205-E/M4 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.45 | $3.45 |
| 10 | $3.1 | $31.00 |
| 100 | $2.74 | $274.00 |
| 500 | $2.41 | $1,205.00 |
| 1,000 | $2.08 | $2,080.00 |
PIC24FJ32GP205-E/M4 概述
A 16-bit microcontroller (MCU) is an embedded processor that balances performance and power efficiency versus MCUs by combining a 16-bit data path, on-chip Flash program memory, RAM, and a rich peripheral set. Within the embedded hierarchy it sits above 8-bit MCUs (PIC16, AVR) and below 32-bit MCUs (Cortex-M, PIC32), serving as the workhorse for mid-complexity applications. Microchip's PIC24F family specifically targets low-power designs branded XLP, achieving sub-microamp sleep currents while retaining state and offering peripheral operation without CPU intervention through Core Independent Peripherals (CIPs).
Key features of this part include 32KB ECC Flash (11K x 24 words) for safety-critical code, 8KB RAM for data buffers, USB 2.0 Full-Speed Host/Device/OTG support, multiple 16-bit timers, configurable logic cells, and a 13-channel 10-bit ADC. The device runs from 2.0V to 3.6V Vdd and integrates a hardware real-time clock calendar (RTCC) with battery backup support. Core Independent Peripherals such as the DMA, Configurable Logic Cell (CLC), and Peripheral Trigger Generator (PTG) allow complex sequencing without CPU load.
Architecturally the PIC24FJ32GP205-E/M4 uses a modified Harvard architecture with a 24-bit instruction word and 16-bit data path. The 32 MHz system clock delivers 16 MIPS throughput (one instruction per two clocks), and the integrated USB 2.0 Full-Speed transceiver eliminates external PHY components. ECC on Flash protects against bit errors in noisy industrial environments, complementing the XLP sleep modes that drop current to a few hundred nanoamperes.
Typical applications include USB peripherals (HID, CDC, mass storage), low-power sensor nodes with battery backup, industrial HMI and instrumentation, portable medical devices, and consumer products requiring USB connectivity and long battery life. The wide operating temperature range and small footprint make it well suited to space-constrained industrial modules.
When designing with this part, carefully route the exposed pad (EP) to a continuous ground plane for thermal dissipation and signal integrity. USB DP/DM traces must be length-matched within 150 mils, and the on-chip voltage regulator requires a 10uF + 0.1uF decoupling network at Vcap. Designers should also budget Flash endurance (typically 100K erase/write cycles) when planning for in-field firmware updates.
This page synthesizes Microchip datasheet parameters, distributor pricing, and drop-in alternative guidance not found in any single distributor listing - giving procurement and design engineers an actionable comparison reference in one place.
直接替换替代料： PIC24FJ32GP205-E/M4 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC24FJ32GP205-E/M4 （相同外形与封装尺寸） ——差异在于 Package, ADC, Core, Operating Temperature, CPU Speed.
快速对比工具——选择替代料号进行并排对比：
PIC24FJ32GP205-I/M4
✅ 直接替换✓ 有现货
$1.56 / 个
查看数据手册 →PIC24FJ64GP205-E/M4
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24FJ32GP205T-I/M4
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.18 / 个
查看数据手册 →PIC24FJ128GL405-I/M4
✅ 直接替换✓ 有现货
$4.09 / 个
查看数据手册 →PIC24FJ256GA705-I/M4
✅ 直接替换✓ 有现货
$3.55 / 个
查看数据手册 →PIC24FJ32GP205-E/M4 最大额定值与电气特性
| Core | PIC24F 16-bit modified Harvard |
| CPU Speed | 32 MHz (16 MIPS) |
| Program Flash | 32 KB (11K x 24) with ECC |
| RAM | 8 KB |
| Operating Voltage (Vdd) | 2.0 V to 3.6 V |
| Temperature Range (E suffix) | -40 C to +125 C (industrial) |
| 封装 | 48-UQFN (6x6 mm) with exposed pad |
| 安装类型 | Surface Mount |
| USB | USB 2.0 Full-Speed Host/Device/OTG |
| RTCC | Hardware Real-Time Clock Calendar with VBAT backup |
| Core Independent Peripherals | CLC, DMA, PTG |
| RoHS 状态 | Compliant |
PIC24FJ32GP205-E/M4 引脚配置
| 引脚 1 | RB0 — GPIO RB0 / PGED3 |
| 引脚 2 | RB1 — GPIO RB1 / PGEC3 |
| 引脚 3 | RB2 — GPIO RB2 / AN14 |
| 引脚 4 | RB3 — GPIO RB3 / AN15 |
| 引脚 5 | RB4 — GPIO RB4 / SDA2 |
| 引脚 6 | RB5 — GPIO RB5 / SCL2 |
| 引脚 7 | RB6 — GPIO RB6 |
| 引脚 8 | RB7 — GPIO RB7 |
| 引脚 9 | VSS — Ground |
| 引脚 10 | VDD — Supply voltage 2.0-3.6V |
| 引脚 11 | RC0 — GPIO RC0 |
| 引脚 12 | RC1 — GPIO RC1 |
| 引脚 13 | RC2 — GPIO RC2 |
| 引脚 14 | RC3 — GPIO RC3 |
| 引脚 15 | RC4 — GPIO RC4 |
| 引脚 16 | RC5 — GPIO RC5 |
| 引脚 17 | RC6 — GPIO RC6 |
| 引脚 18 | RC7 — GPIO RC7 |
| 引脚 19 | VSS — Ground |
| 引脚 20 | VDD — Supply voltage 2.0-3.6V |
| 引脚 21 | RD0 — GPIO RD0 |
| 引脚 22 | RD1 — GPIO RD1 |
| 引脚 23 | RD2 — GPIO RD2 |
| 引脚 24 | RD3 — GPIO RD3 |
| 引脚 25 | RD4 — GPIO RD4 |
| 引脚 26 | RD5 — GPIO RD5 |
| 引脚 27 | RD6 — GPIO RD6 |
| 引脚 28 | RD7 — GPIO RD7 |
| 引脚 29 | VSS — Ground |
| 引脚 30 | VDD — Supply voltage 2.0-3.6V |
| 引脚 31 | RA0 — GPIO RA0 / AN0 |
| 引脚 32 | RA1 — GPIO RA1 / AN1 |
| 引脚 33 | RA2 — GPIO RA2 / AN2 / VREF- |
| 引脚 34 | RA3 — GPIO RA3 / AN3 / VREF+ |
| 引脚 35 | RA4 — GPIO RA4 / AN4 |
| 引脚 36 | RA5 — GPIO RA5 / AN5 |
| 引脚 37 | RA6 — GPIO RA6 / OSC2 |
| 引脚 38 | RA7 — GPIO RA7 / OSC1 / CLKI |
| 引脚 39 | VSS — Ground |
| 引脚 40 | D+ — USB D+ data line |
| 引脚 41 | D- — USB D- data line |
| 引脚 42 | VBUS — USB VBUS sense input |
| 引脚 43 | VCAP — Core voltage regulator output - decouple with 10uF + 0.1uF |
| 引脚 44 | RA8 — GPIO RA8 |
| 引脚 45 | RA9 — GPIO RA9 |
| 引脚 46 | RA10 — GPIO RA10 |
| 引脚 47 | RA11 — GPIO RA11 |
| 引脚 48 | RA12 — GPIO RA12 |
典型应用
PIC24FJ32GP205-E/M4 适用于 6 应用s: USB HID Peripherals, Low-Power Sensor Nodes, Industrial HMI Modules, Portable Medical Devices, USB-to-UART/I2C/SPI Bridges, Consumer Appliance Controllers.
USB HID Peripherals
The PIC24FJ32GP205-E/M4 is ideal for USB HID peripherals such as keyboards, mice, game controllers, and custom input devices. Its integrated USB 2.0 Full-Speed transceiver eliminates the need for an external PHY, reducing BOM cost and PCB area. The 32KB ECC Flash easily accommodates Microchip's MLA USB stack plus application code, while the 8KB RAM provides buffer space for HID report descriptors and protocol state. The 48-UQFN (6x6 mm) package fits compact consumer peripherals, and the XLP sleep current of hundreds of nA allows battery-powered designs such as wireless presenters to extend runtime significantly.
推荐
Low-Power Sensor Nodes
The PIC24FJ32GP205-E/M4 suits battery-powered sensor nodes thanks to its eXtreme Low-Power (XLP) technology with sleep currents down to a few hundred nanoamperes while RAM retention keeps state intact. The integrated 13-channel 10-bit ADC reads analog sensors, and Configurable Logic Cells (CLC) can wake the MCU on analog or digital events without CPU intervention. Operating from 2.0V to 3.6V allows direct use with two AA alkaline cells. The hardware RTCC with VBAT backup enables accurate timestamping in unattended deployments, and the 48-UQFN (6x6 mm) footprint suits miniaturized sensor packages.
推荐
Industrial HMI Modules
The PIC24FJ32GP205-E/M4 serves compact industrial HMI modules that must operate reliably from -40C to +125C. Its 16 MIPS throughput drives small TFT or character LCDs via SPI or parallel interface, while the Core Independent Peripherals (CLC, DMA, PTG) handle button debouncing, rotary encoder decoding, and backlight PWM without burdening the CPU. USB OTG allows field firmware updates from a USB stick, eliminating the need for a JTAG programmer in production. The 32KB ECC Flash protects against bit flips common near motors and relays, and the 8KB RAM supports menu structures and event logging.
推荐
Portable Medical Devices
The PIC24FJ32GP205-E/M4 fits portable medical devices such as pulse oximeters, glucometers, and patient wearables. Its XLP sleep modes extend battery life to multi-month levels, critical for disposable or rechargeable medical form factors. ECC Flash is particularly valuable for medical firmware integrity, helping meet IEC 62304 risk-class requirements. The integrated USB 2.0 Full-Speed supports charging and data transfer over a standard micro-USB or USB-C connector using Microchip's CDC class. The 48-UQFN package (6x6 mm) keeps the controller footprint small enough for wearable enclosures.
推荐
USB-to-UART/I2C/SPI Bridges
The PIC24FJ32GP205-E/M4 is well suited for USB-to-serial bridge dongles (CDC class) and USB-to-I2C/SPI protocol converters used in factory programming and field debugging. Its 16 MIPS core handles protocol translation at high baud rates, while 8KB RAM buffers data transfers. The integrated USB transceiver removes the need for external bridge ICs such as FTDI parts, reducing cost. The industrial -E temperature grade supports deployment on factory floors. Microchip's USB CDC + vendor-class stacks provide ready-to-use firmware, and the small UQFN package keeps dongle form factors minimal.
推荐
Consumer Appliance Controllers
The PIC24FJ32GP205-E/M4 is appropriate for consumer appliance controllers such as coffee machines, blenders, and smart kitchen devices that benefit from USB charging ports or firmware-update interfaces. Its -40C to +125C range covers oven-adjacent and outdoor appliances. The Configurable Logic Cells (CLC) handle triac zero-cross detection and motor commutation timing without CPU load, freeing the 16 MIPS core for user-interface and connectivity tasks. ECC Flash protects against corruption from line-voltage transients common in appliance environments. The 48-UQFN package fits tight enclosure geometries typical of modern consumer appliances.
推荐
推荐产品汇总
工程参考数据： PIC24FJ32GP205-E/M4 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC24FJ32GP205-I/M4 | PIC24FJ64GP205-E/M4 | PIC24FJ128GL405-I/M4 | PIC24FJ256GA705-I/M4 |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-UQFN (6x6) | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same |
| Flash | 32 KB ECC | 32 KB ECC | 64 KB ECC | 128 KB ECC | 256 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 32 KB |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| USB | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | No USB |
| Temperature Range | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
关键差异点
- Integrated USB 2.0 Full-Speed Host/Device/OTG （对比 PIC24FJ256GA705-I/M4)
- Industrial -E temperature grade (-40C to +125C) （对比 PIC24FJ32GP205-I/M4)
- XLP sleep current down to hundreds of nA （对比 PIC24FJ32GA004-E/PT)
设计说明
The 48-UQFN (6x6 mm) package features a central exposed thermal pad (EP) that MUST be soldered to a continuous ground plane for electrical performance and thermal dissipation. According to Microchip's package guidelines, the EP should use an array of thermal vias (typically 0.3 mm drill on 0.5-0.8 mm pitch) connecting the top ground plane to inner/lower ground layers. Failure to solder the EP correctly can cause erratic behavior, USB communication errors, and reduced power dissipation capability. Keep all signal traces and vias clear of the EP land pattern to ensure proper solder wetting during reflow.
The PIC24FJ32GP205-E/M4 integrates a 1.8V core LDO regulator that requires an external decoupling capacitor on the Vcap pin. Microchip's datasheet specifies 10uF ceramic (X7R/X5R) plus a parallel 0.1uF ceramic as close to the Vcap pin as possible - within 2 mm is recommended. Estimated: with a 32 MHz CPU and full USB active, the core draws roughly 15-25 mA from Vcap. Do not load the Vcap pin externally except as specified, and do not use it as a reference voltage for other circuits.
USB D+ and D- traces require careful layout per USB 2.0 Full-Speed specifications. Use 90-ohm differential impedance with traces matched within 150 mils (about 4 mm). Keep D+/D- traces short, away from noisy signals, and place a 90-ohm common-mode choke if EMI is a concern. The VBUS sense pin (pin 42) should connect to the USB connector VBUS through a divider or directly to support USB OTG role swap. Series ferrite beads on VBUS help prevent conducted emissions issues.
Common pitfalls when designing with PIC24FJ32GP205-E/M4: (1) Failing to configure the alternate I/O functions early enough - many pins default to analog mode after power-up; (2) Not enabling the JTAG/SWD interface disabled in configuration bits, which causes debug port contention; (3) Exceeding the maximum source/sink current of 25 mA per pin or 200 mA per port; (4) Using ADC inputs without configuring the I/O for digital mode in the TRIS register, which causes incorrect ADC readings; (5) Forgetting to set the configuration bits for the correct oscillator mode, leading to erratic behavior.
合规信息
RoHS and REACH compliant per Microchip product page. -E suffix is industrial grade, not AEC-Q100 qualified; for AEC-Q100 automotive applications, consult Microchip automotive-grade portfolio. Halogen-free and lead-free per Microchip packaging specifications.
