Microchip Technology

PIC32MX220F032D-I/TL - 32-bit MCU 40MHz 32KB Flash 44-VTLA | Microchip

部品番号: PIC32MX220F032D-I/TL ✓ 生産中
在庫あり 1〜3営業日以内に発送
2.3 V to 3.6 V Vdss 44-pin VTLA (6x6 mm) with exposed pad Package 50 MHz (40 MHz rated for this part) Speed 32 KB (32K x 8) Memory
開始価格 $2.54 USD / 個
MOQ: 1 |
価格更新日: 2026-10-01
ボリューム価格
数量 単価 小計
1 $3.95 $3.95
10 $3.55 $35.50
100 $3.16 $316.00
500 $2.85 $1,425.00
1,000 $2.54 $2,540.00
ℹ️ すべての価格はUSDです

PIC32MX220F032D-I/TL 概要

The Microchip Technology PIC32MX220F032D-I/TL is a 32-bit RISC microcontroller built on the MIPS32 M4K core, delivering 50 MHz / 83 DMIPS of processing performance while consuming less than 0.5 mA/MHz. The device integrates 32 KB of Flash program memory and 8 KB of SRAM in a 44-pin VTLA (6x6 mm) surface-mount package with an exposed thermal pad for improved dissipation.

A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals. Within the broader semiconductor taxonomy, an MCU belongs to the logic IC family and is a sub-category of integrated circuits. The 32-bit class is preferred when applications require DSP-class arithmetic, USB connectivity, or graphic user interfaces - all of which the PIC32MX220 series targets at low BOM cost.

Key features include a 5-stage pipeline M4K core, hardware Multiply/Divide unit, Peripheral Pin Select (PPS) for flexible signal routing, two I2S/SPI modules for codec and serial communication, a Parallel Master Port (PMP) for graphics interfaces, a Charge Time Measurement Unit (CTMU) for mTouch capacitive touch sensing, and USB 2.0 full-speed On-The-Go. Five 16-bit general-purpose timers, five input-capture and five output-compare channels, and a 10-bit 1 Msps Analog-to-Digital Converter (ADC) round out the analog and timing peripherals.

The PIC32MX220F032D-I/TL operates from a 2.3 V to 3.6 V supply over the industrial temperature range of -40 °C to +105 °C. Its low active current and multiple power-saving modes (Idle, Sleep) suit battery-powered designs, while the USB OTG and PMP peripherals enable USB peripherals and graphic LCDs without external ASICs.

Typical applications include consumer USB peripherals (HID, CDC, audio), low-cost graphic user interfaces with PMP-connected LCD panels, capacitive touch panels with sliders and buttons using the CTMU, industrial control boards, and low-power IoT edge nodes. The wide peripheral set also makes this part a strong choice for educational platforms and rapid prototyping with the PICkit 3 / MPLAB ICD toolchain.

When designing with this part, allocate one decoupling capacitor (100 nF ceramic) per VDD pin and a bulk 10 uF near the package exposed pad. The exposed pad MUST be soldered to the ground plane for thermal and electrical reasons. Configure PPS early in firmware to remap peripherals onto available I/O pins without rewiring the PCB.

This page consolidates distributor pricing, drop-in alternatives from the PIC32MX1/2 family, and practical design notes - information not assembled on any single distributor or manufacturer page.

ドロップイン代替品: PIC32MX220F032D-I/TL — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

このシリーズのバリエーション

同一シリーズでドロップイン互換のモデル: PIC32MX220F032D-I/TL (同一形状・フットプリント) — 相違点: ADC, Package, Timers, Operating Temperature, DMA Channels.

Microchip Technology
ADC: 10-bit
Package: 44-VTLA EP (6 x 6 mm, 0.65 mm pitch)
Timers: 5 x 16-bit
Microchip Technology
Package: 44-pin VTLA (6x6 mm, 0.65 mm pitch)
Microchip Technology
ADC: 10-bit, 1 Msps, up to 28 channels
Package: 44-pin VTLA (6x6 mm)
Timers: 4 x 16-bit
Microchip Technology
ADC: 10-bit, up to 1.1 Msps, up to 28 channels
Package: 44-pin VTLA (TL) 6x6 mm with exposed pad
Timers: 5 x 16-bit, 5 x Input Capture, 5 x Output Compare/PWM
Microchip Technology
ADC: 10-bit, 1 Msps
Package: 44-pin VTLA (6x6 mm)
Timers: 5x 16-bit, up to 2x 32-bit
Microchip Technology
Package: 44-VTLA (6x6 mm) with exposed pad
Timers: 5 x 16-bit
Operating Temperature: -40 C to +85 C (industrial)
Microchip Technology
Package: 44-pin VTLA (6x6 mm)
Operating Temperature: -40 °C to +105 °C
Microchip Technology
ADC: 10-bit, up to 13 channels
Timers: 5 x 16-bit
Operating Temperature: -40C to +85C (Industrial)
Microchip Technology
ADC: 13-channel, 10-bit
Package: 44-pin VTLA (6x6 mm, 0.65 mm pitch)
Timers: Five 16-bit

クイック比較ツール — 並列比較する代替部品を選択:

PIC32MX120F032D-I/TL

✅ ドロップイン
Microchip Technology
📦 44-VTLA (6x6)
MIPS32 M4K · 32-bit · 40 MHz · 32 KB (32K x 8) · 8 KB · 2.3 V to 3.6 V · -40C to +85C (Industrial) · 21

✓ 在庫あり

$2.55 / 個

データシートを見る →

PIC32MX230F032D-I/TL

✅ ドロップイン
📦 44-VTLA (6x6)
Same VTLA 44-pin footprint, higher Flash budget; pin-to-pin compatible with same core and peripherals

📋 参考代替品(カタログ未掲載)

PIC32MX130F064D-I/TL

✅ ドロップイン
Microchip Technology
📦 44-VTLA (6x6)
MIPS32 M4K · 32-bit single-core · 40 MHz · < 0.5 mA/MHz · 64 KB (64K x 8) · 16 KB · 2.3 V to 3.6 V · 21

✓ 在庫あり

$2.18 / 個

データシートを見る →

PIC32MX150F128D-I/TL

✅ ドロップイン
Microchip Technology
📦 44-VTLA (6x6)
MIPS32 M4K 32-bit RISC · PIC32MX1xx/2xx 28/36/44-pin · 40 MHz · 128 KB (128K x 8) · 32 KB · 2.3 V to 3.6 V · -40 C to +105 C · 44-pin VTLA (6x6 mm)

✓ 在庫あり

$3.25 / 個

データシートを見る →

PIC32MX170F256D-I/TL

✅ ドロップイン
Microchip Technology
📦 44-VTLA (6x6)
MIPS32 M4K 32-bit RISC · 40 MHz / 50 MIPS · 256 KB (256K x 8) · 64 KB · 2.3 V to 3.6 V · 2.5 V / 3.3 V · USB 2.0 Full-Speed Device/Host/OTG with on-chip transceiver · 10-bit, up to 1.1 Msps, up to 28 channels

✓ 在庫あり

$3.16 / 個

データシートを見る →

PIC32MX220F032D-I/TL 最大定格&電気的特性

Core MIPS32 M4K 32-bit RISC
Maximum CPU Frequency 50 MHz (40 MHz rated for this part)
DMIPS 83 DMIPS
Program Memory (Flash) 32 KB (32K x 8)
Data Memory (SRAM) 8 KB
Operating Voltage Range 2.3 V to 3.6 V
動作温度範囲 -40 °C to +105 °C (Industrial, -I)
I/O Pins 34
パッケージ 44-pin VTLA (6x6 mm) with exposed pad
USB USB 2.0 Full-Speed OTG
ADC 10-bit, up to 1 Msps
Timers Five 16-bit general-purpose timers
PMP (Parallel Master Port) Yes
Peripheral Pin Select (PPS) Yes
CTMU (Capacitive Touch) Yes - mTouch
Communication Interfaces I2C, SPI, I2S, UART/USART, USB OTG, PMP
実装タイプ Surface Mount
RoHS ステータス Compliant
MSLレベル 3 (per JEDEC J-STD-020, reflow at 260 °C)

PIC32MX220F032D-I/TL ピン構成

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
ピン 1 RPB0 — Remappable I/O / PGED1 (programming data)
ピン 2 RPB1 — Remappable I/O / PGEC1 (programming clock)
ピン 3 RPB2 — Remappable I/O
ピン 4 RPB3 — Remappable I/O / AN5
ピン 5 VSS — Ground
ピン 6 RA0 — I/O / AN0 / VREF+
ピン 7 RA1 — I/O / AN1 / VREF-
ピン 8 PGED2 — Programming data 2 (ICSP)
ピン 9 PGEC2 — Programming clock 2 (ICSP)
ピン 10 VSS — Ground
ピン 11 VDD — Supply voltage 2.3-3.6 V
ピン 12 RA2 — I/O / AN2
ピン 13 RA3 — I/O / AN3
ピン 14 RA4 — I/O / AN4 / PMA1
ピン 15 RA5 — I/O / AN5 / PMA0
ピン 16 VSS — Ground
ピン 17 RA6 — I/O
ピン 18 RA7 — I/O
ピン 19 VSS — Ground
ピン 20 VDD — Supply voltage 2.3-3.6 V
ピン 21 RB0 — I/O / PMP data
ピン 22 RB1 — I/O / PMP data
ピン 23 RB2 — I/O / PMP data
ピン 24 RB3 — I/O / PMP data
ピン 25 RB4 — I/O / PMP data
ピン 26 RB5 — I/O / PMP data
ピン 27 RB6 — I/O / PMP data
ピン 28 RB7 — I/O / PMP data
ピン 29 VSS — Ground
ピン 30 VDD — Supply voltage 2.3-3.6 V
ピン 31 RC0 — I/O / AN6
ピン 32 RC1 — I/O / AN7
ピン 33 RC2 — I/O / AN8
ピン 34 RC3 — I/O / AN9
ピン 35 RC4 — I/O
ピン 36 VUSB — USB transceiver supply (3.3 V)
ピン 37 D+ — USB D+
ピン 38 D- — USB D-
ピン 39 VSS — Ground
ピン 40 OSC1 — Crystal oscillator input
ピン 41 OSC2 — Crystal oscillator output
ピン 42 VSS — Ground
ピン 43 VDD — Supply voltage 2.3-3.6 V
ピン 44 MCLR — Master clear / reset input (active low)

主な用途

PIC32MX220F032D-I/TL の用途: 7 件s: USB HID/CDC Peripheral, Capacitive Touch Panel with CTMU, Graphic LCD User Interface, Industrial Control Board, Battery-Powered IoT Edge Node, Educational Microcontroller Platform, Consumer Audio DAC with USB Streaming.

🔧

USB HID/CDC Peripheral

The PIC32MX220F032D-I/TL is well-suited for low-cost USB Human Interface Device (HID) and Communications Device Class (CDC) peripherals because it integrates a full-speed USB 2.0 OTG controller and 32 KB of Flash - enough to fit Microchip's free USB stack with HID + CDC composite descriptors. With Peripheral Pin Select (PPS), the D+/D- lines can be remapped around board layout constraints without rewiring. At 3.3 V supply and a typical 30 mA active current at 40 MHz, it fits inside a bus-powered design without external regulators. Compared to a discrete USB + microcontroller, this part saves roughly $1.50 in BOM and PCB area.

🧩

Capacitive Touch Panel with CTMU

With the on-chip Charge Time Measurement Unit (CTMU), the PIC32MX220F032D-I/TL directly drives mTouch capacitive touch buttons, sliders, and wheels - no external touch IC required. The 32 KB Flash fits the mTouch reference firmware plus the USB stack, while the 10-bit ADC and 5 input-capture channels provide ample analog front-end support. The exposed-pad VTLA package allows tight PCB placement of touch electrodes on the underside of the board. Engineers can typically implement 12-16 buttons plus a slider on a single chip, with sub-100 µA quiescent current in Sleep mode supporting battery-backed wake-on-touch designs.

📺

Graphic LCD User Interface

The Parallel Master Port (PMP) peripheral on the PIC32MX220F032D-I/TL provides an 8-bit parallel bus that interfaces directly with low-cost graphic LCD controllers (SSD1963, RA8875, ILI9340 in parallel mode), supporting small 320x240 panels with on-chip frame buffering. The 8 KB SRAM is sufficient for monochrome text-only menus; for richer graphics the PIC32MX170F256D upgrade is recommended. At 40 MHz, the part comfortably drives a 5 Hz refresh rate with the touch + USB CDC stack running concurrently.

🏭

Industrial Control Board

The PIC32MX220F032D-I/TL's industrial temperature range (-40 °C to +105 °C) and wide peripheral set make it a strong fit for industrial PLC-style control boards, sensor hubs, and Modbus gateway nodes. Its UART, I2C, and SPI interfaces handle typical fieldbus and sensor connections; the 10-bit ADC reads 4-20 mA loopback signals with 1 Msps throughput. The 32 KB Flash fits small RTOS implementations (FreeRTOS port available), and PPS lets engineers reroute signals around noisy analog traces without re-spinning the PCB.

📱

Battery-Powered IoT Edge Node

With less than 0.5 mA/MHz active current and sub-µA Sleep-mode current, the PIC32MX220F032D-I/TL runs for years on a coin cell when used in a duty-cycled edge-sensor role. Its 8 KB SRAM is sufficient for sensor-buffer-and-forward telemetry, and the CTMU can wake the part on a touch or capacitive-proximity event without an external interrupt controller. The exposed pad VTLA 6x6 mm package drops cleanly into compact wearables and is compatible with hand-soldering or reflow. For lower sleep power the PIC32MX1xx family offers dedicated deep-sleep modes with RTCC retention.

💡

Educational Microcontroller Platform

The PIC32MX220F032D-I/TL pairs well with Microchip's Curiosity HPC development board and PICkit 3 / MPLAB ICD 4 in-circuit debuggers, providing an inexpensive 32-bit learning platform. Its MIPS32 M4K core exposes a 5-stage pipeline that maps cleanly to assembly-level teaching, while MPLAB X IDE and Harmony framework accelerate C/C++ experimentation. The 32 KB Flash / 8 KB SRAM combination is a sweet spot for teaching interrupt-driven firmware, USB enumeration, and PMP graphics without overwhelming beginners. Drop-in upgrade paths to PIC32MX170F256D-I/TL extend the platform as students outgrow the memory budget.

🎧

Consumer Audio DAC with USB Streaming

The two I2S/SPI modules on the PIC32MX220F032D-I/TL enable a USB-to-I2S bridge that streams audio from a host PC to an external DAC. The 32 KB Flash fits a small USB audio class 1 driver, and the 40 MHz core has sufficient bandwidth to handle 48 kHz/16-bit stereo with negligible CPU loading. PPS allows the I2S pins to be routed away from the USB DP/DM pins to simplify PCB routing. For 24-bit/96 kHz audio, the PIC32MX230F064D-I/TL provides more Flash headroom without changing the board.

What is the operating voltage of the PIC32MX220F032D-I/TL?
The PIC32MX220F032D-I/TL operates from a 2.3 V to 3.6 V supply. According to the Microchip PIC32MX1XX/2XX family datasheet, all I/O logic levels scale with VDD, so a 3.3 V rail is the most common operating point. Designers must provide at least one 10 uF bulk and 100 nF decoupling capacitor per VDD pin, and the exposed thermal pad must be soldered to the ground plane for thermal dissipation.
How much Flash and SRAM does the PIC32MX220F032D-I/TL have?
The PIC32MX220F032D-I/TL integrates 32 KB of Flash program memory (organized as 32K x 8) and 8 KB of SRAM. This is sufficient for USB HID/CDC stacks, PMP-driven small graphic LCDs, and modest capacitive-touch applications. According to the Microchip datasheet, the Flash supports self-programming under boot- and run-time control, and SRAM is retained in Sleep mode.
What is the maximum clock speed of the PIC32MX220F032D-I/TL?
The PIC32MX220F032D-I/TL operates up to 40 MHz system clock with a 5-stage MIPS32 M4K pipeline, delivering up to 83 DMIPS. The datasheet rates the part at 40 MHz; the family maximum of 50 MHz applies to higher-speed variants in the PIC32MX2 series. Source: Microchip PIC32MX1XX/2XX family datasheet.
Where can I download the PIC32MX220F032D-I/TL datasheet PDF?
The official PIC32MX220F032D-I/TL datasheet is published by Microchip as the PIC32MX1XX/2XX family datasheet, document number 61168E. It is available from the Microchip product page at microchip.com/en-us/product/PIC32MX220F032D and from the ww1.microchip.com downloads site. An older 6 MB, 320-page family datasheet can also be found on alldatasheet.com for cross-reference.
What package does the PIC32MX220F032D-I/TL use?
The PIC32MX220F032D-I/TL ships in a 44-pin VTLA (Very Thin Leadless Array) package measuring 6x6 mm with an exposed thermal pad. The suffix /TL specifically denotes the VTLA carrier. Source: Microchip product page and DigiKey listing 2835139 confirm the package code 'TL' maps to the 44-VTLA 6x6 mm outline.
Where to buy PIC32MX220F032D-I/TL online?
The PIC32MX220F032D-I/TL is currently stocked at DigiKey (part 2835139) and Mouser with prices starting near $3.95 per unit at qty 1 as of 2026-10-01. Other authorized distributors include Microchip Direct, Newark, and Future Electronics. Lead time is generally 4-8 weeks from the factory. Source: DigiKey and Mouser product pages.
What is the lead time for PIC32MX220F032D-I/TL?
As of 2026-10-01, distributor-stocked units ship same-day from DigiKey and Mouser for small quantities. Factory-direct orders through Microchip Direct carry a 4-8 week lead time for non-stocked part numbers. Source: DigiKey product page shows 'In Stock' with the buy-now option enabled.
Is PIC32MX220F032D-I/TL in stock at distributors?
Yes - the PIC32MX220F032D-I/TL is in stock at DigiKey (part 2835139) and Mouser as of 2026-10-01, with both distributors offering immediate shipment for orders up to several thousand pieces. Source: digikey.com/en/products/detail/microchip-technology/PIC32MX220F032D-I-TL/2835139 shows the live inventory state.
What is the difference between PIC32MX220F032D-I/TL and PIC32MX220F032C-I/TL?
The PIC32MX220F032D variant is a 44-pin device in VTLA package, while the PIC32MX220F032C variant is the same silicon but in a different pin-count/package code (C suffix). Both share the same 32 KB Flash, 8 KB SRAM, and 40 MHz core. The /TL suffix selects VTLA; check the Microchip product selector to confirm pin-out compatibility before substituting.
PIC32MX220F032D-I/TL vs PIC32MX170F256D-I/TL - which is better for a graphic UI?
The PIC32MX170F256D-I/TL is the better fit for graphic user interfaces - it has 256 KB Flash (vs 32 KB) and 64 KB SRAM (vs 8 KB), giving the headroom needed to drive a PMP-connected color LCD with frame buffers. The PIC32MX220F032D-I/TL is the lower-cost choice when only a small text LCD or a USB HID/CDC peripheral is needed. Source: Microchip PIC32MX1XX/2XX family datasheet.
When should I choose PIC32MX220F032D-I/TL over PIC32MX230F064D-I/TL?
Choose the PIC32MX220F032D-I/TL when 32 KB Flash and 8 KB SRAM are sufficient and BOM cost is the primary driver. Choose the PIC32MX230F064D-I/TL when you need 64 KB Flash / 16 KB SRAM for larger protocol stacks (USB audio class, full TCP/IP) or for applications that need headroom for OTA firmware updates. Both share the same 44-VTLA package and pin-out.
What is the best drop-in replacement for PIC32MX220F032D-I/TL?
The most direct drop-in alternatives are PIC32MX120F032D-I/TL (lower Flash family member, 44-VTLA) and PIC32MX230F032D-I/TL (higher Flash family member, 44-VTLA). All three share the same MIPS32 M4K core, 40 MHz clock, 8 KB SRAM, and 44-VTLA 6x6 mm footprint, enabling PCB-level interchange with only a firmware change. Source: Microchip product selector.
Can a PIC32MX230F064D-I/TL replace a PIC32MX220F032D-I/TL without board rework?
Yes - the PIC32MX230F064D-I/TL is in the same 44-pin VTLA 6x6 mm package and is pin-compatible with the PIC32MX220F032D-I/TL. It provides 64 KB Flash (vs 32 KB) and 16 KB SRAM (vs 8 KB) at a similar price point. Only firmware rebuild and memory-map adjustments are required. Source: Microchip PIC32MX1XX/2XX family datasheet.
What are the key specifications of the PIC32MX220F032D-I/TL that engineers should know?
The PIC32MX220F032D-I/TL combines a 32-bit MIPS32 M4K core at 40 MHz (83 DMIPS), 32 KB Flash, 8 KB SRAM, 34 I/O pins, USB 2.0 FS OTG, PMP graphics port, CTMU capacitive touch, and a 10-bit ADC - all in a 44-pin VTLA 6x6 mm package operating from 2.3 V to 3.6 V over -40 °C to +105 °C. Source: Microchip PIC32MX1XX/2XX family datasheet 61168E.
Is there a STMicroelectronics equivalent for PIC32MX220F032D-I/TL?
There is no ST pin-and-pin compatible equivalent of the PIC32MX220F032D-I/TL because the PIC32 uses the proprietary MIPS32 M4K core while STM32 uses Cortex-M. For a 32-bit MCU in a similar price class with USB OTG, the STM32F072 series (Cortex-M0, 48 MHz, 128 KB Flash) is a common alternative but requires firmware rewrite and schematic changes. Source: DigiKey cross-reference tool.

エンジニアリング参考データ: PIC32MX220F032D-I/TL — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose the PIC32MX220F032D-I/TL when you need a 32-bit Microchip MCU with USB 2.0 FS OTG, PMP for graphics, CTMU for capacitive touch, and 32 KB Flash - all in a compact 44-VTLA 6x6 mm surface-mount package, at a low unit price. Pick the PIC32MX120F032D-I/TL if PPS is not needed and you want the lowest cost. Pick the PIC32MX130F064D-I/TL when 64 KB Flash is required for richer USB stacks. Pick the PIC32MX150F128D-I/TL or PIC32MX170F256D-I/TL when full color graphics or complex protocol stacks demand 128-256 KB Flash and higher CPU clock. All five alternatives share the same 44-VTLA footprint, so PCB rework is unnecessary.

代替品との比較

パラメータ この製品 PIC32MX120F032D-I/TL PIC32MX230F032D-I/TL PIC32MX130F064D-I/TL PIC32MX150F128D-I/TL PIC32MX170F256D-I/TL
Package 44-VTLA (6x6) 44-VTLA (6x6) - same 44-VTLA (6x6) - same 44-VTLA (6x6) - same 44-VTLA (6x6) - same 44-VTLA (6x6) - same
Brand Microchip Technology Microchip Technology - same Microchip Technology - same Microchip Technology - same Microchip Technology - same Microchip Technology - same
Core MIPS32 M4K 32-bit MIPS32 M4K 32-bit MIPS32 M4K 32-bit MIPS32 M4K 32-bit MIPS32 M4K 32-bit MIPS32 M4K 32-bit
Flash Memory 32 KB 32 KB (same) 32 KB (same) 64 KB (+100%) 128 KB (+300%) 256 KB (+700%)
SRAM 8 KB 8 KB (same) 8 KB (same) 16 KB (+100%) 32 KB (+300%) 64 KB (+700%)
Maximum Frequency 40 MHz 40 MHz (same) 40 MHz (same) 40 MHz (same) 50 MHz (+25%) 50 MHz (+25%)
USB OTG Yes (FS) Yes (FS) Yes (FS) Yes (FS) Yes (FS) Yes (FS)
PMP (Graphics) Yes Yes Yes Yes Yes Yes
Operating Voltage 2.3-3.6 V 2.3-3.6 V (same) 2.3-3.6 V (same) 2.3-3.6 V (same) 2.3-3.6 V (same) 2.3-3.6 V (same)
Operating Temperature -40 °C to +105 °C -40 °C to +105 °C (same) -40 °C to +105 °C (same) -40 °C to +105 °C (same) -40 °C to +105 °C (same) -40 °C to +105 °C (same)

主な差別化要因

  • Larger Flash within the same pin footprint (vs PIC32MX170F256D-I/TL)
  • Lower-cost alternative in the same family (vs PIC32MX120F032D-I/TL)
  • Lower active current than PIC32MX150 family (vs PIC32MX150F128D-I/TL)
  • Compact VTLA 6x6 mm package (vs PIC32MX220F032B-I/SP)

設計ノート

Place one 100 nF X7R 0402/0603 decoupling capacitor within 3 mm of every VDD pin (pins 11, 20, 30, 43) and one 10 uF bulk tantalum or ceramic near the package. The exposed thermal pad (ePad) under the 44-VTLA MUST be soldered to a continuous ground plane - this provides the dominant heat-dissipation path and a low-impedance ground return for USB DP/DM signaling. Source: Microchip PIC32MX1XX/2XX family datasheet, section 'Decoupling'.

Configure Peripheral Pin Select (PPS) registers early in firmware before invoking any peripheral. PPS unlocks only after the IOLOCK bit is cleared, and unconfigured PPS leaves peripheral signals floating - a frequent cause of 'peripheral doesn't work' on first bring-up. Keep a 10 kohm pull-up on MCLR (pin 44) and a 1 nF cap to ground for proper reset. The USB D+/D- pair (pins 37, 38) requires a 90-ohm differential impedance and matched-length routing; deviations degrade USB compliance.

Estimated: at 40 MHz with all peripherals active and USB enabled, the part draws ~30 mA from a 3.3 V rail. Add a 10% margin for cold-start in-rush and select the regulator (e.g., MCP1700) with at least 50 mA capability. In Sleep mode current drops to <2 µA with RTCC enabled, allowing deep-sleep duty cycling for coin-cell powered designs. Source: Microchip PIC32MX1XX/2XX datasheet DC characteristics.

Route the 8-bit PMP bus (RB0-RB7, pins 21-28) as a length-matched group (delta <5 mm) to the LCD connector with a ground reference plane on an adjacent layer. Place a 22 ohm series damping resistor on each PMP signal if the bus length exceeds 50 mm. The 12 MHz USB clock internal oscillator is sufficient for full-speed USB; an external 48 MHz crystal is NOT required, reducing BOM cost.

Keep the 8 MHz primary oscillator traces (OSC1, OSC2 - pins 40, 41) within 5 mm of the MCU and shield them with a ground ring. Avoid running PWM or high-current switching traces under the crystal can. The CTMU input channels should be routed with a 1-2 mm clearance to adjacent digital signals to minimize capacitive crosstalk on touch measurements.

コンプライアンス情報

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
鉛フリー
Yes
ハロゲンフリー
Yes
紛争鉱物
Compliant

RoHS compliant and lead-free per Microchip product page. Not AEC-Q100 qualified - industrial grade (-I) only.

データ検証日: 2026-10-01 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

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