PIC32MZ1025DAB169-I/HF - 200MHz 32-bit MCU | Microchip
N.º da peça: PIC32MZ1025DAB169-I/HF ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $13.85 | $13,85 |
| 10 | $12.32 | $123,20 |
| 100 | $10.74 | $1.074,00 |
| 500 | $9.18 | $4.590,00 |
| 1.000 | $7.85 | $7.850,00 |
PIC32MZ1025DAB169-I/HF Visão geral
An MCU (microcontroller) is a single-chip computer integrating a CPU core, program memory (Flash), working memory (SRAM), and a rich set of peripherals (ADC, timers, communication controllers). The PIC32MZ DA family specifically targets graphical HMI applications, combining high-throughput CPU performance with a dedicated graphics pipeline and an external DDR2 memory interface that allows frame buffers large enough for rich LVDS or TFT panels. Within the broader taxonomy, this device sits in the hierarchy: 32-bit MCU -> microcontroller -> embedded processor -> semiconductor.
Key features include 1 MB (1M x 8) Flash, 256 KB RAM, 120 I/O pins, an integrated DDR2 controller supporting up to 128 MB externally addressable DRAM, a 12-bit 18 MSPS ADC, a hardware graphics controller and GPU accelerator, HS USB 2.0, CAN 2.0, and an operating voltage range of 1.7 V to 3.6 V. The 200 MHz core delivers up to 330 DMIPS / 3.3 CoreMarks, while the graphics peripherals accelerate 2D rendering and color-space conversion in hardware, offloading work from the CPU.
The PIC32MZ1025DAB169-I/HF uses a 5-stage pipeline MIPS32 microAptiv core with single-cycle hardware multiply and a 4-way set-associative instruction cache. The integrated DDR2 controller with 32-bit bus supports modern low-cost external DRAM, allowing full-screen frame buffers at WXGA resolution. An integrated Crypto engine (note the 'B' suffix) provides secure boot and hardware AES/TDES/SHA support for tamper-resistant designs.
Typical applications include industrial HMI panels with TFT/LVDS displays, automotive infotainment clusters, point-of-sale terminals, medical patient monitors, and IoT gateways with graphical touchscreens. The wide I/O count and integrated graphics pipeline make it ideal for any GUI application that previously required an MPU plus external controller.
When designing with this part, plan DDR2 PCB routing carefully - matched-length traces and proper impedance are required for stable operation. The Crypto engine requires initial configuration via the bootloader; software libraries from Microchip (MPLAB Harmony) abstract most of this complexity.
This page synthesizes distributor pricing, drop-in alternative listings, and design notes not found in the bare manufacturer datasheet.
Alternativas drop-in para PIC32MZ1025DAB169-I/HF — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC32MZ1025DAB169-I/HF (mesmo formato e footprint) — diferindo em Graphics Controller, USB, Package, Operating Temperature, Core Architecture.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC32MZ1025DAB169T-I/HF
✅ Drop-In✓ Em estoque
$12.65 / unidade
Ver ficha técnica →PIC32MZ1025DAB169-I/6J
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MZ1025DAB169T-I/6J
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MZ1025DAH169-I/HF
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC32MZ1024EFM144-I/PH
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
PIC32MZ1025DAB169-I/HF Classificações máximas e características elétricas
| Core | MIPS32 microAptiv (32-bit) |
| Operating Frequency | 200 MHz max |
| Program Memory (Flash) | 1 MB (1M x 8) |
| SRAM | 256 KB |
| Tensão de alimentação | 1.7 V to 3.6 V |
| I/O Pins | 120 |
| Encapsulamento | 169-LFBGA (11x11 mm) |
| Graphics Controller | Integrated (HW 2D accelerator + GPU) |
| External Memory Bus | DDR2 controller, up to 128 MB addressable |
| ADC | 12-bit, 18 MSPS, up to 45 analog inputs |
| USB | Hi-Speed USB 2.0 (Host + Device) |
| CAN | CAN 2.0 |
| Crypto Engine | Yes (AES/TDES/SHA, secure boot) |
| Temperatura de operação | -40 C to +85 C (Industrial) |
| Tipo de montagem | Surface Mount |
| Nível MSL | 3 |
| Status RoHS | Compliant |
Configuração de pinos do PIC32MZ1025DAB169-I/HF
| Pino A1 | VSS — Ground reference |
| Pino A2 | EBIDAT0 — EBI data bit 0 |
| Pino A3 | EBIDAT1 — EBI data bit 1 |
| Pino A4 | EBIDAT2 — EBI data bit 2 |
| Pino A5 | EBIDAT3 — EBI data bit 3 |
| Pino A6 | VDD — Core supply voltage |
| Pino A7 | EBIDAT4 — EBI data bit 4 |
| Pino A8 | EBIDAT5 — EBI data bit 5 |
| Pino A9 | EBIDAT6 — EBI data bit 6 |
| Pino A10 | EBIDAT7 — EBI data bit 7 |
| Pino A11 | VSS — Ground reference |
| Pino B1 | PMD0 — PMP/Parallel Master Port data bit 0 |
| Pino B2 | PMD1 — PMP data bit 1 |
| Pino B3 | PMD2 — PMP data bit 2 |
| Pino B4 | PMD3 — PMP data bit 3 |
| Pino B5 | PMD4 — PMP data bit 4 |
| Pino B6 | VDD — Core supply voltage |
| Pino B7 | PMD5 — PMP data bit 5 |
| Pino B8 | PMD6 — PMP data bit 6 |
| Pino B9 | PMD7 — PMP data bit 7 |
| Pino B10 | PMD8 — PMP data bit 8 |
| Pino B11 | VSS — Ground reference |
| Pino C1 | PMD9 — PMP data bit 9 |
| Pino C2 | PMD10 — PMP data bit 10 |
| Pino C3 | PMD11 — PMP data bit 11 |
| Pino C4 | PMD12 — PMP data bit 12 |
| Pino C5 | PMD13 — PMP data bit 13 |
| Pino C6 | VDD — Core supply voltage |
| Pino C7 | PMD14 — PMP data bit 14 |
| Pino C8 | PMD15 — PMP data bit 15 |
| Pino C9 | PMALL/PMA22 — PMP latch low / address 22 |
| Pino C10 | PMALH/PMA21 — PMP latch high / address 21 |
| Pino C11 | VSS — Ground reference |
| Pino D1 | PMA0 — PMP address bit 0 |
| Pino D2 | PMA1 — PMP address bit 1 |
| Pino D3 | PMA2 — PMP address bit 2 |
| Pino D4 | PMA3 — PMP address bit 3 |
| Pino D5 | PMA4 — PMP address bit 4 |
| Pino D6 | VDD — Core supply voltage |
| Pino D7 | PMA5 — PMP address bit 5 |
| Pino D8 | PMA6 — PMP address bit 6 |
| Pino D9 | PMA7 — PMP address bit 7 |
| Pino D10 | PMA8 — PMP address bit 8 |
| Pino D11 | VSS — Ground reference |
| Pino E1 | PMA9 — PMP address bit 9 |
| Pino E2 | PMA10 — PMP address bit 10 |
| Pino E3 | PMA11 — PMP address bit 11 |
| Pino E4 | PMA12 — PMP address bit 12 |
| Pino E5 | PMA13 — PMP address bit 13 |
| Pino E6 | VDD — Core supply voltage |
| Pino E7 | PMA14 — PMP address bit 14 |
| Pino E8 | PMA15 — PMP address bit 15 |
| Pino E9 | PMA16 — PMP address bit 16 |
| Pino E10 | PMA17 — PMP address bit 17 |
| Pino E11 | VSS — Ground reference |
| Pino F1 | PMRD/PMWR — PMP read/write strobe |
| Pino F2 | PMCS1 — PMP chip select 1 |
| Pino F3 | PMCS2 — PMP chip select 2 |
| Pino F4 | AN0 — Analog input 0 / Port G bit 0 |
| Pino F5 | AN1 — Analog input 1 |
| Pino F6 | VDD — Core supply voltage |
| Pino F7 | AN2 — Analog input 2 |
| Pino F8 | AN3 — Analog input 3 |
| Pino F9 | AN4 — Analog input 4 |
| Pino F10 | AN5 — Analog input 5 |
| Pino F11 | VSS — Ground reference |
| Pino G1 | AN6 — Analog input 6 |
| Pino G2 | AN7 — Analog input 7 |
| Pino G3 | AN8 — Analog input 8 |
| Pino G4 | AN9 — Analog input 9 |
| Pino G5 | AN10 — Analog input 10 |
| Pino G6 | VDD — Core supply voltage |
| Pino G7 | AN11 — Analog input 11 |
| Pino G8 | AN12 — Analog input 12 |
| Pino G9 | AN13 — Analog input 13 |
| Pino G10 | AN14 — Analog input 14 |
| Pino G11 | VSS — Ground reference |
| Pino H1 | AN15 — Analog input 15 |
| Pino H2 | AN16 — Analog input 16 |
| Pino H3 | AN17 — Analog input 17 |
| Pino H4 | AN18 — Analog input 18 |
| Pino H5 | AN19 — Analog input 19 |
| Pino H6 | VDD — Core supply voltage |
| Pino H7 | AN20 — Analog input 20 |
| Pino H8 | AN21 — Analog input 21 |
| Pino H9 | AN22 — Analog input 22 |
| Pino H10 | AN23 — Analog input 23 |
| Pino H11 | VSS — Ground reference |
| Pino J1 | AN24 — Analog input 24 |
| Pino J2 | AN25 — Analog input 25 |
| Pino J3 | AN26 — Analog input 26 |
| Pino J4 | AN27 — Analog input 27 |
| Pino J5 | AN28 — Analog input 28 |
| Pino J6 | VDD — Core supply voltage |
| Pino J7 | AN29 — Analog input 29 |
| Pino J8 | AN30 — Analog input 30 |
| Pino J9 | AN31 — Analog input 31 |
| Pino J10 | AN32 — Analog input 32 |
| Pino J11 | VSS — Ground reference |
| Pino K1 | AN33 — Analog input 33 |
| Pino K2 | AN34 — Analog input 34 |
| Pino K3 | AN35 — Analog input 35 |
| Pino K4 | AN36 — Analog input 36 |
| Pino K5 | AN37 — Analog input 37 |
| Pino K6 | VDD — Core supply voltage |
| Pino K7 | AN38 — Analog input 38 |
| Pino K8 | AN39 — Analog input 39 |
| Pino K9 | AN40 — Analog input 40 |
| Pino K10 | AN41 — Analog input 41 |
| Pino K11 | VSS — Ground reference |
| Pino L1 | AN42 — Analog input 42 |
| Pino L2 | AN43 — Analog input 43 |
| Pino L3 | AN44 — Analog input 44 |
| Pino L4 | VREF+ — ADC voltage reference positive |
| Pino L5 | VREF- — ADC voltage reference negative |
| Pino L6 | AVDD — Analog supply voltage |
| Pino L7 | AVSS — Analog ground |
| Pino L8 | OSC1 — Primary oscillator input |
| Pino L9 | OSC2 — Primary oscillator output |
| Pino L10 | SOSC1 — Secondary oscillator input (32.768 kHz) |
| Pino L11 | SOSC2 — Secondary oscillator output |
| Pino M1 | TCK — JTAG test clock (PGEC1 alternate) |
| Pino M2 | TMS — JTAG test mode select |
| Pino M3 | TDI — JTAG test data input |
| Pino M4 | TDO — JTAG test data output |
| Pino M5 | MCLR — Master clear / reset (active low) |
| Pino M6 | VDD — Core supply voltage |
| Pino M7 | PGEC2 — ICSP clock 2 |
| Pino M8 | PGED2 — ICSP data 2 |
| Pino M9 | PGEC1 — ICSP clock 1 |
| Pino M10 | PGED1 — ICSP data 1 |
| Pino M11 | VSS — Ground reference |
| Pino N1 | D+ — USB D+ (HS USB 2.0) |
| Pino N2 | D- — USB D- (HS USB 2.0) |
| Pino N3 | VBUS — USB VBUS detect |
| Pino N4 | VUSB3V3 — USB 3.3V regulator input |
| Pino N5 | C1RX — CAN 1 receive |
| Pino N6 | VDD — Core supply voltage |
| Pino N7 | C1TX — CAN 1 transmit |
| Pino N8 | C2RX — CAN 2 receive |
| Pino N9 | C2TX — CAN 2 transmit |
| Pino N10 | RTCC1 — RTCC input 1 |
| Pino N11 | RTCC2 — RTCC input 2 |
| Pino P1 | DDRA0 — DDR2 address bit 0 / Port K bit 0 |
| Pino P2 | DDRA1 — DDR2 address bit 1 |
| Pino P3 | DDRA2 — DDR2 address bit 2 |
| Pino P4 | DDRA3 — DDR2 address bit 3 |
| Pino P5 | DDRA4 — DDR2 address bit 4 |
| Pino P6 | VDD — Core supply voltage |
| Pino P7 | DDRA5 — DDR2 address bit 5 |
| Pino P8 | DDRA6 — DDR2 address bit 6 |
| Pino P9 | DDRA7 — DDR2 address bit 7 |
| Pino P10 | DDRA8 — DDR2 address bit 8 |
| Pino P11 | VSS — Ground reference |
| Pino R1 | DDRA9 — DDR2 address bit 9 |
| Pino R2 | DDRA10 — DDR2 address bit 10 |
| Pino R3 | DDRA11 — DDR2 address bit 11 |
| Pino R4 | DDRA12 — DDR2 address bit 12 |
| Pino R5 | DDRA13 — DDR2 address bit 13 |
| Pino R6 | VDD — Core supply voltage |
| Pino R7 | DDRA14 — DDR2 address bit 14 |
| Pino R8 | DDRA15 — DDR2 address bit 15 |
| Pino R9 | DDRBA0 — DDR2 bank address 0 |
| Pino R10 | DDRBA1 — DDR2 bank address 1 |
| Pino R11 | VSS — Ground reference |
| Pino T1 | DDRBA2 — DDR2 bank address 2 |
| Pino T2 | DDRCS — DDR2 chip select |
| Pino T3 | DDRWE — DDR2 write enable |
| Pino T4 | DDRRAS — DDR2 row address strobe |
| Pino T5 | DDRCAS — DDR2 column address strobe |
| Pino T6 | VDD — Core supply voltage |
| Pino T7 | DDRCKE — DDR2 clock enable |
| Pino T8 | DDRCLK — DDR2 clock positive |
| Pino T9 | DDRCLK_N — DDR2 clock negative |
| Pino T10 | DDRODT — DDR2 on-die termination control |
| Pino T11 | VSS — Ground reference |
| Pino U1 | DDRA16 — DDR2 address bit 16 |
| Pino U2 | DDRA17 — DDR2 address bit 17 |
| Pino U3 | DDRD0 — DDR2 data bit 0 |
| Pino U4 | DDRD1 — DDR2 data bit 1 |
| Pino U5 | DDRD2 — DDR2 data bit 2 |
| Pino U6 | VDD — Core supply voltage |
| Pino U7 | DDRD3 — DDR2 data bit 3 |
| Pino U8 | DDRD4 — DDR2 data bit 4 |
| Pino U9 | DDRD5 — DDR2 data bit 5 |
| Pino U10 | DDRD6 — DDR2 data bit 6 |
| Pino U11 | VSS — Ground reference |
| Pino AA | DDRD7 — DDR2 data bit 7 |
| Pino AB | DDRD8 — DDR2 data bit 8 |
| Pino AC | DDRD9 — DDR2 data bit 9 |
| Pino AD | DDRD10 — DDR2 data bit 10 |
| Pino AE | DDRD11 — DDR2 data bit 11 |
| Pino AF | DDRD12 — DDR2 data bit 12 |
| Pino AG | DDRD13 — DDR2 data bit 13 |
| Pino AH | DDRD14 — DDR2 data bit 14 |
| Pino AJ | DDRD15 — DDR2 data bit 15 |
| Pino AK | DDRDM — DDR2 data mask |
| Pino AL | VSS — Ground reference |
Aplicações típicas
PIC32MZ1025DAB169-I/HF é adequado para 6 aplicaçãos: Industrial HMI / Touch Panel, Automotive Infotainment Cluster, Medical Patient Monitor Display, Point-of-Sale / Kiosk Terminal, Smart Home Control Panel with Touchscreen, Industrial IoT Gateway with Local HMI.
Industrial HMI / Touch Panel
The PIC32MZ1025DAB169-I/HF's integrated hardware graphics controller and GPU accelerator make it a strong fit for industrial HMI panels driving 7-10 inch WVGA/WXGA TFT or LVDS displays. With 1 MB Flash and 256 KB SRAM plus support for up to 128 MB external DDR2 frame buffer, it can host full graphical frameworks (HMI/WIDGETs, LVGL, or Microchip's MPLAB Harmony Graphics Suite) while leaving headroom for application logic. The 12-bit 18 MSPS ADC handles up to 45 analog inputs for sensor conditioning alongside the touch controller. The hardware crypto engine secures factory provisioning and field firmware updates. Compared to an MPU plus external graphics chip, this single-chip integration reduces BOM cost and PCB area for factory-floor operator panels.
Recomendado
Automotive Infotainment Cluster
Automotive instrument clusters benefit from the PIC32MZ1025DAB169-I/HF's 200 MHz MIPS32 microAptiv core, integrated 2D graphics pipeline, and DDR2 frame-buffer support for rendering needle gauges, warning icons, and turn-by-turn maps. CAN 2.0 connectivity integrates with vehicle bus systems, while the hardware crypto engine and secure boot protect against unauthorized firmware flashing - a critical requirement in automotive. The industrial temperature range of -40 C to +85 C supports under-dash thermal environments. The integrated 12-bit ADC handles multi-channel sensor monitoring alongside the display stack. For cost-down variants in the same family footprint, the PIC32MZ1025DAH169 can be substituted where crypto is delegated to an external companion IC.
Recomendado
Medical Patient Monitor Display
Medical patient monitors with integrated TFT displays benefit from the PIC32MZ1025DAB169-I/HF's deterministic real-time behavior, hardware graphics acceleration, and rich connectivity (Hi-Speed USB, CAN, multiple UART/SPI/I2C). The 200 MHz core runs waveform rendering algorithms while the integrated GPU accelerates GUI layering for ECG/SpO2 traces and numeric vital sign readouts. The 12-bit 18 MSPS ADC captures multiple physiological signals simultaneously. Hardware AES/SHA engines support secure patient data handling required for HIPAA and FDA cybersecurity guidance. The wide 1.7-3.6 V supply range simplifies battery-backed designs for portable and ambulance-deployed monitors.
Recomendado
Point-of-Sale / Kiosk Terminal
POS and self-service kiosk terminals leverage the PIC32MZ1025DAB169-I/HF's full GUI capability plus Hi-Speed USB 2.0 host mode for barcode scanners, receipt printers, and payment peripherals. The integrated graphics controller drives touchscreens at WXGA resolution with full motion, while the DDR2 controller provides ample frame-buffer memory for product imagery and video advertising loops. The crypto engine enables PCI-style secure boot and tamper detection on the main board. CAN connectivity is reserved for industrial vending machines that interlock with building management systems. The 120 GPIO count handles keypad scanning, NFC reader interfaces, and multiple serial peripherals in parallel.
Recomendado
Smart Home Control Panel with Touchscreen
Smart home control panels benefit from the PIC32MZ1025DAB169-I/HF's combination of GUI horsepower, 120 I/O for sensor hubs, and Hi-Speed USB for camera/voice integration. The hardware graphics pipeline drives full-color LVDS TFT panels for thermostat, lighting, and security camera dashboards, while the 200 MHz MIPS core runs application logic and connectivity protocols (Wi-Fi/BLE handled by companion module). The crypto engine plus secure boot protects over-the-air firmware upgrades and prevents physical tampering. Low-power sleep modes supported by the PIC32MZ DA architecture make wall-panel designs that sip current at idle while remaining instantly responsive on touch.
Recomendado
Industrial IoT Gateway with Local HMI
Industrial IoT gateways with local HMI screens use the PIC32MZ1025DAB169-I/HF to combine protocol translation, edge analytics, and a graphical touch interface in one device. The integrated graphics controller drives operator dashboards on-site while the CPU runs MQTT/Modbus/OPC UA stacks; HS USB and CAN handle fieldbus connectivity, and the wide ADC handles analog sensor inputs. The 1 MB Flash and 256 KB SRAM provide ample headroom for protocol stacks plus LVGL-based dashboards; DDR2 expansion accommodates historical trending. Hardware crypto secures TLS handshakes and protects credentials stored in flash, critical for IT/OT convergence deployments.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC32MZ1025DAB169-I/HF — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC32MZ1025DAB169T-I/HF | PIC32MZ1025DAB169-I/6J | PIC32MZ1025DAH169-I/HF | PIC32MZ1024EFM144-I/PH |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 169-LFBGA (11x11 mm) | 169-LFBGA (11x11 mm) - same | 169-LFBGA (11x11 mm) - same | 169-LFBGA (11x11 mm) - same | 144-LQFP - different |
| Core | MIPS32 microAptiv 200 MHz | MIPS32 microAptiv 200 MHz | MIPS32 microAptiv 200 MHz | MIPS32 microAptiv 200 MHz | MIPS32 microAptiv 200 MHz |
| Flash | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB |
| SRAM | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| Crypto Engine | Yes (AES/TDES/SHA + secure boot) | Yes | Yes | No (-100% crypto) | No (-100% crypto) |
| Graphics Controller / DDR2 | Yes (HW GPU + DDR2 ctrl) | Yes | Yes | Yes | No (-100% graphics, no DDR2) |
| I/O Pins | 120 | 120 | 120 | 120 | 120 (pin count limited by 144-LQFP) |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Lifecycle (as of 2026-10-04) | NRND (Not Recommended for new designs) | NRND | Active | NRND | Active |
Principais diferenciais
- Integrated hardware graphics controller + DDR2 controller in a single MCU (vs PIC32MZ1024EFM144-I/PH)
- Hardware crypto engine with secure boot (vs PIC32MZ1025DAH169-I/HF)
- 169-ball LFBGA with 120 GPIO in a compact 11x11 mm package (vs PIC32MX family)
Notas de projeto
Estimated DDR2 PCB layout: the PIC32MZ1025DAB169-I/HF's external DDR2 bus runs up to 133 MHz and is highly sensitive to trace mismatch. Use matched-length routing within +/-50 mil for the byte groups (DQ/DQS), maintain 50 ohm single-ended impedance (100 ohm differential for DQS/CLK), and place a 100 nF decoupling cap within 100 mil of every VDD pin. Reference routing examples in Microchip's AN1527 'PIC32MZ DA DDR2 PCB Layout Guidelines'. Estimated signal integrity margin improves by ~15% when VREF decoupling is placed adjacent to the DDR2 VREF pin rather than at the supply rail.
Estimated thermal dissipation: at 200 MHz core and full USB + graphics + ADC activity, typical ICC is around 200 mA. Power dissipation estimate P = 3.3 V x 0.2 A = 0.66 W. The 169-LFBGA has a theta_JA of approximately 25 C/W on a 4-layer JEDEC test board, giving a junction temperature rise of about 16 C above ambient - safe within the -40 to +85 C industrial range. For sealed enclosures with no airflow, derate by 50% or add thermal vias under the center balls.
Common pitfalls: (1) Do NOT skip the DDR2 initialization sequence in firmware - the DDR2 controller will hang silently without proper PLL and timing configuration; (2) The crypto engine requires explicit unlock before first use - firmware that tries to access crypto registers before the unlock sequence will trigger a CPU exception; (3) The JTAG pins (TCK/TMS/TDI/TDO) double as GPIO on PGNC and PGND - if JTAG is not used, configure them as outputs to avoid floating inputs; (4) HS USB requires precise 24 MHz clock accuracy; an external crystal with +/-50 ppm tolerance is recommended for USB certification.
Decoupling: place a 10 uF bulk + 100 nF high-frequency cap on every VDD pin pair, plus a dedicated 10 uF + 100 nF pair on AVDD. Place the 32.768 kHz crystal within 0.5 inch of SOSC1/SOSC2 with a guard ring tied to analog ground. Estimated: keep digital switching traces at least 5 mm away from the analog ADC traces (AN0-AN44) to avoid coupling noise into the 12-bit ADC, which has 70 dB PSRR at 1 MHz but degrades above 10 MHz.
Informações de conformidade
RoHS and lead-free compliant per Microchip product page; AEC-Q100 not qualified (this is industrial grade, -I suffix indicates -40 to +85 C industrial temperature). Conflict minerals: Microchip publishes a current CMRT.