PIC32MZ1025DAB169-I/HF - 200MHz 32-bit MCU | Microchip
N.º de pieza: PIC32MZ1025DAB169-I/HF ✗ Fin de vida| Cant. | Precio unitario | 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 Descripción general
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 directas para PIC32MZ1025DAB169-I/HF — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC32MZ1025DAB169-I/HF (mismo factor de forma y huella) — difiere en Graphics Controller, USB, Package, Operating Temperature, Core Architecture.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC32MZ1025DAB169T-I/HF
✅ Sustitución directa✓ En stock
$12.65 / unidad
Ver hoja de datos →PIC32MZ1025DAB169-I/6J
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC32MZ1025DAB169T-I/6J
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC32MZ1025DAH169-I/HF
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC32MZ1024EFM144-I/PH
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC32MZ1025DAB169-I/HF Valores máximos y características eléctricas
| Core | MIPS32 microAptiv (32-bit) |
| Operating Frequency | 200 MHz max |
| Program Memory (Flash) | 1 MB (1M x 8) |
| SRAM | 256 KB |
| Tensión de alimentación | 1.7 V to 3.6 V |
| I/O Pins | 120 |
| Encapsulado | 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 funcionamiento | -40 C to +85 C (Industrial) |
| Tipo de montaje | Surface Mount |
| Nivel MSL | 3 |
| Estado RoHS | Compliant |
Configuración de pines de PIC32MZ1025DAB169-I/HF
| Pin A1 | VSS — Ground reference |
| Pin A2 | EBIDAT0 — EBI data bit 0 |
| Pin A3 | EBIDAT1 — EBI data bit 1 |
| Pin A4 | EBIDAT2 — EBI data bit 2 |
| Pin A5 | EBIDAT3 — EBI data bit 3 |
| Pin A6 | VDD — Core supply voltage |
| Pin A7 | EBIDAT4 — EBI data bit 4 |
| Pin A8 | EBIDAT5 — EBI data bit 5 |
| Pin A9 | EBIDAT6 — EBI data bit 6 |
| Pin A10 | EBIDAT7 — EBI data bit 7 |
| Pin A11 | VSS — Ground reference |
| Pin B1 | PMD0 — PMP/Parallel Master Port data bit 0 |
| Pin B2 | PMD1 — PMP data bit 1 |
| Pin B3 | PMD2 — PMP data bit 2 |
| Pin B4 | PMD3 — PMP data bit 3 |
| Pin B5 | PMD4 — PMP data bit 4 |
| Pin B6 | VDD — Core supply voltage |
| Pin B7 | PMD5 — PMP data bit 5 |
| Pin B8 | PMD6 — PMP data bit 6 |
| Pin B9 | PMD7 — PMP data bit 7 |
| Pin B10 | PMD8 — PMP data bit 8 |
| Pin B11 | VSS — Ground reference |
| Pin C1 | PMD9 — PMP data bit 9 |
| Pin C2 | PMD10 — PMP data bit 10 |
| Pin C3 | PMD11 — PMP data bit 11 |
| Pin C4 | PMD12 — PMP data bit 12 |
| Pin C5 | PMD13 — PMP data bit 13 |
| Pin C6 | VDD — Core supply voltage |
| Pin C7 | PMD14 — PMP data bit 14 |
| Pin C8 | PMD15 — PMP data bit 15 |
| Pin C9 | PMALL/PMA22 — PMP latch low / address 22 |
| Pin C10 | PMALH/PMA21 — PMP latch high / address 21 |
| Pin C11 | VSS — Ground reference |
| Pin D1 | PMA0 — PMP address bit 0 |
| Pin D2 | PMA1 — PMP address bit 1 |
| Pin D3 | PMA2 — PMP address bit 2 |
| Pin D4 | PMA3 — PMP address bit 3 |
| Pin D5 | PMA4 — PMP address bit 4 |
| Pin D6 | VDD — Core supply voltage |
| Pin D7 | PMA5 — PMP address bit 5 |
| Pin D8 | PMA6 — PMP address bit 6 |
| Pin D9 | PMA7 — PMP address bit 7 |
| Pin D10 | PMA8 — PMP address bit 8 |
| Pin D11 | VSS — Ground reference |
| Pin E1 | PMA9 — PMP address bit 9 |
| Pin E2 | PMA10 — PMP address bit 10 |
| Pin E3 | PMA11 — PMP address bit 11 |
| Pin E4 | PMA12 — PMP address bit 12 |
| Pin E5 | PMA13 — PMP address bit 13 |
| Pin E6 | VDD — Core supply voltage |
| Pin E7 | PMA14 — PMP address bit 14 |
| Pin E8 | PMA15 — PMP address bit 15 |
| Pin E9 | PMA16 — PMP address bit 16 |
| Pin E10 | PMA17 — PMP address bit 17 |
| Pin E11 | VSS — Ground reference |
| Pin F1 | PMRD/PMWR — PMP read/write strobe |
| Pin F2 | PMCS1 — PMP chip select 1 |
| Pin F3 | PMCS2 — PMP chip select 2 |
| Pin F4 | AN0 — Analog input 0 / Port G bit 0 |
| Pin F5 | AN1 — Analog input 1 |
| Pin F6 | VDD — Core supply voltage |
| Pin F7 | AN2 — Analog input 2 |
| Pin F8 | AN3 — Analog input 3 |
| Pin F9 | AN4 — Analog input 4 |
| Pin F10 | AN5 — Analog input 5 |
| Pin F11 | VSS — Ground reference |
| Pin G1 | AN6 — Analog input 6 |
| Pin G2 | AN7 — Analog input 7 |
| Pin G3 | AN8 — Analog input 8 |
| Pin G4 | AN9 — Analog input 9 |
| Pin G5 | AN10 — Analog input 10 |
| Pin G6 | VDD — Core supply voltage |
| Pin G7 | AN11 — Analog input 11 |
| Pin G8 | AN12 — Analog input 12 |
| Pin G9 | AN13 — Analog input 13 |
| Pin G10 | AN14 — Analog input 14 |
| Pin G11 | VSS — Ground reference |
| Pin H1 | AN15 — Analog input 15 |
| Pin H2 | AN16 — Analog input 16 |
| Pin H3 | AN17 — Analog input 17 |
| Pin H4 | AN18 — Analog input 18 |
| Pin H5 | AN19 — Analog input 19 |
| Pin H6 | VDD — Core supply voltage |
| Pin H7 | AN20 — Analog input 20 |
| Pin H8 | AN21 — Analog input 21 |
| Pin H9 | AN22 — Analog input 22 |
| Pin H10 | AN23 — Analog input 23 |
| Pin H11 | VSS — Ground reference |
| Pin J1 | AN24 — Analog input 24 |
| Pin J2 | AN25 — Analog input 25 |
| Pin J3 | AN26 — Analog input 26 |
| Pin J4 | AN27 — Analog input 27 |
| Pin J5 | AN28 — Analog input 28 |
| Pin J6 | VDD — Core supply voltage |
| Pin J7 | AN29 — Analog input 29 |
| Pin J8 | AN30 — Analog input 30 |
| Pin J9 | AN31 — Analog input 31 |
| Pin J10 | AN32 — Analog input 32 |
| Pin J11 | VSS — Ground reference |
| Pin K1 | AN33 — Analog input 33 |
| Pin K2 | AN34 — Analog input 34 |
| Pin K3 | AN35 — Analog input 35 |
| Pin K4 | AN36 — Analog input 36 |
| Pin K5 | AN37 — Analog input 37 |
| Pin K6 | VDD — Core supply voltage |
| Pin K7 | AN38 — Analog input 38 |
| Pin K8 | AN39 — Analog input 39 |
| Pin K9 | AN40 — Analog input 40 |
| Pin K10 | AN41 — Analog input 41 |
| Pin K11 | VSS — Ground reference |
| Pin L1 | AN42 — Analog input 42 |
| Pin L2 | AN43 — Analog input 43 |
| Pin L3 | AN44 — Analog input 44 |
| Pin L4 | VREF+ — ADC voltage reference positive |
| Pin L5 | VREF- — ADC voltage reference negative |
| Pin L6 | AVDD — Analog supply voltage |
| Pin L7 | AVSS — Analog ground |
| Pin L8 | OSC1 — Primary oscillator input |
| Pin L9 | OSC2 — Primary oscillator output |
| Pin L10 | SOSC1 — Secondary oscillator input (32.768 kHz) |
| Pin L11 | SOSC2 — Secondary oscillator output |
| Pin M1 | TCK — JTAG test clock (PGEC1 alternate) |
| Pin M2 | TMS — JTAG test mode select |
| Pin M3 | TDI — JTAG test data input |
| Pin M4 | TDO — JTAG test data output |
| Pin M5 | MCLR — Master clear / reset (active low) |
| Pin M6 | VDD — Core supply voltage |
| Pin M7 | PGEC2 — ICSP clock 2 |
| Pin M8 | PGED2 — ICSP data 2 |
| Pin M9 | PGEC1 — ICSP clock 1 |
| Pin M10 | PGED1 — ICSP data 1 |
| Pin M11 | VSS — Ground reference |
| Pin N1 | D+ — USB D+ (HS USB 2.0) |
| Pin N2 | D- — USB D- (HS USB 2.0) |
| Pin N3 | VBUS — USB VBUS detect |
| Pin N4 | VUSB3V3 — USB 3.3V regulator input |
| Pin N5 | C1RX — CAN 1 receive |
| Pin N6 | VDD — Core supply voltage |
| Pin N7 | C1TX — CAN 1 transmit |
| Pin N8 | C2RX — CAN 2 receive |
| Pin N9 | C2TX — CAN 2 transmit |
| Pin N10 | RTCC1 — RTCC input 1 |
| Pin N11 | RTCC2 — RTCC input 2 |
| Pin P1 | DDRA0 — DDR2 address bit 0 / Port K bit 0 |
| Pin P2 | DDRA1 — DDR2 address bit 1 |
| Pin P3 | DDRA2 — DDR2 address bit 2 |
| Pin P4 | DDRA3 — DDR2 address bit 3 |
| Pin P5 | DDRA4 — DDR2 address bit 4 |
| Pin P6 | VDD — Core supply voltage |
| Pin P7 | DDRA5 — DDR2 address bit 5 |
| Pin P8 | DDRA6 — DDR2 address bit 6 |
| Pin P9 | DDRA7 — DDR2 address bit 7 |
| Pin P10 | DDRA8 — DDR2 address bit 8 |
| Pin P11 | VSS — Ground reference |
| Pin R1 | DDRA9 — DDR2 address bit 9 |
| Pin R2 | DDRA10 — DDR2 address bit 10 |
| Pin R3 | DDRA11 — DDR2 address bit 11 |
| Pin R4 | DDRA12 — DDR2 address bit 12 |
| Pin R5 | DDRA13 — DDR2 address bit 13 |
| Pin R6 | VDD — Core supply voltage |
| Pin R7 | DDRA14 — DDR2 address bit 14 |
| Pin R8 | DDRA15 — DDR2 address bit 15 |
| Pin R9 | DDRBA0 — DDR2 bank address 0 |
| Pin R10 | DDRBA1 — DDR2 bank address 1 |
| Pin R11 | VSS — Ground reference |
| Pin T1 | DDRBA2 — DDR2 bank address 2 |
| Pin T2 | DDRCS — DDR2 chip select |
| Pin T3 | DDRWE — DDR2 write enable |
| Pin T4 | DDRRAS — DDR2 row address strobe |
| Pin T5 | DDRCAS — DDR2 column address strobe |
| Pin T6 | VDD — Core supply voltage |
| Pin T7 | DDRCKE — DDR2 clock enable |
| Pin T8 | DDRCLK — DDR2 clock positive |
| Pin T9 | DDRCLK_N — DDR2 clock negative |
| Pin T10 | DDRODT — DDR2 on-die termination control |
| Pin T11 | VSS — Ground reference |
| Pin U1 | DDRA16 — DDR2 address bit 16 |
| Pin U2 | DDRA17 — DDR2 address bit 17 |
| Pin U3 | DDRD0 — DDR2 data bit 0 |
| Pin U4 | DDRD1 — DDR2 data bit 1 |
| Pin U5 | DDRD2 — DDR2 data bit 2 |
| Pin U6 | VDD — Core supply voltage |
| Pin U7 | DDRD3 — DDR2 data bit 3 |
| Pin U8 | DDRD4 — DDR2 data bit 4 |
| Pin U9 | DDRD5 — DDR2 data bit 5 |
| Pin U10 | DDRD6 — DDR2 data bit 6 |
| Pin U11 | VSS — Ground reference |
| Pin AA | DDRD7 — DDR2 data bit 7 |
| Pin AB | DDRD8 — DDR2 data bit 8 |
| Pin AC | DDRD9 — DDR2 data bit 9 |
| Pin AD | DDRD10 — DDR2 data bit 10 |
| Pin AE | DDRD11 — DDR2 data bit 11 |
| Pin AF | DDRD12 — DDR2 data bit 12 |
| Pin AG | DDRD13 — DDR2 data bit 13 |
| Pin AH | DDRD14 — DDR2 data bit 14 |
| Pin AJ | DDRD15 — DDR2 data bit 15 |
| Pin AK | DDRDM — DDR2 data mask |
| Pin AL | VSS — Ground reference |
Aplicaciones típicas
PIC32MZ1025DAB169-I/HF es adecuado para 6 aplicacións: 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
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC32MZ1025DAB169-I/HF — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | 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 |
Diferenciadores clave
- Integrated hardware graphics controller + DDR2 controller in a single MCU (frente a PIC32MZ1024EFM144-I/PH)
- Hardware crypto engine with secure boot (frente a PIC32MZ1025DAH169-I/HF)
- 169-ball LFBGA with 120 GPIO in a compact 11x11 mm package (frente a PIC32MX family)
Notas de diseño
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.
Información de cumplimiento
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.