PIC32MZ1025DAB169-I/HF - 200MHz 32-bit MCU | Microchip
MPN: PIC32MZ1025DAB169-I/HF ✗ Cuối đờiPIC32MZ1025DAB169-I/HF Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho PIC32MZ1025DAB169-I/HF — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC32MZ1025DAB169-I/HF (cùng hình factor và footprint) — khác nhau ở Graphics Controller, USB, Package, Operating Temperature, Core Architecture.
PIC32MZ1025DAB169T-I/HF
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MZ1025DAB169-I/6J
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MZ1025DAB169T-I/6J
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MZ1025DAH169-I/HF
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MZ1024EFM144-I/PH
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MZ1025DAB169-I/HF Tỷ lệ tối đa & tính chất điện
| Core | MIPS32 microAptiv (32-bit) |
| Operating Frequency | 200 MHz max |
| Program Memory (Flash) | 1 MB (1M x 8) |
| SRAM | 256 KB |
| Điện áp cung cấp | 1.7 V to 3.6 V |
| I/O Pins | 120 |
| Hộp | 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) |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC32MZ1025DAB169-I/HF
| Chân A1 | VSS — Ground reference |
| Chân A2 | EBIDAT0 — EBI data bit 0 |
| Chân A3 | EBIDAT1 — EBI data bit 1 |
| Chân A4 | EBIDAT2 — EBI data bit 2 |
| Chân A5 | EBIDAT3 — EBI data bit 3 |
| Chân A6 | VDD — Core supply voltage |
| Chân A7 | EBIDAT4 — EBI data bit 4 |
| Chân A8 | EBIDAT5 — EBI data bit 5 |
| Chân A9 | EBIDAT6 — EBI data bit 6 |
| Chân A10 | EBIDAT7 — EBI data bit 7 |
| Chân A11 | VSS — Ground reference |
| Chân B1 | PMD0 — PMP/Parallel Master Port data bit 0 |
| Chân B2 | PMD1 — PMP data bit 1 |
| Chân B3 | PMD2 — PMP data bit 2 |
| Chân B4 | PMD3 — PMP data bit 3 |
| Chân B5 | PMD4 — PMP data bit 4 |
| Chân B6 | VDD — Core supply voltage |
| Chân B7 | PMD5 — PMP data bit 5 |
| Chân B8 | PMD6 — PMP data bit 6 |
| Chân B9 | PMD7 — PMP data bit 7 |
| Chân B10 | PMD8 — PMP data bit 8 |
| Chân B11 | VSS — Ground reference |
| Chân C1 | PMD9 — PMP data bit 9 |
| Chân C2 | PMD10 — PMP data bit 10 |
| Chân C3 | PMD11 — PMP data bit 11 |
| Chân C4 | PMD12 — PMP data bit 12 |
| Chân C5 | PMD13 — PMP data bit 13 |
| Chân C6 | VDD — Core supply voltage |
| Chân C7 | PMD14 — PMP data bit 14 |
| Chân C8 | PMD15 — PMP data bit 15 |
| Chân C9 | PMALL/PMA22 — PMP latch low / address 22 |
| Chân C10 | PMALH/PMA21 — PMP latch high / address 21 |
| Chân C11 | VSS — Ground reference |
| Chân D1 | PMA0 — PMP address bit 0 |
| Chân D2 | PMA1 — PMP address bit 1 |
| Chân D3 | PMA2 — PMP address bit 2 |
| Chân D4 | PMA3 — PMP address bit 3 |
| Chân D5 | PMA4 — PMP address bit 4 |
| Chân D6 | VDD — Core supply voltage |
| Chân D7 | PMA5 — PMP address bit 5 |
| Chân D8 | PMA6 — PMP address bit 6 |
| Chân D9 | PMA7 — PMP address bit 7 |
| Chân D10 | PMA8 — PMP address bit 8 |
| Chân D11 | VSS — Ground reference |
| Chân E1 | PMA9 — PMP address bit 9 |
| Chân E2 | PMA10 — PMP address bit 10 |
| Chân E3 | PMA11 — PMP address bit 11 |
| Chân E4 | PMA12 — PMP address bit 12 |
| Chân E5 | PMA13 — PMP address bit 13 |
| Chân E6 | VDD — Core supply voltage |
| Chân E7 | PMA14 — PMP address bit 14 |
| Chân E8 | PMA15 — PMP address bit 15 |
| Chân E9 | PMA16 — PMP address bit 16 |
| Chân E10 | PMA17 — PMP address bit 17 |
| Chân E11 | VSS — Ground reference |
| Chân F1 | PMRD/PMWR — PMP read/write strobe |
| Chân F2 | PMCS1 — PMP chip select 1 |
| Chân F3 | PMCS2 — PMP chip select 2 |
| Chân F4 | AN0 — Analog input 0 / Port G bit 0 |
| Chân F5 | AN1 — Analog input 1 |
| Chân F6 | VDD — Core supply voltage |
| Chân F7 | AN2 — Analog input 2 |
| Chân F8 | AN3 — Analog input 3 |
| Chân F9 | AN4 — Analog input 4 |
| Chân F10 | AN5 — Analog input 5 |
| Chân F11 | VSS — Ground reference |
| Chân G1 | AN6 — Analog input 6 |
| Chân G2 | AN7 — Analog input 7 |
| Chân G3 | AN8 — Analog input 8 |
| Chân G4 | AN9 — Analog input 9 |
| Chân G5 | AN10 — Analog input 10 |
| Chân G6 | VDD — Core supply voltage |
| Chân G7 | AN11 — Analog input 11 |
| Chân G8 | AN12 — Analog input 12 |
| Chân G9 | AN13 — Analog input 13 |
| Chân G10 | AN14 — Analog input 14 |
| Chân G11 | VSS — Ground reference |
| Chân H1 | AN15 — Analog input 15 |
| Chân H2 | AN16 — Analog input 16 |
| Chân H3 | AN17 — Analog input 17 |
| Chân H4 | AN18 — Analog input 18 |
| Chân H5 | AN19 — Analog input 19 |
| Chân H6 | VDD — Core supply voltage |
| Chân H7 | AN20 — Analog input 20 |
| Chân H8 | AN21 — Analog input 21 |
| Chân H9 | AN22 — Analog input 22 |
| Chân H10 | AN23 — Analog input 23 |
| Chân H11 | VSS — Ground reference |
| Chân J1 | AN24 — Analog input 24 |
| Chân J2 | AN25 — Analog input 25 |
| Chân J3 | AN26 — Analog input 26 |
| Chân J4 | AN27 — Analog input 27 |
| Chân J5 | AN28 — Analog input 28 |
| Chân J6 | VDD — Core supply voltage |
| Chân J7 | AN29 — Analog input 29 |
| Chân J8 | AN30 — Analog input 30 |
| Chân J9 | AN31 — Analog input 31 |
| Chân J10 | AN32 — Analog input 32 |
| Chân J11 | VSS — Ground reference |
| Chân K1 | AN33 — Analog input 33 |
| Chân K2 | AN34 — Analog input 34 |
| Chân K3 | AN35 — Analog input 35 |
| Chân K4 | AN36 — Analog input 36 |
| Chân K5 | AN37 — Analog input 37 |
| Chân K6 | VDD — Core supply voltage |
| Chân K7 | AN38 — Analog input 38 |
| Chân K8 | AN39 — Analog input 39 |
| Chân K9 | AN40 — Analog input 40 |
| Chân K10 | AN41 — Analog input 41 |
| Chân K11 | VSS — Ground reference |
| Chân L1 | AN42 — Analog input 42 |
| Chân L2 | AN43 — Analog input 43 |
| Chân L3 | AN44 — Analog input 44 |
| Chân L4 | VREF+ — ADC voltage reference positive |
| Chân L5 | VREF- — ADC voltage reference negative |
| Chân L6 | AVDD — Analog supply voltage |
| Chân L7 | AVSS — Analog ground |
| Chân L8 | OSC1 — Primary oscillator input |
| Chân L9 | OSC2 — Primary oscillator output |
| Chân L10 | SOSC1 — Secondary oscillator input (32.768 kHz) |
| Chân L11 | SOSC2 — Secondary oscillator output |
| Chân M1 | TCK — JTAG test clock (PGEC1 alternate) |
| Chân M2 | TMS — JTAG test mode select |
| Chân M3 | TDI — JTAG test data input |
| Chân M4 | TDO — JTAG test data output |
| Chân M5 | MCLR — Master clear / reset (active low) |
| Chân M6 | VDD — Core supply voltage |
| Chân M7 | PGEC2 — ICSP clock 2 |
| Chân M8 | PGED2 — ICSP data 2 |
| Chân M9 | PGEC1 — ICSP clock 1 |
| Chân M10 | PGED1 — ICSP data 1 |
| Chân M11 | VSS — Ground reference |
| Chân N1 | D+ — USB D+ (HS USB 2.0) |
| Chân N2 | D- — USB D- (HS USB 2.0) |
| Chân N3 | VBUS — USB VBUS detect |
| Chân N4 | VUSB3V3 — USB 3.3V regulator input |
| Chân N5 | C1RX — CAN 1 receive |
| Chân N6 | VDD — Core supply voltage |
| Chân N7 | C1TX — CAN 1 transmit |
| Chân N8 | C2RX — CAN 2 receive |
| Chân N9 | C2TX — CAN 2 transmit |
| Chân N10 | RTCC1 — RTCC input 1 |
| Chân N11 | RTCC2 — RTCC input 2 |
| Chân P1 | DDRA0 — DDR2 address bit 0 / Port K bit 0 |
| Chân P2 | DDRA1 — DDR2 address bit 1 |
| Chân P3 | DDRA2 — DDR2 address bit 2 |
| Chân P4 | DDRA3 — DDR2 address bit 3 |
| Chân P5 | DDRA4 — DDR2 address bit 4 |
| Chân P6 | VDD — Core supply voltage |
| Chân P7 | DDRA5 — DDR2 address bit 5 |
| Chân P8 | DDRA6 — DDR2 address bit 6 |
| Chân P9 | DDRA7 — DDR2 address bit 7 |
| Chân P10 | DDRA8 — DDR2 address bit 8 |
| Chân P11 | VSS — Ground reference |
| Chân R1 | DDRA9 — DDR2 address bit 9 |
| Chân R2 | DDRA10 — DDR2 address bit 10 |
| Chân R3 | DDRA11 — DDR2 address bit 11 |
| Chân R4 | DDRA12 — DDR2 address bit 12 |
| Chân R5 | DDRA13 — DDR2 address bit 13 |
| Chân R6 | VDD — Core supply voltage |
| Chân R7 | DDRA14 — DDR2 address bit 14 |
| Chân R8 | DDRA15 — DDR2 address bit 15 |
| Chân R9 | DDRBA0 — DDR2 bank address 0 |
| Chân R10 | DDRBA1 — DDR2 bank address 1 |
| Chân R11 | VSS — Ground reference |
| Chân T1 | DDRBA2 — DDR2 bank address 2 |
| Chân T2 | DDRCS — DDR2 chip select |
| Chân T3 | DDRWE — DDR2 write enable |
| Chân T4 | DDRRAS — DDR2 row address strobe |
| Chân T5 | DDRCAS — DDR2 column address strobe |
| Chân T6 | VDD — Core supply voltage |
| Chân T7 | DDRCKE — DDR2 clock enable |
| Chân T8 | DDRCLK — DDR2 clock positive |
| Chân T9 | DDRCLK_N — DDR2 clock negative |
| Chân T10 | DDRODT — DDR2 on-die termination control |
| Chân T11 | VSS — Ground reference |
| Chân U1 | DDRA16 — DDR2 address bit 16 |
| Chân U2 | DDRA17 — DDR2 address bit 17 |
| Chân U3 | DDRD0 — DDR2 data bit 0 |
| Chân U4 | DDRD1 — DDR2 data bit 1 |
| Chân U5 | DDRD2 — DDR2 data bit 2 |
| Chân U6 | VDD — Core supply voltage |
| Chân U7 | DDRD3 — DDR2 data bit 3 |
| Chân U8 | DDRD4 — DDR2 data bit 4 |
| Chân U9 | DDRD5 — DDR2 data bit 5 |
| Chân U10 | DDRD6 — DDR2 data bit 6 |
| Chân U11 | VSS — Ground reference |
| Chân AA | DDRD7 — DDR2 data bit 7 |
| Chân AB | DDRD8 — DDR2 data bit 8 |
| Chân AC | DDRD9 — DDR2 data bit 9 |
| Chân AD | DDRD10 — DDR2 data bit 10 |
| Chân AE | DDRD11 — DDR2 data bit 11 |
| Chân AF | DDRD12 — DDR2 data bit 12 |
| Chân AG | DDRD13 — DDR2 data bit 13 |
| Chân AH | DDRD14 — DDR2 data bit 14 |
| Chân AJ | DDRD15 — DDR2 data bit 15 |
| Chân AK | DDRDM — DDR2 data mask |
| Chân AL | VSS — Ground reference |
Ứng dụng tiêu biểu
PIC32MZ1025DAB169-I/HF phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MZ1025DAB169-I/HF — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Integrated hardware graphics controller + DDR2 controller in a single MCU (vsPIC32MZ1024EFM144-I/PH)
- Hardware crypto engine with secure boot (vsPIC32MZ1025DAH169-I/HF)
- 169-ball LFBGA with 120 GPIO in a compact 11x11 mm package (vsPIC32MX family)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.