PIC32MZ2064DAG176-I/2J - 200MHz 32-Bit MCU, 2MB Flash, 176-LQFP | Microchip
Артикул: PIC32MZ2064DAG176-I/2J ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $39.19 | $39,19 |
| 10 | $35.27 | $352,70 |
| 100 | $31.35 | $3.135,00 |
| 250 | $28.5 | $7.125,00 |
| 500 | $26.1 | $13.050,00 |
PIC32MZ2064DAG176-I/2J Обзор
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 on one die. PIC32MZ DA devices sit in the high-performance tier of the PIC32 family, alongside the EF (Ethernet) and EC (connectivity) sub-families, and are designed for applications that require large memory footprints, real-time graphics, and connectivity stacks. The DA series specifically adds an integrated Graphics LCD controller and a DDR2 external memory interface that can address 32 MB or 128 MB of external DDR2, distinguishing it from EF/EC variants that lack a GPU.
Key specifications include 2 MB (2M x 8) of Flash supporting live update via dual-panel architecture, 640 KB of SRAM, an integrated 12-bit 18 MSPS 45-channel ADC, USB-HS, Ethernet MAC, SD card host, CAN, and a 2D Graphics Processing Unit (GPU) for accelerating GUI rendering. The wide memory map and Memory Management Unit (MMU) support embedded operating systems such as FreeRTOS, OpenRTOS, and Micrium OS, while microMIPS compressed mode reduces code size by up to 35% compared to standard MIPS32 instruction encoding.
Architecturally, the PIC32MZ2064DAG176-I/2J uses a superscalar microAptiv core with hardware multiply/divide and a tightly-coupled peripheral bridge. The dual-panel Flash subsystem allows a firmware image to run from one panel while the other is being reprogrammed, enabling field firmware updates without downtime. The integrated GPU and LCD controller support resolutions up to WVGA with hardware-accelerated rendering, offloading pixel-pushing from the CPU.
Typical applications include industrial HMI panels, automotive instrument clusters, medical patient monitors, point-of-sale terminals, smart home control panels, and graphical IoT gateways. The wide 1.8 V core / 3.3 V I/O supply and 176-pin LQFP footprint simplify PCB layout for designs that previously required a discrete MPU plus external SDRAM.
When designing with this part, ensure the DDR2 interface is impedance-controlled and length-matched per JEDEC specifications; place a 1.8 V LDO close to the core supply pins and bulk-decouple every power rail. Microchip recommends considering the pin-compatible PIC32MZ2064DAR176 variant for new designs where extended commercial availability is required.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes that go beyond what the manufacturer datasheet provides, helping engineers and procurement teams make informed decisions.
Аналоги без доработки для PIC32MZ2064DAG176-I/2J — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC32MZ2064DAG176-I/2J (тот же форм-фактор и посадочное место) — отличается по ADC, Package, External Memory Interface, USB, Graphics Controller.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC32MZ2064DAR176
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
PIC32MZ2064DAA176-I/2J
✅ Прямая замена✓ В наличии
$7.26 / шт.
Открыть даташит →PIC32MZ2064DAB176T-I/2J
✅ Прямая замена✓ В наличии
$9.45 / шт.
Открыть даташит →PIC32MZ2064DAG176T-I/2J
✅ Прямая замена✓ В наличии
$22.05 / шт.
Открыть даташит →PIC32MZ2064DAG176-I/2J Максимальные параметры и электрические характеристики
| Core Architecture | MIPS32 microAptiv |
| Core Frequency | 200 MHz |
| Core Performance | 330 DMIPS |
| Instruction Set Width | 32-bit |
| microMIPS Compressed Mode | Yes (up to 35% code size reduction) |
| Program Flash Memory | 2 MB (2M x 8), dual-panel for live update |
| SRAM | 640 KB |
| External Memory Interface | DDR2 controller, up to 32 MB or 128 MB externally addressable |
| ADC | 12-bit, 18 MSPS, 45 channels |
| Graphics Controller | Integrated 2D GPU + LCD controller |
| USB | USB-HS (High-Speed) |
| Ethernet | 10/100 Mbps MAC |
| Other Connectivity | SD card host, CAN, I2C, SPI, UART |
| Operating Voltage | 1.8 V core / 3.3 V I/O |
| Корпус | 176-LQFP (20x20 mm) with exposed thermal pad |
| Рабочая температура | -40C to +85C (Industrial grade, -I suffix) |
| Статус RoHS | Compliant |
| Memory Management Unit (MMU) | Yes |
| Тип монтажа | Surface Mount |
| Уровень MSL | 3 (168 hours) |
Конфигурация выводов PIC32MZ2064DAG176-I/2J
| Контакт 1 | RPB0/AN0/RB0 — Remappable peripheral I/O, analog input AN0, or GPIO RB0 |
| Контакт 2 | RPB1/AN1/RB1 — Remappable peripheral I/O, analog input AN1, or GPIO RB1 |
| Контакт 3 | RPB2/AN2/RB2 — Remappable peripheral I/O, analog input AN2, or GPIO RB2 |
| Контакт 4 | RPB3/AN3/RB3 — Remappable peripheral I/O, analog input AN3, or GPIO RB3 |
| Контакт 5 | VSS — Ground reference |
| Контакт 6 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 7 | RPB5/AN5/RB5 — Remappable peripheral I/O, analog input AN5, or GPIO RB5 |
| Контакт 8 | RPB6/AN6/RB6 — Remappable peripheral I/O, analog input AN6, or GPIO RB6 |
| Контакт 9 | RPB7/AN7/RB7 — Remappable peripheral I/O, analog input AN7, or GPIO RB7 |
| Контакт 10 | RPC0/RC0 — GPIO RC0, remappable peripheral |
| Контакт 11 | RPC1/RC1 — GPIO RC1, remappable peripheral |
| Контакт 12 | RPC2/RC2 — GPIO RC2, remappable peripheral |
| Контакт 13 | RPC3/RC3 — GPIO RC3, remappable peripheral |
| Контакт 14 | VSS — Ground reference |
| Контакт 15 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 16 | RPC4/RC4 — GPIO RC4, remappable peripheral |
| Контакт 17 | RPC5/RC5 — GPIO RC5, remappable peripheral |
| Контакт 18 | RPC6/RC6 — GPIO RC6, remappable peripheral |
| Контакт 19 | RPC7/RC7 — GPIO RC7, remappable peripheral |
| Контакт 20 | VSS — Ground reference |
| Контакт 21 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 22 | RPC8/RC8 — GPIO RC8, remappable peripheral |
| Контакт 23 | RPC9/RC9 — GPIO RC9, remappable peripheral |
| Контакт 24 | RPB9/RB9 — GPIO RB9, remappable peripheral |
| Контакт 25 | RPB10/RB10 — GPIO RB10, remappable peripheral |
| Контакт 26 | RPB11/RB11 — GPIO RB11, remappable peripheral |
| Контакт 27 | VSS — Ground reference |
| Контакт 28 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 29 | RPB12/RB12 — GPIO RB12, remappable peripheral |
| Контакт 30 | RPB13/RB13 — GPIO RB13, remappable peripheral |
| Контакт 31 | RPB14/RB14 — GPIO RB14, remappable peripheral |
| Контакт 32 | RPB15/RB15 — GPIO RB15, remappable peripheral |
| Контакт 33 | VSS — Ground reference |
| Контакт 34 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 35 | RPD0/RD0 — GPIO RD0, remappable peripheral |
| Контакт 36 | RPD1/RD1 — GPIO RD1, remappable peripheral |
| Контакт 37 | RPD2/RD2 — GPIO RD2, remappable peripheral |
| Контакт 38 | RPD3/RD3 — GPIO RD3, remappable peripheral |
| Контакт 39 | RPD4/RD4 — GPIO RD4, remappable peripheral |
| Контакт 40 | RPD5/RD5 — GPIO RD5, remappable peripheral |
| Контакт 41 | VSS — Ground reference |
| Контакт 42 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 43 | RPD6/RD6 — GPIO RD6, remappable peripheral |
| Контакт 44 | RPD7/RD7 — GPIO RD7, remappable peripheral |
| Контакт 45 | RPD8/RD8 — GPIO RD8, remappable peripheral |
| Контакт 46 | RPD9/RD9 — GPIO RD9, remappable peripheral |
| Контакт 47 | RPD10/RD10 — GPIO RD10, remappable peripheral |
| Контакт 48 | RPD11/RD11 — GPIO RD11, remappable peripheral |
| Контакт 49 | VSS — Ground reference |
| Контакт 50 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 51 | RPD12/RD12 — GPIO RD12, remappable peripheral |
| Контакт 52 | RPD13/RD13 — GPIO RD13, remappable peripheral |
| Контакт 53 | RPD14/RD14 — GPIO RD14, remappable peripheral |
| Контакт 54 | RPD15/RD15 — GPIO RD15, remappable peripheral |
| Контакт 55 | VSS — Ground reference |
| Контакт 56 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 57 | RPE0/RE0 — GPIO RE0, remappable peripheral |
| Контакт 58 | RPE1/RE1 — GPIO RE1, remappable peripheral |
| Контакт 59 | RPE2/RE2 — GPIO RE2, remappable peripheral |
| Контакт 60 | RPE3/RE3 — GPIO RE3, remappable peripheral |
| Контакт 61 | VSS — Ground reference |
| Контакт 62 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 63 | RPE4/RE4 — GPIO RE4, remappable peripheral |
| Контакт 64 | RPE5/RE5 — GPIO RE5, remappable peripheral |
| Контакт 65 | RPE6/RE6 — GPIO RE6, remappable peripheral |
| Контакт 66 | RPE7/RE7 — GPIO RE7, remappable peripheral |
| Контакт 67 | VSS — Ground reference |
| Контакт 68 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 69 | RPE8/RE8 — GPIO RE8, remappable peripheral |
| Контакт 70 | RPE9/RE9 — GPIO RE9, remappable peripheral |
| Контакт 71 | RPF0/RF0 — GPIO RF0, remappable peripheral |
| Контакт 72 | RPF1/RF1 — GPIO RF1, remappable peripheral |
| Контакт 73 | VSS — Ground reference |
| Контакт 74 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 75 | RPF2/RF2 — GPIO RF2, remappable peripheral |
| Контакт 76 | RPF3/RF3 — GPIO RF3, remappable peripheral |
| Контакт 77 | RPF4/RF4 — GPIO RF4, remappable peripheral |
| Контакт 78 | RPF5/RF5 — GPIO RF5, remappable peripheral |
| Контакт 79 | VSS — Ground reference |
| Контакт 80 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 81 | RPF6/RF6 — GPIO RF6, remappable peripheral |
| Контакт 82 | RPF7/RF7 — GPIO RF7, remappable peripheral |
| Контакт 83 | RPF8/RF8 — GPIO RF8, remappable peripheral |
| Контакт 84 | RPF9/RF9 — GPIO RF9, remappable peripheral |
| Контакт 85 | RPF10/RF10 — GPIO RF10, remappable peripheral |
| Контакт 86 | RPF11/RF11 — GPIO RF11, remappable peripheral |
| Контакт 87 | VSS — Ground reference |
| Контакт 88 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 89 | RPF12/RF12 — GPIO RF12, remappable peripheral |
| Контакт 90 | RPF13/RF13 — GPIO RF13, remappable peripheral |
| Контакт 91 | RPG0/RG0 — GPIO RG0, remappable peripheral |
| Контакт 92 | RPG1/RG1 — GPIO RG1, remappable peripheral |
| Контакт 93 | VSS — Ground reference |
| Контакт 94 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 95 | RPG2/RG2 — GPIO RG2, remappable peripheral |
| Контакт 96 | RPG3/RG3 — GPIO RG3, remappable peripheral |
| Контакт 97 | RPG4/RG4 — GPIO RG4, remappable peripheral |
| Контакт 98 | RPG5/RG5 — GPIO RG5, remappable peripheral |
| Контакт 99 | VSS — Ground reference |
| Контакт 100 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 101 | RPG6/RG6 — GPIO RG6, remappable peripheral |
| Контакт 102 | RPG7/RG7 — GPIO RG7, remappable peripheral |
| Контакт 103 | RPG8/RG8 — GPIO RG8, remappable peripheral |
| Контакт 104 | RPG9/RG9 — GPIO RG9, remappable peripheral |
| Контакт 105 | VSS — Ground reference |
| Контакт 106 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 107 | DDR2_DQ0 — DDR2 external memory data bit 0 |
| Контакт 108 | DDR2_DQ1 — DDR2 external memory data bit 1 |
| Контакт 109 | DDR2_DQ2 — DDR2 external memory data bit 2 |
| Контакт 110 | DDR2_DQ3 — DDR2 external memory data bit 3 |
| Контакт 111 | DDR2_DQ4 — DDR2 external memory data bit 4 |
| Контакт 112 | DDR2_DQ5 — DDR2 external memory data bit 5 |
| Контакт 113 | DDR2_DQ6 — DDR2 external memory data bit 6 |
| Контакт 114 | DDR2_DQ7 — DDR2 external memory data bit 7 |
| Контакт 115 | DDR2_DQ8 — DDR2 external memory data bit 8 |
| Контакт 116 | DDR2_DQ9 — DDR2 external memory data bit 9 |
| Контакт 117 | DDR2_DQ10 — DDR2 external memory data bit 10 |
| Контакт 118 | DDR2_DQ11 — DDR2 external memory data bit 11 |
| Контакт 119 | DDR2_DQ12 — DDR2 external memory data bit 12 |
| Контакт 120 | DDR2_DQ13 — DDR2 external memory data bit 13 |
| Контакт 121 | DDR2_DQ14 — DDR2 external memory data bit 14 |
| Контакт 122 | DDR2_DQ15 — DDR2 external memory data bit 15 |
| Контакт 123 | DDR2_DM — DDR2 data mask |
| Контакт 124 | DDR2_DQS — DDR2 data strobe |
| Контакт 125 | VSS — Ground reference |
| Контакт 126 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 127 | DDR2_A0 — DDR2 address bit 0 |
| Контакт 128 | DDR2_A1 — DDR2 address bit 1 |
| Контакт 129 | DDR2_A2 — DDR2 address bit 2 |
| Контакт 130 | DDR2_A3 — DDR2 address bit 3 |
| Контакт 131 | DDR2_A4 — DDR2 address bit 4 |
| Контакт 132 | DDR2_A5 — DDR2 address bit 5 |
| Контакт 133 | DDR2_A6 — DDR2 address bit 6 |
| Контакт 134 | DDR2_A7 — DDR2 address bit 7 |
| Контакт 135 | DDR2_A8 — DDR2 address bit 8 |
| Контакт 136 | DDR2_A9 — DDR2 address bit 9 |
| Контакт 137 | DDR2_A10 — DDR2 address bit 10 |
| Контакт 138 | DDR2_A11 — DDR2 address bit 11 |
| Контакт 139 | DDR2_A12 — DDR2 address bit 12 |
| Контакт 140 | DDR2_BA0 — DDR2 bank address bit 0 |
| Контакт 141 | DDR2_BA1 — DDR2 bank address bit 1 |
| Контакт 142 | DDR2_BA2 — DDR2 bank address bit 2 |
| Контакт 143 | DDR2_CLK_P — DDR2 differential clock positive |
| Контакт 144 | DDR2_CLK_N — DDR2 differential clock negative |
| Контакт 145 | DDR2_CKE — DDR2 clock enable |
| Контакт 146 | DDR2_CS — DDR2 chip select |
| Контакт 147 | DDR2_RAS — DDR2 row address strobe |
| Контакт 148 | DDR2_CAS — DDR2 column address strobe |
| Контакт 149 | DDR2_WE — DDR2 write enable |
| Контакт 150 | VSS — Ground reference |
| Контакт 151 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 152 | LCD_DATA0 — LCD parallel data bit 0 |
| Контакт 153 | LCD_DATA1 — LCD parallel data bit 1 |
| Контакт 154 | LCD_DATA2 — LCD parallel data bit 2 |
| Контакт 155 | LCD_DATA3 — LCD parallel data bit 3 |
| Контакт 156 | LCD_DATA4 — LCD parallel data bit 4 |
| Контакт 157 | LCD_DATA5 — LCD parallel data bit 5 |
| Контакт 158 | LCD_DATA6 — LCD parallel data bit 6 |
| Контакт 159 | LCD_DATA7 — LCD parallel data bit 7 |
| Контакт 160 | LCD_DATA8 — LCD parallel data bit 8 |
| Контакт 161 | LCD_DATA9 — LCD parallel data bit 9 |
| Контакт 162 | LCD_DATA10 — LCD parallel data bit 10 |
| Контакт 163 | LCD_DATA11 — LCD parallel data bit 11 |
| Контакт 164 | LCD_DATA12 — LCD parallel data bit 12 |
| Контакт 165 | LCD_DATA13 — LCD parallel data bit 13 |
| Контакт 166 | LCD_DATA14 — LCD parallel data bit 14 |
| Контакт 167 | LCD_DATA15 — LCD parallel data bit 15 |
| Контакт 168 | LCD_PCLK — LCD pixel clock |
| Контакт 169 | LCD_HSYNC — LCD horizontal sync |
| Контакт 170 | LCD_VSYNC — LCD vertical sync |
| Контакт 171 | LCD_DE — LCD data enable |
| Контакт 172 | LCD_DISP — LCD display enable backlight control |
| Контакт 173 | VDD — I/O supply voltage (3.3V nominal) |
| Контакт 174 | USB_DM — USB High-Speed data minus |
| Контакт 175 | USB_DP — USB High-Speed data plus |
| Контакт 176 | VDD_CORE — 1.8V core supply voltage |
Типичное применение
PIC32MZ2064DAG176-I/2J подходит для 6 применениеs: Industrial HMI Touch Panels, Automotive Instrument Clusters, Medical Patient Monitoring Displays, Point-of-Sale (POS) Terminals, Smart Home Control Panels, IoT Gateways with Local Display.
Industrial HMI Touch Panels
The PIC32MZ2064DAG176-I/2J's integrated 2D GPU, LCD controller, and DDR2 external memory interface make it ideal for industrial HMI panels with WVGA-resolution touchscreens. The 200 MHz microAptiv core delivers 330 DMIPS, sufficient to drive a graphical UI stack (Microchip's MPLAB Harmony) while simultaneously handling Modbus TCP, EtherNet/IP, and SD card logging. The 2 MB dual-panel Flash supports OTA firmware updates critical for factory automation equipment. Place a 32 MB or 128 MB DDR2 SDRAM externally to back large UI framebuffers; the integrated GPU offloads drawing primitives, freeing the CPU for real-time control loops.
Рекомендуется
Automotive Instrument Clusters
The PIC32MZ2064DAG176-I/2J is well-suited for two-wheel and entry-level automotive instrument clusters where it provides a CAN interface for vehicle bus messaging, a high-speed ADC for analog sensor reading, and the integrated GPU to render gauge animations on a color TFT. The 200 MHz core processes multiple CAN messages per frame at 1 Mbit/s while drawing tachometer and speedometer graphics. The 640 KB SRAM allows double-buffered display lists without external memory in simpler clusters. Industrial -40C to +85C temperature range covers cabin-mounted applications, though AEC-Q100 qualification is not present on this variant.
Рекомендуется
Medical Patient Monitoring Displays
The PIC32MZ2064DAG176-I/2J powers graphical patient monitors that display ECG, SpO2, and respiration waveforms on color LCDs. The 12-bit 18 MSPS 45-channel ADC acquires multiple sensor channels simultaneously, while the integrated GPU renders scrolling waveforms in real time. The DDR2 interface supports framebuffers for SVGA and WVGA resolutions, and the 2 MB Flash stores waveform libraries and UI assets. The MMU supports Micrium OS or FreeRTOS for deterministic medical-grade scheduling. The device is intended for non-life-support equipment such as fitness and wellness devices.
Рекомендуется
Point-of-Sale (POS) Terminals
The PIC32MZ2064DAG176-I/2J supports graphical POS terminals that combine a touchscreen UI, USB-HS for barcode scanners and receipt printers, Ethernet for payment gateway communication, and SD card storage for transaction logs. The 200 MHz core handles encrypted payment protocol stacks while the GPU renders touch-friendly button layouts. The 640 KB SRAM accommodates TLS session buffers, and the 2 MB dual-panel Flash enables secure boot and signed firmware updates required by PCI-PTS specifications. CAN support also enables integration with cash drawer peripherals.
Рекомендуется
Smart Home Control Panels
The PIC32MZ2064DAG176-I/2J drives wall-mounted smart home control panels with capacitive touchscreens, providing the integrated GPU and LCD controller for smooth UI animations, the Ethernet MAC for connection to home routers, and the SD card host for local media playback or log storage. The 2 MB Flash supports multi-protocol home automation stacks (Zigbee gateway software, Matter bridges, MQTT brokers), and the DDR2 interface supports large icon libraries. Wi-Fi is added via an external module on SPI/UART, keeping the BOM compact.
Рекомендуется
IoT Gateways with Local Display
The PIC32MZ2064DAG176-I/2J serves as a graphical IoT gateway that aggregates sensor data over Ethernet, CAN, or USB and presents status dashboards on a local LCD. The 200 MHz core runs lightweight MQTT brokers and edge analytics, while the 12-bit ADC reads analog sensor channels directly. The integrated GPU renders gauge and chart widgets on a 4.3- to 7-inch color TFT, removing the need for a separate HMI processor. The MMU enables FreeRTOS+TCP for managed networking stacks in industrial IoT deployments.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC32MZ2064DAG176-I/2J — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC32MZ2064DAR176 | PIC32MZ2064DAA176-I/2J | PIC32MZ2064DAB176T-I/2J |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 176-LQFP (20x20) | 176-LQFP (20x20) | 176-LQFP (20x20) | 176-LQFP (20x20) |
| Core Frequency | 200 MHz | 200 MHz | 200 MHz | 200 MHz |
| Flash Memory | 2 MB dual-panel | 2 MB dual-panel | 2 MB dual-panel | 2 MB dual-panel |
| SRAM | 640 KB | 640 KB | 640 KB | 640 KB |
| Integrated GPU | Yes (2D GPU + LCD controller) | Yes (2D GPU + LCD controller) | Yes (2D GPU + LCD controller) | No (software rendering only) |
| DDR2 Controller | Yes (up to 128 MB external) | Yes (up to 128 MB external) | Yes (up to 128 MB external) | Yes (up to 128 MB external) |
| Recommended for New Designs | Limited - Microchip suggests DAR176 | Yes (Microchip-recommended successor) | Yes | Yes |
Ключевые отличия
- Microchip-recommended successor available with same footprint (против PIC32MZ2064DAR176)
- Lower-cost same-package variant available without GPU (против PIC32MZ2064DAB176T-I/2J)
- A-suffix variant with simplified peripheral set (против PIC32MZ2064DAA176-I/2J)
Заметки по проектированию
The DDR2 interface requires controlled-impedance routing (typically 50 ohms single-ended, 100 ohms differential for clock/DQS pairs) and strict length matching per JEDEC DDR2 specifications. The exposed thermal pad on the 176-LQFP must be soldered to a copper pour connected to ground for thermal dissipation. Place a 1.8V LDO close to the VDD_CORE pin and bulk-decouple every VDD rail with at least 1uF ceramic + 100nF ceramic in parallel.
The PIC32MZ DA family uses a split-supply architecture: 1.8V for the core and 3.3V for I/O. Both rails must be sequenced with the 3.3V rail coming up first or simultaneously with the 1.8V core rail. Inrush current during Flash programming can exceed 100 mA, so the 3.3V regulator must be sized accordingly. Use a low-noise LDO for the core rail to avoid coupling switching noise into the ADC measurements.
Pin multiplexing on the 176-LQFP is extensive; failing to assign peripherals via the PPS (Peripheral Pin Select) module before code generation will result in non-functional peripherals. The dual-panel Flash requires the BOOT Flash row swap mechanism to be configured correctly for OTA updates - failing this will leave the device unable to recover from a corrupted panel. Always enable JTAG/SWD access during development in case of locked devices.
Информация о соответствии
RoHS compliant per Microchip product page. Industrial temperature grade -40C to +85C. AEC-Q100 not qualified - this part is not intended for automotive safety-critical applications. The -I suffix denotes industrial temperature grade.
