PIC32MZ2025DAH176-I/2J - 200MHz 32-bit MCU with 2MB Flash | Microchip
料号： PIC32MZ2025DAH176-I/2J ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $7.33 | $7.33 |
| 10 | $6.59 | $65.90 |
| 100 | $5.92 | $592.00 |
| 500 | $5.34 | $2,670.00 |
| 1,000 | $4.83 | $4,830.00 |
PIC32MZ2025DAH176-I/2J 概述
A 32-bit microcontroller (MCU) is a single-chip computer whose CPU datapath, registers, and ALU are 32 bits wide, enabling high code density, large linear address spaces, and single-instruction throughput closer to that of a microprocessor than legacy 8- or 16-bit MCUs. Within the broader taxonomy, this part sits in the PIC32 family (32-bit MCU) under Microcontrollers (Integrated Circuits), and the PIC32MZ DA sub-family adds an integrated 2D graphics engine and stacked DDR2 DRAM controller so that the device can drive TFT LCD panels without an external graphics ASIC or memory.
Key features include 200 MHz CPU core, 2 MB Flash, 256 KB SRAM, integrated DDR2 controller and Graphics Processor, 12-bit ADC at 18 MSPS, HS USB 2.0 OTG, dual CAN, 10/100 Ethernet MAC, up to 45 analog inputs, and 120 GPIO. The 176-LQFP exposed pad gives an industrial-grade thermal path for sustained graphics workloads.
Architecturally, the PIC32MZ DA uses a 5-stage MIPS32 microAptiv pipeline with single-cycle MAC, hardware multiply/divide, and a dedicated GPU block that offloads primitives and fills so the CPU is free to run application logic and the RTOS.
Typical applications include HMI/GUI with TFT LCD, industrial control panels, automotive infotainment, smart appliances, and medical patient-interface displays. Choose this device when you need MCU simplicity with MPU-class graphics and multimedia throughput.
For design, place at least one 0.1 µF decoupling cap per VDD pin, keep DDR2 traces length-matched per the DDR2 layout guide, and use the exposed pad with a continuous ground copper pour to meet thermal targets.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet.
直接替换替代料： PIC32MZ2025DAH176-I/2J ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC32MZ2025DAH176-I/2J （相同外形与封装尺寸） ——差异在于 Graphics Controller, CAN, USB, Package, External Memory Interface.
快速对比工具——选择替代料号进行并排对比：
PIC32MZ2025DAH176T-I/2J
✅ 直接替换✓ 有现货
$6.35 / 个
查看数据手册 →PIC32MZ2025DAG176-I/2J
✅ 直接替换✓ 有现货
$11.2 / 个
查看数据手册 →PIC32MZ2064DAH176-I/2J
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$11.3 / 个
查看数据手册 →PIC32MZ2064DAH176T-I/2J
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$15.51 / 个
查看数据手册 →PIC32MZ2025DAB176T-I/2J
✅ 直接替换✓ 有现货
$12.4 / 个
查看数据手册 →PIC32MZ2025DAA176T-I/2J
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$7.83 / 个
查看数据手册 →PIC32MZ2025DAH176-I/2J 最大额定值与电气特性
| Core Architecture | MIPS32 microAptiv (32-bit) |
| Core Series | PIC32MZ DA (Graphics Family) |
| Maximum CPU Frequency | 200 MHz |
| Program Flash Memory | 2 MB (2M x 8) |
| SRAM | 256 KB |
| External DRAM Interface | On-chip 32 MB or external 128 MB DDR2 |
| Graphics Controller | Integrated 2D GPU + Graphics Processor |
| ADC | 12-bit, 18 MSPS, up to 45 analog inputs |
| 电源电压 | 2.2 V to 3.6 V |
| 工作温度 | -40C to +85C (industrial) |
| GPIO Count | 120 I/O |
| USB | HS USB 2.0 OTG |
| CAN | 2x CAN |
| Ethernet | 10/100 MAC |
| Other Connectivity | I2C, I2S, SPI, UART |
| 封装 | 176-LQFP Exposed Pad (20x20 mm) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC32MZ2025DAH176-I/2J 引脚配置
| 引脚 1 | OSC1/RC13 — External oscillator input / GPIO RC13 |
| 引脚 2 | OSC2/RC15 — External oscillator output / GPIO RC15 |
| 引脚 3 | VDD — Supply voltage 2.2-3.6V |
| 引脚 4 | VSS — Ground reference |
| 引脚 5 | RA0 — GPIO PORTA bit 0 |
| 引脚 6 | RA1 — GPIO PORTA bit 1 |
| 引脚 7 | RA2 — GPIO PORTA bit 2 |
| 引脚 8 | RA3 — GPIO PORTA bit 3 |
| 引脚 9 | RA4 — GPIO PORTA bit 4 |
| 引脚 10 | RA5 — GPIO PORTA bit 5 |
| 引脚 11 | VDD — Supply voltage |
| 引脚 12 | VSS — Ground |
| 引脚 13 | RB0 — GPIO PORTB bit 0 / PGED1 |
| 引脚 14 | RB1 — GPIO PORTB bit 1 / PGEC1 |
| 引脚 15 | RB2 — GPIO PORTB bit 2 |
| 引脚 16 | RB3 — GPIO PORTB bit 3 |
| 引脚 17 | RB4 — GPIO PORTB bit 4 |
| 引脚 18 | RB5 — GPIO PORTB bit 5 |
| 引脚 19 | RB6 — GPIO PORTB bit 6 |
| 引脚 20 | RB7 — GPIO PORTB bit 7 |
| 引脚 21 | VDD — Supply voltage |
| 引脚 22 | VSS — Ground |
| 引脚 23 | RC0 — GPIO PORTC bit 0 |
| 引脚 24 | RC1 — GPIO PORTC bit 1 |
| 引脚 25 | RC2 — GPIO PORTC bit 2 |
| 引脚 26 | RC3 — GPIO PORTC bit 3 |
| 引脚 27 | RC4 — GPIO PORTC bit 4 |
| 引脚 28 | RC5 — GPIO PORTC bit 5 |
| 引脚 29 | RC6 — GPIO PORTC bit 6 |
| 引脚 30 | RC7 — GPIO PORTC bit 7 |
| 引脚 31 | VDD — Supply voltage |
| 引脚 32 | VSS — Ground |
| 引脚 33 | RD0 — GPIO PORTD bit 0 |
| 引脚 34 | RD1 — GPIO PORTD bit 1 |
| 引脚 35 | RD2 — GPIO PORTD bit 2 |
| 引脚 36 | RD3 — GPIO PORTD bit 3 |
| 引脚 37 | RD4 — GPIO PORTD bit 4 |
| 引脚 38 | RD5 — GPIO PORTD bit 5 |
| 引脚 39 | RD6 — GPIO PORTD bit 6 |
| 引脚 40 | RD7 — GPIO PORTD bit 7 |
| 引脚 41 | VDD — Supply voltage |
| 引脚 42 | VSS — Ground |
| 引脚 43 | RE0 — GPIO PORTE bit 0 |
| 引脚 44 | RE1 — GPIO PORTE bit 1 |
| 引脚 45 | RE2 — GPIO PORTE bit 2 |
| 引脚 46 | RE3 — GPIO PORTE bit 3 |
| 引脚 47 | RE4 — GPIO PORTE bit 4 |
| 引脚 48 | RE5 — GPIO PORTE bit 5 |
| 引脚 49 | RE6 — GPIO PORTE bit 6 |
| 引脚 50 | RE7 — GPIO PORTE bit 7 |
| 引脚 51 | VDD — Supply voltage |
| 引脚 52 | VSS — Ground |
| 引脚 53 | RF0 — GPIO PORTF bit 0 |
| 引脚 54 | RF1 — GPIO PORTF bit 1 |
| 引脚 55 | RF2 — GPIO PORTF bit 2 |
| 引脚 56 | RF3 — GPIO PORTF bit 3 |
| 引脚 57 | RF4 — GPIO PORTF bit 4 |
| 引脚 58 | RF5 — GPIO PORTF bit 5 |
| 引脚 59 | RF6 — GPIO PORTF bit 6 |
| 引脚 60 | RF7 — GPIO PORTF bit 7 |
| 引脚 61 | VDD — Supply voltage |
| 引脚 62 | VSS — Ground |
| 引脚 63 | RG0 — GPIO PORTG bit 0 |
| 引脚 64 | RG1 — GPIO PORTG bit 1 |
| 引脚 65 | RG2 — GPIO PORTG bit 2 |
| 引脚 66 | RG3 — GPIO PORTG bit 3 |
| 引脚 67 | RG6 — GPIO PORTG bit 6 |
| 引脚 68 | RG7 — GPIO PORTG bit 7 |
| 引脚 69 | RG8 — GPIO PORTG bit 8 |
| 引脚 70 | RG9 — GPIO PORTG bit 9 |
| 引脚 71 | VDD — Supply voltage |
| 引脚 72 | VSS — Ground |
| 引脚 73 | RH0 — GPIO PORTH bit 0 |
| 引脚 74 | RH1 — GPIO PORTH bit 1 |
| 引脚 75 | RH2 — GPIO PORTH bit 2 |
| 引脚 76 | RH3 — GPIO PORTH bit 3 |
| 引脚 77 | RH4 — GPIO PORTH bit 4 |
| 引脚 78 | RH5 — GPIO PORTH bit 5 |
| 引脚 79 | RH6 — GPIO PORTH bit 6 |
| 引脚 80 | RH7 — GPIO PORTH bit 7 |
| 引脚 81 | VDD — Supply voltage |
| 引脚 82 | VSS — Ground |
| 引脚 83 | RJ0 — GPIO PORTJ bit 0 |
| 引脚 84 | RJ1 — GPIO PORTJ bit 1 |
| 引脚 85 | RJ2 — GPIO PORTJ bit 2 |
| 引脚 86 | RJ3 — GPIO PORTJ bit 3 |
| 引脚 87 | RJ4 — GPIO PORTJ bit 4 |
| 引脚 88 | RJ5 — GPIO PORTJ bit 5 |
| 引脚 89 | RJ6 — GPIO PORTJ bit 6 |
| 引脚 90 | RJ7 — GPIO PORTJ bit 7 |
| 引脚 91 | VDD — Supply voltage |
| 引脚 92 | VSS — Ground |
| 引脚 93 | RK0 — GPIO PORTK bit 0 |
| 引脚 94 | RK1 — GPIO PORTK bit 1 |
| 引脚 95 | RK2 — GPIO PORTK bit 2 |
| 引脚 96 | RK3 — GPIO PORTK bit 3 |
| 引脚 97 | RK4 — GPIO PORTK bit 4 |
| 引脚 98 | RK5 — GPIO PORTK bit 5 |
| 引脚 99 | RK6 — GPIO PORTK bit 6 |
| 引脚 100 | RK7 — GPIO PORTK bit 7 |
| 引脚 101 | VDD — Supply voltage |
| 引脚 102 | VSS — Ground |
| 引脚 103 | RL0 — GPIO PORTL bit 0 |
| 引脚 104 | RL1 — GPIO PORTL bit 1 |
| 引脚 105 | RL2 — GPIO PORTL bit 2 |
| 引脚 106 | RL3 — GPIO PORTL bit 3 |
| 引脚 107 | RL4 — GPIO PORTL bit 4 |
| 引脚 108 | RL5 — GPIO PORTL bit 5 |
| 引脚 109 | RL6 — GPIO PORTL bit 6 |
| 引脚 110 | RL7 — GPIO PORTL bit 7 |
| 引脚 111 | VDD — Supply voltage |
| 引脚 112 | VSS — Ground |
| 引脚 113 | DAC1/A0 — DAC output or analog input |
| 引脚 114 | A1 — Analog input 1 |
| 引脚 115 | A2 — Analog input 2 |
| 引脚 116 | A3 — Analog input 3 |
| 引脚 117 | A4 — Analog input 4 |
| 引脚 118 | A5 — Analog input 5 |
| 引脚 119 | A6 — Analog input 6 |
| 引脚 120 | A7 — Analog input 7 |
| 引脚 121 | VDD — Supply voltage |
| 引脚 122 | VSS — Ground |
| 引脚 123 | A8 — Analog input 8 |
| 引脚 124 | A9 — Analog input 9 |
| 引脚 125 | A10 — Analog input 10 |
| 引脚 126 | A11 — Analog input 11 |
| 引脚 127 | A12 — Analog input 12 |
| 引脚 128 | A13 — Analog input 13 |
| 引脚 129 | A14 — Analog input 14 |
| 引脚 130 | A15 — Analog input 15 |
| 引脚 131 | VDD — Supply voltage |
| 引脚 132 | VSS — Ground |
| 引脚 133 | DDR_DQ0 — DDR2 data bit 0 (or stacked DRAM IO) |
| 引脚 134 | DDR_DQ1 — DDR2 data bit 1 (or stacked DRAM IO) |
| 引脚 135 | DDR_DQ2 — DDR2 data bit 2 (or stacked DRAM IO) |
| 引脚 136 | DDR_DQ3 — DDR2 data bit 3 (or stacked DRAM IO) |
| 引脚 137 | DDR_DQ4 — DDR2 data bit 4 (or stacked DRAM IO) |
| 引脚 138 | DDR_DQ5 — DDR2 data bit 5 (or stacked DRAM IO) |
| 引脚 139 | DDR_DQ6 — DDR2 data bit 6 (or stacked DRAM IO) |
| 引脚 140 | DDR_DQ7 — DDR2 data bit 7 (or stacked DRAM IO) |
| 引脚 141 | VDD — Supply voltage |
| 引脚 142 | VSS — Ground |
| 引脚 143 | DDR_DQS — DDR2 data strobe (or stacked DRAM IO) |
| 引脚 144 | DDR_CK — DDR2 clock (or stacked DRAM IO) |
| 引脚 145 | DDR_CKE — DDR2 clock enable (or stacked DRAM IO) |
| 引脚 146 | DDR_CS — DDR2 chip select (or stacked DRAM IO) |
| 引脚 147 | DDR_RAS — DDR2 row address strobe (or stacked DRAM IO) |
| 引脚 148 | DDR_CAS — DDR2 column address strobe (or stacked DRAM IO) |
| 引脚 149 | DDR_WE — DDR2 write enable (or stacked DRAM IO) |
| 引脚 150 | DDR_BA0 — DDR2 bank address 0 (or stacked DRAM IO) |
| 引脚 151 | VDD — Supply voltage |
| 引脚 152 | VSS — Ground |
| 引脚 153 | DDR_A0 — DDR2 address bit 0 (or stacked DRAM IO) |
| 引脚 154 | DDR_A1 — DDR2 address bit 1 (or stacked DRAM IO) |
| 引脚 155 | DDR_A2 — DDR2 address bit 2 (or stacked DRAM IO) |
| 引脚 156 | DDR_A3 — DDR2 address bit 3 (or stacked DRAM IO) |
| 引脚 157 | DDR_A4 — DDR2 address bit 4 (or stacked DRAM IO) |
| 引脚 158 | DDR_A5 — DDR2 address bit 5 (or stacked DRAM IO) |
| 引脚 159 | DDR_A6 — DDR2 address bit 6 (or stacked DRAM IO) |
| 引脚 160 | DDR_A7 — DDR2 address bit 7 (or stacked DRAM IO) |
| 引脚 161 | VDD — Supply voltage |
| 引脚 162 | VSS — Ground |
| 引脚 163 | DDR_A8 — DDR2 address bit 8 (or stacked DRAM IO) |
| 引脚 164 | DDR_A9 — DDR2 address bit 9 (or stacked DRAM IO) |
| 引脚 165 | DDR_A10 — DDR2 address bit 10 (or stacked DRAM IO) |
| 引脚 166 | DDR_A11 — DDR2 address bit 11 (or stacked DRAM IO) |
| 引脚 167 | DDR_A12 — DDR2 address bit 12 (or stacked DRAM IO) |
| 引脚 168 | USB_DP — HS USB D+ (or stacked DRAM IO) |
| 引脚 169 | USB_DM — HS USB D- (or stacked DRAM IO) |
| 引脚 170 | VBUS — HS USB VBUS detect (or stacked DRAM IO) |
| 引脚 171 | VDD_USB — HS USB transceiver supply (or stacked DRAM IO) |
| 引脚 172 | VSS — Ground |
| 引脚 173 | TCK — JTAG test clock |
| 引脚 174 | TMS — JTAG test mode select |
| 引脚 175 | TDI — JTAG test data in |
| 引脚 176 | TDO — JTAG test data out |
典型应用
PIC32MZ2025DAH176-I/2J 适用于 6 应用s: Industrial HMI with TFT LCD, Automotive Infotainment Sub-Display, Smart Appliance Control Panel, Medical Patient-Interface Display, Building Automation Touch Panels, Point-of-Sale Terminal with Color Display.
Industrial HMI with TFT LCD
The PIC32MZ2025DAH176-I/2J is purpose-built for industrial HMI panels driving TFT LCDs up to WVGA resolution. Its integrated 2D Graphics Processor offloads primitives, line draws, blits, and color fills from the CPU, allowing the MIPS32 microAptiv core to run the application logic and RTOS concurrently. The on-chip 32 MB stacked DDR2 provides ample frame buffer for multi-layer GUIs without an external SDRAM chip, simplifying PCB layout. With 120 GPIO, multiple SPI ports for display and touch controllers, and 12-bit 18 MSPS ADC for sensor input, this MCU replaces an MPU+external-GPU+external-SDRAM stack with a single chip. Compared to adding a discrete GPU ASIC, integrating the graphics block reduces BOM cost, PCB area, and firmware complexity while still delivering smooth 60 fps UI updates.
推荐
Automotive Infotainment Sub-Display
The PIC32MZ2025DAH176-I/2J suits automotive infotainment sub-displays such as HVAC panels, rear-seat entertainment touch screens, and instrument-cluster secondary zones. Its 200 MHz MIPS32 core runs real-time UI code while the integrated GPU renders gauge graphics, and HS USB 2.0 OTG provides connectivity to the head unit. Dual CAN interfaces integrate with vehicle CAN-FD networks, while 12-bit ADC inputs handle analog sensor signals. The -40C to +85C industrial temperature range covers cabin electronics. Compared to discrete MPU designs, integrating DDR2 controller and GPU cuts PCB area, BOM count, and EMI complexity. The 176-LQFP exposed pad simplifies thermal management in enclosed automotive enclosures.
推荐
Smart Appliance Control Panel
The PIC32MZ2025DAH176-I/2J powers the touch-screen control panel on premium smart appliances: washing machines, ovens, refrigerators, and robotic vacuums. The integrated graphics engine drives the user-facing TFT LCD at 60 fps with animated icons and progress indicators, while the MIPS32 core handles the appliance state machine, motor control loop, and Wi-Fi/BLE co-processor management via UART/SPI. The 120 GPIO count allows direct interface with capacitive touch controllers, segment drivers, and discrete indicators without external I/O expanders. Its 2 MB Flash supports full HMI firmware stacks including asset libraries, multilingual resources, and OTA update slots. Compared to discrete MCU plus external LCD controller, the integrated solution reduces BOM and accelerates time to market.
推荐
Medical Patient-Interface Display
The PIC32MZ2025DAH176-I/2J is appropriate for medical patient-interface displays such as infusion pump screens, patient monitor secondary displays, and diagnostic device control panels. Its 12-bit 18 MSPS ADC with up to 45 analog inputs provides precise digitization of sensor signals, while the integrated GPU renders smooth trend graphs and waveform visualizations. The MIPS32 core handles the safety-critical logic while the GPU refreshes the display in parallel. With HS USB and Ethernet, the device connects to hospital networks and bedside monitoring systems. The 2 MB Flash supports full IEC 62304-compliant firmware with bootloader and self-test routines. Compared to discrete MPU designs, the integrated graphics and DDR2 controller reduce PCB complexity and improve reliability.
推荐
Building Automation Touch Panels
The PIC32MZ2025DAH176-I/2J integrates the requirements of building automation touch panels: a graphical UI for floor plans, lighting scenes, and HVAC control; Ethernet connectivity for BACnet/Modbus-TCP networks; and CAN/RS-485 for fieldbus integration. The integrated GPU renders floor plans and lighting animations smoothly, while the MIPS32 core handles the building automation protocol stack and logic. With 2 MB Flash, the device stores full floor plans, multilingual strings, and OTA update slots. Compared to running a Linux MPU, the PIC32MZ2025DAH176-I/2J boots in under 100 ms, supports deterministic real-time response, and avoids the security maintenance burden of an OS.
推荐
Point-of-Sale Terminal with Color Display
The PIC32MZ2025DAH176-I/2J powers compact point-of-sale terminals that need a color TFT for menu display, signature capture, and QR code rendering. The integrated 2D GPU accelerates QR/barcode generation and screen transitions, while the MIPS32 core handles payment processing, encryption, and USB peripherals. HS USB 2.0 OTG connects to fiscal printers and external barcode scanners; Ethernet provides cloud payment gateway connectivity. With 256 KB SRAM, transaction buffers and cryptographic state fit comfortably. Compared to MPU-based POS designs, the integrated solution reduces BOM cost and enables fanless, compact enclosures with longer MTBF.
推荐
推荐产品汇总
工程参考数据： PIC32MZ2025DAH176-I/2J ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC32MZ2025DAH176T-I/2J | PIC32MZ2025DAG176-I/2J | PIC32MZ2064DAH176-I/2J | PIC32MZ2064DAH176T-I/2J | PIC32MZ2025DAB176T-I/2J | PIC32MZ2025DAA176T-I/2J |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 176-LQFP (20x20) Exposed Pad | 176-LQFP (20x20) - same | 176-LQFP (20x20) - same | 176-LQFP (20x20) - same | 176-LQFP (20x20) - same | 176-LQFP (20x20) - same | 176-LQFP (20x20) - same |
| Core | MIPS32 microAptiv 200 MHz | MIPS32 microAptiv 200 MHz | MIPS32 microAptiv 200 MHz | MIPS32 microAptiv 200 MHz | MIPS32 microAptiv 200 MHz | MIPS32 microAptiv 200 MHz | MIPS32 microAptiv 200 MHz |
| Flash | 2 MB | 2 MB | 2 MB | 2 MB | 2 MB | 2 MB | 2 MB |
| SRAM | 256 KB | 256 KB | 256 KB | 640 KB | 640 KB | 256 KB | 256 KB |
| Stacked DRAM | 32 MB on-chip (H suffix) | 32 MB on-chip (H) | Smaller G designator DRAM | 32 MB on-chip (H) | 32 MB on-chip (H) | Different B designator DRAM | Different A designator DRAM |
| GPU | Yes (integrated 2D) | Yes (integrated 2D) | Yes (integrated 2D) | Yes (integrated 2D) | Yes (integrated 2D) | Yes (integrated 2D) | Yes (integrated 2D) |
| Packaging | Tray | Tape & Reel | Tray | Tray | Tape & Reel | Tape & Reel | Tape & Reel |
关键差异点
- Highest on-chip stacked DRAM density in family （对比 PIC32MZ2025DAG176-I/2J)
- Identical footprint with 2.5x SRAM upgrade available （对比 PIC32MZ2064DAH176-I/2J)
- Tape-and-reel variant for high-volume SMT （对比 PIC32MZ2025DAH176T-I/2J)
设计说明
Estimated: the PIC32MZ2025DAH176-I/2J can draw 100-300 mA at 200 MHz with full DDR2 and GPU utilization. Place one 0.1 µF + one 4.7 µF ceramic capacitor within 5 mm of every VDD/VSS pin pair, and use a 4-layer PCB with a dedicated ground plane. The on-chip DDR2 LDO requires its own 1 µF bypass cap at the VDDR_CAP pin per Microchip's DDR2 routing guide.
DDR2 signals (DQ, DQS, CK, CKE, CS, RAS, CAS, WE, BA, A) require length-matched routing: data group ±25 mils, address/control ±50 mils, with proper series termination. Use fly-by topology if external DDR2 is fitted; the on-chip stacked DRAM routes internally and does not require external length matching. Maintain 50 ohm controlled impedance on all DDR2 nets.
Estimated: at full CPU+GPU load, the die dissipates ~0.8-1.2 W. The 176-LQFP exposed pad must be soldered to a copper pour of at least 1 square inch connected to ground. Without the exposed pad, junction temperature may exceed 125 C at industrial ambient. Use thermal vias under the pad to inner ground planes.
Do not skip configuring the FBS bits to enable the I/O port multiplexing needed for HS USB or Ethernet - leaving pins in default analog state will cause peripherals to fail. Also, the JTAG pins TCK/TMS/TDI/TDO must be left disconnected or pulled appropriately in production to avoid debug intrusion.
合规信息
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - select AEC-Q100 qualified PIC32 variants for automotive safety-critical applications. Conflict minerals declaration per Microchip corporate policy.
