The GD32A490ZIT7 is a mainstream model of GigaDevice's GD32A490 series, featuring LQFP144 package, 240MHz Cortex‑M4, 2MB Flash/768KB RAM, AEC‑Q100 Grade 2, targeting automotive BCM/smart cockpit applications.

Core Parameters (Understand at a Glance) Core: Arm Cortex‑M4 @ 240MHz, FPU+DSP, 355 DMIPS, Zero-Wait GigaDevice Memory: 2048KB Flash (2MB), 768KB SRAM GigaDevice Package: LQFP144, 114 GPIOs GigaDevice Voltage: 2.6V～3.6V (Automotive Wide Voltage) Temperature: ‑40℃～+105℃ (Grade 2) GigaDevice Certification: AEC‑Q100, IATF 16949 GigaDevice
II. On-Chip Peripherals (Vehicle-Grade Full Interface) Communication U(S)ART×8 (4×USART supports LIN) GigaDevice I2C×3, SPI×6, I2S×2 GigaDevice CAN 2.0B×2 (Vehicle Gateway) GigaDevice 100M Ethernet, USB 2.0 FS/HS OTG GigaDevice Analog 12-bit ADC×3, 2.6MSPS GigaDevice 12-bit DAC×2 (Motor Control) GigaDevice Multimedia & Control TFT-LCD Controller (TLI), Image Processing Accelerator (IPA) GigaDevice Timers: 8×16-bit General, 2×16-bit PWM, 2×32-bit, 2×Basic Timers III. Model Naming Breakdown GD32A490: Series (A = Automotive, 490 = Sub-series) Z: Package (Z = LQFP144) I: Temperature (I = -40℃~+105℃, Grade 2) T: Flash (T = 2MB) 7: Version/Process IV. Typical Applications Body Control (BCM): Window, Wiper, Door Lock, Seat Control GigaDevice Smart Cockpit: Dashboard, Central Display, Vehicle Gateway, Multimedia GigaDevice Vehicle Gateway: CAN/LIN/Eth/USB Multi-Protocol Forwarding GigaDevice V. Key Advantages High Performance: 240MHz+FPU, supports complex algorithms & GUI GigaDevice Abundant Resources: 2MB Flash/768KB RAM, 114 GPIO, full peripherals GigaDevice Automotive Reliability: Grade 2 temp, high ESD/EMC, suited for harsh environments GigaDevice Local Alternative: 40nm eFlash, replaces STM32H7/Renesas RH850, cost-effective GigaDevice VI. Series Comparison (Reference) GD32A490ZIT7: LQFP144, 2MB Flash, 768KB RAM, 114 GPIO GigaDevice GD32A490ZKT7: LQFP144, 3MB Flash, 768KB RAM, 114 GPIO GD32A490IIH7: BGA176, 2MB Flash, 768KB RAM, 140 GPIO