A complete elevator control system includes six items: the control system at the top floor of the elevator, the calling panel on each floor, the floor button panel inside the elevator, floor access control inside the elevator, information display panel inside the elevator and the elevator emergency communication system. 

System schematics

• Control system at the top floor of the elevator: A combination of elevator control and motor drive; adopts Nuvoton M487 microcontroller
• Calling panel on each floor: Adopts Nuvoton NUC131 microcontroller
• Floor button panel inside the elevator: Adopts Nuvoton NUC131 microcontroller
• Information display panel inside the elevator: Adopts Nuvoton N329 microcontroller
• Floor access system inside the elevator: Adopts Nuvoton M483 microcontroller
• Elevator emergency communication system (five-way communication): Adopts Nuvoton M481 microcontroller
• Elevator door anti-pinch system: Adopts Nuvoton M483 microcontroller

Nuvoton M481, M483, and M487 microcontrollers support:
A. 192 MHz system frequency, 512 KB Flash / 64 KB SRAM
B. 192 MHz 24-ch PWM control / Up to 11-ch UART
C. 12-bit, 16-ch 5 MSPS ADC
D. Full duplex I2S, 192 kHz/32-bit
E. 2x Quadrature encoder interface (QEI)
F. 2x CAN Bus 2.0B (M483/M487)
G. 10/100 Mbps Ethernet (M487)
H. 1.8V – 3.6V

Nuvoton NUC131 microcontroller supports:
A. 50 MHz system frequency, 64 KB Flash / 8 KB SRAM
B. 50 MHz 24-ch PWM control / Up to 6-ch UART
C. 12-bit, 8-ch 1 MSPS ADC
D. 1x CAN Bus 2.0B
E. 2.5V – 5.5V

Nuvoton N3292 microcontroller supports:
A. 300 MHz system frequency
B. Supports multiple video format decoder, including flash, MPEF4, H.264, and H.263 formats
C. Built-in DDR Memory up to 64MB
D. Built-in OpenVG hardware accelerator