Nyquest NY8A054E

NY8A054E is an 8-bit microcontroller using EPROM as memory, specifically designed for multi-channel PWM applications. Fabricated with CMOS process technology, it offers customers significant advantages including low cost, high performance, and excellent cost-effectiveness. The NY8A054E core is built on a RISC architecture that enables easy programming and control, featuring a total of 55 instructions. With the exception of a few instructions that require 2 clock cycles, most instructions complete in a single clock cycle, allowing users to easily implement various applications through program control. This makes it highly suitable for complex applications requiring low to medium memory capacity.

In terms of I/O resources, the NY8A054E provides 14 flexible bidirectional I/O pins, each individually controlled by dedicated registers to configure as input or output. Each I/O pin also supports additional programmable functions such as pull-up or pull-down resistors and Open-Drain output. Furthermore, for infrared remote control products, the NY8A054E incorporates a built-in infrared carrier transmit port with selectable frequency.

The NY8A054E features three timer modules that can be used for general timing applications using the system clock or for counting triggered by external signals. In addition, the NY8A054E provides 5 channels of 10-bit resolution PWM output and 1 buzzer output channel for driving motors, LEDs, buzzers, and more.

The NY8A054E employs a dual-clock mechanism, where both the high-speed oscillator and low-speed oscillator can independently select either an internal RC oscillator or an external crystal input. Under this dual-clock mechanism, the NY8A054E supports multiple operating modes — Normal mode, Slow mode, Standby mode, and Halt mode — to reduce power consumption and extend battery life. When using the internal RC high-speed oscillator, the low-speed oscillator can simultaneously utilize an external precision crystal for timekeeping, maintaining high-speed processing while enabling accurate real-time calculation.

In power-saving modes such as Standby mode and Halt mode, various events can trigger interrupts to wake the NY8A054E and return it to Normal mode or Slow mode.

• Lighting control
• Remote control car