Nyquest NY8A054E

The NY8A054E is an 8-bit microcontroller with EPROM memory, specifically designed for multi-channel PWM applications. Manufactured using a CMOS process, it offers customers significant advantages including low cost, high performance, and excellent price-to-performance ratio. 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 applications requiring medium-to-low memory capacity yet complex functionality.

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

The NY8A054E features three timer channels, which can be used for general timing applications driven by 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 adopts a dual-clock mechanism, where both high-speed and low-speed oscillators can independently select either an internal RC oscillator or an external crystal input. Under the 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 the internal RC high-speed oscillator is in use, 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, multiple events can trigger interrupts to wake the NY8A054E and return it to Normal mode or Slow mode for handling asynchronous events.

• Wide operating voltage: ≥ 2.0V ~ 5.5V @ system frequency ≤ 8MHz; ≥ 2.2V ~ 5.5V @ system frequency > 8MHz
• Wide operating temperature: -40°C ~ 85°C

• Lighting control
• Remote-controlled car