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Product Descriptions

NY8A053B is an 8-bit microcontroller designed for I/O applications such as home appliances or measurement, using EPROM as memory. Adopting CMOS process while providing customers with significant advantages such as low cost, high performance, and high resistance to electromagnetic interference. The NY8A053B core is built on the RISC reduced instruction set architecture, making it easy to edit and control, with a total of 55 instructions. Except for a few instructions that require 2 timing sequences, most instructions can be completed in 1 timing sequence, allowing users to easily control different applications through programming. Therefore, it is very suitable for various complex applications with low to medium memory capacity.

In terms of I/O resources, NY8A053B has 12 flexible bidirectional I/O pins, each with a separate register to control as an input or output pin. And each I/O pin has additional program control functions such as pull-up or pull-down resistors or open drain outputs. In addition, for infrared remote control products, NY8A053B has a built-in high current output infrared carrier emission port with selectable frequency, and the current can reach 340mA when powered by 3V.

NY8A053B has two sets of timers, which can be used as general timing applications with system frequency or triggered by external signals to count. In addition, NY8A053B provides a set of 8-bit resolution PWM outputs or buzzer outputs, which can be used to drive motors LED、 Or buzzers, etc.

Products Features

Wide operating voltage: (instruction cycle of 4 CPU clocks, i.e. 4T mode)

2.0V~5.5V @ system frequency ≤ 8MHz.

2.2V~5.5V @ system frequency>8MHz.

Wide operating temperature: -40 ° C~85 ° C.

ESD exceeding ± 8KV.

When the noise filter function is turned on, it can tolerate EFT exceeding ± 4KV. (Operating voltage @ 5V)

1Kx14 bits EPROM.

64 bytes SRAM.

12 I/O pins (GPIO), PA [3:0], and PB [7:0] that can independently control the input and output directions.

PA [3:0] and PB [3:0] can choose to use built-in pull-down resistors for input.

PB [7:4] and PB [2:0] can choose between pull-up resistor or open drain output.

PB [3] can be selected as input or open drain output.

8 layers of program stack.

There are direct or indirect addressing modes for accessing data.

A set of 8-bit countdown timers (Timer0) includes programmable frequency pre division lines.

A set of 8-bit countdown timers (Timer1) that can be used for repeated loading or continuous countdown.

An 8-bit pulse width modulation output (PWM1).

One buzzer output (BZ1).

38/57KHz infrared carrier frequency is available for selection, and the polarity of the carrier can also be chosen based on the data.

High current output infrared carrier emission port, optional for general or 340mA current injection.

Built in power on reset circuit (POR).

Built in low voltage reset function (LVR).

Built in watchdog timer (WDT), which can be controlled on/off by the program firmware.

Specifications

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