8-Bit OTP MCU
CSU8RP2113
MAIN PARAMETERS

8-bit RISC MCU

1K*14BIT OTP ROM

32Byte data RAM

Built-in 16 MHz oscillator with the precision of ±1%

Introduction

The CSU8RP2113 is a high performance 8-bit RISC MCU. It has 32 bytes SRAM, 1K×14 bits OTP ROM, high integration and low power consumption, is suitable for  home appliances control, toys, headphone cables and other products.

8 bit RISC Core

8 bit RISC Core, and high efficiency C compiler

1K x 14-bit OTP program memory

32-byte data memory (SRAM)

Only 42 single-word instructions

4-level PC storage stack

Low Power Consumption

Operating current of MCU

-- 0.6 mA@4 MHz, 3 V in normal mode

-- 8 uA@32 KHz, 3 V in normal mode

-- Less than 1μA in sleep mode

Special Features

Power-on reset (POR)

POR and hardware reset delay timer (49 ms)

Low voltage reset (LVR) supported inside

Timer 0 — 8-bit timing counter supporting programming and pre-frequency division

Timer 1 — 8-bit timer/counter with programable prescaler

Extended watchdog timer (32K WDT) — Programmable time range

Peripheral Features

5 bidirectional I/O ports, 1 input port

1 buzzer output

1 PWM output, PT1.1 or PT1.2 output

2 internal interrupts, 2 external interrupts

5 input ports with the wake-up function

Low-voltage detection (LVD) pin, 2.4 V and 3.6 V voltage provided internally for comparison

1 open drain output port (with external pull-up voltage not higher than VDD + 0.3 V)

Configurable level and voltage in the input logic

CMOS Technology

Operating voltage range — 2.2 V to 5.5 V

Operating temperature range — -40~85 ºC

Oscillator

Built-in 16 MHz oscillator with the precision of ±1%

Applications

Toys

Small home appliances

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