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CSU8RP1186
CSU8RP1186B is primarily used in electronic scales, precision measurement, and control systems.

The CSU8RP1186B chip is a high-performance single-chip MCU with an 8-bit RISC architecture,  with an integrated 24-bit high-precision ADC and an LCD module. The peripheral devices of the common measurement system only require 7 ordinary capacitors. This chip can save any system calibration data to OTP at an operating voltage of 2.4 V–3.6 V.


High-performance RISC CPU
8-bit single-chip MCU
Built-in 4K x 16-bit one-time programmable memory (OTP ROM)
256-byte data memory (SRAM)
Only 39 single-word instructions
8-level memory stack
Analog features
24-bit resolution
Internally integrated programmable gain amplifier
ADC output rate: 30 Hz–3.9 kHz
Internal charge pump
Internal voltage regulator for sensors and modulators
Features of the dedicated microcontroller
Power-on reset (POR)
Power-on reset delay timer (39 ms)
Internal low voltage reset (LVR)
Timer
—8-bit programmable pre-scaled 8-bit timer
Extended watchdog timer (WDT)
—Programmable time range
Peripheral features
14-bit bi-directional I/O port
1 buzzer output
4 × 12 LCD driver
Supports internal crystal or WDT crystal as the clock source and supports external 32.768 kHz crystal, timer: 0.5 s
Supports two different LCD drive waveforms
Supports different bias voltage generation methods
2 external interrupts
Low voltage detection (LVD) pin (internal voltage comparison of 2.4 V, 2.5 V, 2.6 V, 2.7 V, 2.8 V, and 3.6 V)
Built-in low voltage burn-in control circuit, self-burn-in at 2.5 V minimum
Technical Documentation
Design and development
Tools/Software
CSWrite V3.2.4
CSWriterUx V3.2.4 is the latest burning tool software of Core Sea Technology. Support core sea 8bit MCU, 32bit MCU.
CSU-IDE
Core sea 8-bit MCU/SOC integrated development environment 1. Integrated C compiler, assembler, linker, window 2. Support standard C language and assembly language development 3 Example code of integrated chips
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