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CSU18MB86
CSU18MB86 is primarily used in electronic scales, precision measurement, and control systems.
The CSU18MB86 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. It also has an integrated 8K × 16-bit MTP program memory.
High-performance RISC CPU
8-bit single-chip MCU
Built-in 8K x 16-bit MTP programmable memory (no less than 1,000 times burn-in)
488-byte data memory (SRAM)
Only 43 single-word instructions
8-level memory stack
Built-in 8K x 16-bit MTP programmable memory (no less than 1,000 times burn-in)
488-byte data memory (SRAM)
Only 43 single-word instructions
8-level memory stack
Analog features
24-bit resolution
Internally integrated programmable gain amplifier
ADC output rates: 30 Hz/60 Hz/120 Hz/240 Hz/480 Hz/960 Hz/1920 Hz/3480 Hz
Internal charge pump
Internal voltage regulator for sensors and modulators
Internally integrated programmable gain amplifier
ADC output rates: 30 Hz/60 Hz/120 Hz/240 Hz/480 Hz/960 Hz/1920 Hz/3480 Hz
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 0
—Programmable pre-scaled 8-bit timer
Timer/counter 1
—Programmable pre-scaled 8-bit frequency divider
Watchdog timer (3K WDT)
Power-on reset delay timer (39 ms)
Internal low voltage reset (LVR)
Timer 0
—Programmable pre-scaled 8-bit timer
Timer/counter 1
—Programmable pre-scaled 8-bit frequency divider
Watchdog timer (3K WDT)
Peripheral features
15-bit bi-directional I/O port
Built-in 10-bit SAR ADC
8 × 7 LED drivers
Constant-current driver LED
2 external interrupts
RTC function to display year, month, day, week, hour, minute, and second
UART baud rate: 19,200/9,600
Built-in 10-bit SAR ADC
8 × 7 LED drivers
Constant-current driver LED
2 external interrupts
RTC function to display year, month, day, week, hour, minute, and second
UART baud rate: 19,200/9,600
Technical Documentation
Product manual(1)
Design and development
Tools/Software
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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.
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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