Products

8-bit OTP MCU
Built-in 8k×16Bits MTP program memory (program times 1,000), 128Bytes EEPROM (program times 10,000).
896-byte data memory (SRAM): To turn the page
43 instructions, 8-level memory stack
Instruction cycle: ICK/4, ICK/8, ICK/16, ICK/32

Oscillator

8MHz/10.5MHz, 4MHz/5.2MHz oscillator, with the accuracy of ±1% (room temperature 25℃, 3.3V)
3kHz WDT oscillator, with the accuracy of ±10%.
External 32768Hz crystal oscillator can be connected as RTC clock, supporting RTC function.

Features of dedicated microcontroller

Power-on reset (POR)
Power-on reset delay timer (typical value 39ms)
Low voltage reset (LVR, typical value deviation 50 mV)
Timer 0 - programmable prescale 8-bit timer
Timers/ counters 1, 2, 3 - programmable prescale 8-bit prescaler
Watch dog timer (3K WDT)

CMOS technology

Voltage operating range
- DVDD: 2.4V~3.6V;
- AVDD: 2.4V~3.6V

Low power consumption feature

MCU operating current – normal mode (operating voltage 3V, 27℃)
Digital part 0.46mA@1MHzMCU clock (peripherals deactivated)
Typical value of analog part 0.45mA@ normal mode
Analog part 0.75mA@ performance mode – typical current in sleep mode less than 0.8μA – typical current in sleep + WDT mode less than 2μA

Encapsulation

SOP16
SOP20
SOP24
LQFP48

Stow

Technical documentation

Product manual(1)

DS-CSU18M88 User Manual

Version: V3.5

Design and Development

Tools/Software

CSU-IDE V6.0.3

chipsea8-bit MCU/SOC integrated development environment 1. Integrate C compiler, assembler, linker, debugger 2. Support standard C language and assembly language development 3. Integrate the chip sample code

Manual download Design document download Software Download

Sample Application

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CSU18M88

High-performance RISC CPU