Products

8-bit SCM MCU
Built-in 1K×16-bit program memory OTP
128-byte data memory (SRAM), 104 bytes available
Only 41 single-word instructions
8-level memory stack
Instruction cycle 500 kHz

Oscillator

Built-in 1.966MHz oscillator, with the initial accuracy of ±1%, full temperature & full voltage ±2%.
Built-in 10kHz low-speed oscillator, with an accuracy of ±10% after calibration.

Peripheral features

Support up to 4 analog input, 2 multiplexed bi-directional I/O port, 1 digital output port, 2 digital input
One 8bit PWM output (PT1.4)
2 internal interrupts (TIMER1/ADC)
1 external interrupt (PT1.5)

Features of dedicated microcontroller

Power-on reset (POR)
Power-on reset delay timer (39ms)
8bit timer

CMOS technology

Voltage operating range - VDD 2.4V~3.6V

Low power consumption feature

MCU operating current
- Normal mode: 450uA@1.966MHz (operating voltage: 3.3V; instruction cycle: 500kHz)
- Current in sleep mode: less than 1.5μA

Encapsulation

Internal 8 pin, encapsulation SOP8

Stow

Product manual

Product manual(1)

CDS1181 User Manual V1.0

REV1.0

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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CDS1181

High-performance RISC CPU