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CDS1181
CDS1181 is an 8-bit RISC MCU with 24-bit ADC and built-in 1k×16-bit OTP program memory.
High-performance RISC CPU
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
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.
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)
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
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
- 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
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Product manual
Product manual(1)
Design and development
Tools/Software
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CSU-IDE V6.0.3
chipsea8-bit MCU/SOC integrated development environment
1. Integrate C compiler, assembler, linker, window
2. Support standard C language and assembly language development 3. Integrate the chip sample code