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CSU8RP3215
CSU8RP3215 is an 8-bit CMOS single-chip RISC MCU with a 12-bit ADC and built-in 2K x 16-bit OTP program memory.
High-performance RISC CPU
-8-bit single-chip MCU
-Built-in 2K x 16-bit program memory OTP (supports 1K16 twice burn-in configuration)
-128-byte data memory (SRAM)
-Only 42 single-word instructions
-8-level PUSH and POP memory stack
-Built-in 2K x 16-bit program memory OTP (supports 1K16 twice burn-in configuration)
-128-byte data memory (SRAM)
-Only 42 single-word instructions
-8-level PUSH and POP memory stack
Low Power features
-Normal mode 0.85 mA@4 MHz, 3V
-Normal mode 8 uA@32 kHz, 3 V
-Sleep mode current less than 1 μA
-Normal mode 8 uA@32 kHz, 3 V
-Sleep mode current less than 1 μA
Features of dedicated microcontrollers
-Power-On Reset (POR)
-Power-on reset and hardware reset delay timer (98 ms)
-Internal low voltage reset (LVR)
-Programmable 8-bit prescaler timer 0
-Programmable 12-bit prescaler timer/counter 2
-Programmable 12-bit prescaler timer/counter 3
-Programmable 12-bit prescaler timer/counter 4
-Expandable watchdog timer (32K WDT)
-Power-on reset and hardware reset delay timer (98 ms)
-Internal low voltage reset (LVR)
-Programmable 8-bit prescaler timer 0
-Programmable 12-bit prescaler timer/counter 2
-Programmable 12-bit prescaler timer/counter 3
-Programmable 12-bit prescaler timer/counter 4
-Expandable watchdog timer (32K WDT)
Peripheral Features
-17-bit bi-directional I/O port, 1-bit input port
-3 buzzer outputs
-3 PWM outputs
-7 internal interrupts, 2 external interrupts
-9 inputs with wake-up function
-9 12-bit ADCs: internal 1.4 V/2.0 V/3.0 V/4.0 V, VDD, 6 reference voltage options for external inputs
-Internal reference voltage 1.4 V/2 V/3 V/4 V, accuracy ±1%
-Low voltage detection (LVD) pin, internal 2.4 V, 3.6 V voltage comparison, low voltage reset filtering time can be matched
-5 open-drain outputs PT1.1, PT5.1, PT5.0, PT3.5, PT3.6
-PT1.4, PT3.5, and PT3.6 output currents can be independently configured to IOH/IOL=54/57 mA@5 V
-PT1.4/PT1.5/PT1.6/PT1.7 output current can be independently configured as IOH/IOL=31/35 mA@5 V
-3 buzzer outputs
-3 PWM outputs
-7 internal interrupts, 2 external interrupts
-9 inputs with wake-up function
-9 12-bit ADCs: internal 1.4 V/2.0 V/3.0 V/4.0 V, VDD, 6 reference voltage options for external inputs
-Internal reference voltage 1.4 V/2 V/3 V/4 V, accuracy ±1%
-Low voltage detection (LVD) pin, internal 2.4 V, 3.6 V voltage comparison, low voltage reset filtering time can be matched
-5 open-drain outputs PT1.1, PT5.1, PT5.0, PT3.5, PT3.6
-PT1.4, PT3.5, and PT3.6 output currents can be independently configured to IOH/IOL=54/57 mA@5 V
-PT1.4/PT1.5/PT1.6/PT1.7 output current can be independently configured as IOH/IOL=31/35 mA@5 V
CMOS technology
-Voltage working range: 2.2 V~ 5.5 V@fcpu =1 MHz (instruction cycle)
-Operating temperature range: -40~85 ºC (industrial grade)
-Operating temperature range: -40~85 ºC (industrial grade)
Oscillator
-Internal band 16/8/4/2 MHz oscillator, accuracy ± 1%
-External 32768 Hz crystal oscillator (RTC) or 2 MHz~16 MHz crystal oscillator
-Or ERC 6.8M@5 V , 68 KΩ
-External 32768 Hz crystal oscillator (RTC) or 2 MHz~16 MHz crystal oscillator
-Or ERC 6.8M@5 V , 68 KΩ
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Technical Documentation
Product manual(1)
Technical Documentation(1)
Reference design(1)
Evaluation and development data(2)
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