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Product Descriptions

SC93F8433/8432/8431 (hereinafter referred to as SC93F843X) is an enhanced ultra fast 1T 32-bit bus 8051 core industrial grade integrated touch button function Flash microcontroller. The instruction system is fully compatible with the traditional 8051 product series and is about twice as fast as other 1T 8051 core MCUs at the same operating frequency.

SC93F843X not only has 23 built-in high-sensitivity isolated capacitor touch circuits, but also integrates 16 KB Flash ROM、256B+1KB SRAM 、 128B EEPROM、 Up to 26 GP I/Os, 13 IOs with external interrupts, 3 16 bit timers, 12 channels of 12 bit high-precision ADC, 3 independent 8+2 bit PWM with switchable to 6 output pins, internal 1% high-precision high-frequency 12/6/2MHz oscillator and 4% precision low-frequency 128K oscillator, external crystal oscillator, and one independent UART, one UART/SPI/TWI three choice one communication port SSI, and other communication interface resources. To improve reliability and simplify customer circuits, SC93F843X also integrates four levels of optional voltage LVR, 2.4V reference ADC voltage, independent 2kHz low-power WDT and other high reliability circuits internally. SC93F843X has excellent anti-interference performance and excellent touch button performance, making it very suitable for touch buttons and main control applications in various usage scenarios, such as large and small smart appliances and smart homes, the Internet of Things, wireless communication, game consoles and other industrial control and consumer application fields.

Products Features

Working voltage: 2.4V~5.5V

Working temperature: -40~85 ℃

Kernel: 1T 32-bit bus 8051

Flash ROM: 16KB Flash ROM (MOVC disable addressing 0000H~00FFH)

IAP: can be coded with options of 0K, 1K, or 16K

EEPROM：128Byte， No need to erase, 100000 writes, with a storage life of over 10 years

SRAM: internal 256Byte, external 1KB

System clock (fSYS):

Built in high-frequency 24MHz oscillator (fHRC)

The system clock for IC operation can be set to:

? 12MHz @2.9~5.5V

? 6MHz / 2MHz @2.4~5.5V

Please contact Saiyuan Microelectronics engineer for 24MHz requirements

Frequency error: Across (4.0V~5.5V) and (-20~85 ℃) application environments, not exceeding ± 1 PERCENT

Built in crystal oscillator circuit, can be connected to an external 32k oscillator as a Base Timer clock source, can wake up STOP

Built in low-frequency 128kHz LRC oscillator:

Frequency error: Across (4.0V~5.5V) and (-20~85 ℃) application environments, the frequency error does not exceed ± 4 PERCENT

Built in 2kHz oscillator:

CLK Source for WDT

Low Voltage Reset (LVR):

The reset voltage has 4 levels to choose from: 4.3V, 3.7V, 2.9V, 2.3V

The default value is the value selected by the user for burning the Code Option

Flash burning and simulation:

2-wire JTAG programming and simulation interface

Interrupt (INT):

Timer0, Timer1, Timer2, INT0-2, ADC, PWM, UART, SSI, Base Timer, TK, a total of 12 interrupt sources

External interrupts have 3 interrupt vectors, totaling 13 interrupt ports, all of which can be set with rising edge, falling edge, and double edge interrupts

Two levels of interrupt priority can be set

Specifications

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