SOC(Shenzhen SinOne Microelectronics) SC92F8543M28U

SC92F854X series is an enhanced ultra-high-speed 1T 8051-core industrial-grade Flash microcontroller, with an instruction set fully compatible with traditional 8051 product families. It integrates 32 Kbytes Flash ROM, 2 Kbytes SRAM, 128 bytes EEPROM, 31-channel high-sensitivity proximity capacitive touch sensing circuits, up to 46 GP I/Os, 16 IOs with external interrupt capability, 3 × 16-bit timers, 17-channel 12-bit high-precision ADC, 1 analog comparator, 8-channel 12-bit PWM, tiered I/O drive control (LED segment port), 1 × 16×16-bit hardware multiplier/divider, internal ±1% high-precision high-frequency 16/8/4/1.33 MHz oscillator and ±4% accuracy low-frequency 128K oscillator, external crystal oscillator support, UART and other communication interfaces. To enhance reliability and simplify customer circuit design, it also integrates 4-level selectable voltage LVR, 2.4V reference ADC voltage, low-power WDT, and other high-reliability circuits. It features excellent EMI immunity and is well-suited for IoT control, large and small smart home appliances, smart home systems, chargers, power supplies, RC aircraft models, walkie-talkies, wireless communications, gaming consoles, and other industrial control and consumer application fields.

• Operating voltage: 2.4V ~ 5.5V
• Operating temperature: -40 ~ 85°C
• Core: Ultra-high-speed 1T 8051
• Flash ROM: 32 Kbytes Flash ROM (MOVC addressing prohibited for 256 bytes at 0000H ~ 00FFH)
• IAP: Configurable via code option to 0K, 0.5K, 1K, or 32K
• EEPROM: 128 bytes, erase-free write, 100,000 write cycles, data retention over 10 years
• SRAM: Internal 256 bytes + External 1792 bytes + PWM&LCD RAM 80 bytes
• Built-in high-frequency 16MHz oscillator (fHRC) as system clock; programmable frequency options: 16MHz @2.9 ~ 5.5V, 8/4/1.33MHz @2.4 ~ 5.5V; frequency error not exceeding ±1% across (3.0V ~ 5.5V) and (-20 ~ 85°C) operating conditions
• Optional external 32K oscillator as Base Timer clock source, capable of waking from STOP
• Built-in low-frequency 128kHz LRC oscillator as clock source for Base Timer and WDT, capable of waking from STOP; frequency error not exceeding ±4% after register calibration across (4.0V ~ 5.5V) and (-20 ~ 85°C) operating conditions
• 4 selectable reset voltage levels: 4.3V, 3.7V, 2.9V, 2.3V; default value determined by user-programmed Code Option
• 2-wire JTAG programming and emulation interface
• 13 interrupt sources: Timer0, Timer1, Timer2, INT0 ~ 2, ADC, PWM, UART, SSI, Base Timer, TK, CMP; 3 external interrupt vectors with 16 interrupt ports total; all configurable for rising edge, falling edge, or dual-edge triggering; 2-level interrupt priority
• Up to 46 bidirectional independently controllable I/O ports with individually configurable pull-up resistors; P0 ~ P3L (P3.0/1/2/3) source drive capability with 4-level control; all I/O ports with high sink current drive capability (50mA)
• 11-bit WDT with selectable clock prescaler
• 3 standard 80C51 timers: Timer0, Timer1, and Timer2
• Up to 8-channel 12-bit PWM with shared period and individually adjustable duty cycle
• 1 dedicated UART port
• 1 SSI port selectable among UART/SPI/I²C
• Integrated 16×16-bit hardware multiplier/divider
• LCD/LED multiplexed registers and I/O ports; 8×24, 6×26, 5×27, or 4×28 segment LED driver with 4-level source drive capability; 8×24, 6×26, 5×27, or 4×28 segment LCD driver; SC92F8541 has no LCD/LED Driver
• 31-channel high-sensitivity TK circuit supporting 31-channel high-sensitivity contactless touch keys and derivative functions; flexible development library, low development complexity, automated debugging tools, and intelligent development support
• 17-channel 12-bit ±2LSB ADC; built-in 2.4V internal reference voltage; 2 selectable ADC reference voltages: VDD and internal 2.4V; one internal ADC channel for direct VDD measurement; ADC conversion complete interrupt configurable
• 1 analog comparator with 4 input channels and 1 reference voltage input; 16-level selectable comparison voltage (VDD divided)
• IDLE Mode, wake-up by any interrupt
• STOP Mode, wake-up by INT0 ~ 2 and Base Timer

• IoT control
• Small and large smart appliances and smart home
• Chargers
• Power supplies
• Drone/RC aircraft
• Walkie-talkies
• Wireless communications
• Game consoles