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Product Descriptions

The SC92F7423/7422/7421/7420 (hereinafter referred to as the SC92F742X) is a kind of enhanced high-speed 1T 8051-based industrial Flash Microcontroller unit (MCU), in which the instruction system is completely compatible with standard 8051 product series.

The SC92F742X is integrated with 16K bytes Flash ROM, 256 bytes+256 bytes SRAM, 128 bytes EEPROM, up to 26 General-purpose I/Os (GPIO), 14 IO external interrupters, three 16-bit timers, 11- channel 12-bit high-precision ADC, 6-channel independent 8-bit PWM, IO ports driven hierarchical control (P0 and P2 ports) with 4-level drive capability, internal ±1 PERCENT high-precision 16/8/4/1.33MHz highfrequency oscillator and 4 PERCENT precision low-frequency 128 kHz oscillator, external crystal oscillator interface, two SSI communication interface and other resources. To improve the reliability and simplify the circuit design, the SC92F742X is also built in with 4-level optional LVR voltage, 2.4V ADC reference voltage and other high-reliability circuits.

The SC92F742X features excellent anti-interference performance, which make it possible to be widely applied to industrial control system, such as Internet of Things, intelligent home appliances, home automation, wireless communication, gaming peripherals and consumer applications.

Products Features

• Operating Voltage: 2.4V ~ 5.5V

• Operating Temperature: -40 ~ 85℃

• Package:

• SC92F7423 (QFN28 / SOP28 / TSSOP28)

• SC92F7422 (QFN20 / SOP20 / TSSOP20)

• SC92F7421 (SOP16)

• SC92F7420 (SOP8)

• Core: 1T 8051

• Flash ROM: 16K bytes Flash ROM (MOVC) prohibited addressing 0000H ~ 00FFH) can be rewritten for 10, 000 times

• IAP: Code option into 0K, 0.5K, 1K or 16K

• EEPROM: independent 128 bytes EEPROM can be rewritten for 100000 times. The data written-in has more than 10-year preservation life.

• SRAM: Internal 256 bytes + external 256 bytes

  
  

System Clock (fSYS):

? Built-in high-frequency 16MHz oscillator (fHRC)

? As the system clock source, fSYS can be set to 16MHz(2.9-5.5V), 8/4/1.33MHz (2.4-5.5V) by programmer selection.

? Frequency Error: Suitable for 2.9V ~ 5.5V and - 20 ~ 85℃ application environment, no more than ±1 PERCENT of frequency error

Built-in Low-Frequency Crystal Circuit

? Available to externally connect 32 KHz Oscillator, as the clock source of Base Timer ,it can wake up stop mode

Built-in Low-Frequency 128 kHz Oscillator (LRC):

? Clock source of Base Timer (BTM), which can wake up the SC92F742X from stop mode

? Clock source of WatchDog (WDT)

? Frequency Error: 2.9V ~ 5.5V and -20 ~ 85℃ application environment, no more than ±4 PERCENT of frequency error

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