Product Descriptions

The SC92F7252/7251/7250 (hereinafter referred to as the SC92F725X) is a kind of enhanced highspeed 1T 8051-based industrial Flash Microcontroller unit (MCU), in which the instruction system is completely compatible with standard 8051 product series.

The SC92F725X is integrated with 4K bytes Flash ROM, 256 bytes SRAM, 128 bytes EEPROM, up to 18 General-purpose I/Os (GPIO), 6 external interrupters, three 16-bit timers, 9-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 highprecision 24/12/6/2MHz high-frequency oscillator and ±4 PERCENT precision low-frequency 128 kHz oscillator, UART communication interface and other resources. To improve the reliability and simplify the circuit design, the SC92F725X is also built in with 4-level optional LVR voltage, 2.4V ADC reference voltage and other high-reliability circuits.

The SC92F725X 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, Charger, power supply, model airplane, interphone, wireless communication, gaming peripherals and consumer applications.

Products Features

• Operating Voltage: 2.4V ~ 5.5V

• Operating Temperature: -40 ~ 85℃

• Package:

• SC92F7252Q20R（QFN20）

• SC92F7252X20U（TSSOP20）

• SC92F7252M20U（SOP20）

• SC92F7252N20U（NSOP20）

• SC92F7251M16U（SOP16）

• SC92F7250M08U（SOP8）

• Core: 1T 8051

• Flash ROM: 4K bytes Flash ROM (MOVC prohibited addressing 0000H ~ 00FFH) can be rewritten for 10,000 times

• IAP: Code option into 0K, 0.5K, 1K or 4K

• EEPROM: independent 128 bytes EEPROM can be rewritten for 100,000 times. The data written-in has more than 10-year preservation life.

• SRAM: Internal 256 bytes 

  
  

• System Clock (fSYS):

• ⚫ Built-in high-frequency 24MHz oscillator (fHRC)

• ⚫ As the system clock source, fSYS can be set to 24MHz (3.7-5.5V), 12/6/2MHz (2.4-5.5V) by programmer selection.

• ⚫ Frequency Error: Suitable for （4.0V ~ 5.5V ）and（ -20 ~ 85℃ ）application environment, no more than ±1 PERCENT of frequency error

  
  

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

• ⚫ Clock source of Base Timer (BTM), which can wake up the SC92F725X from stop mode

• ⚫ Clock source of Watch Dog Timer (WDT)

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

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• Low-voltage Reset (LVR):

• ⚫ 4-level LVR voltage options: 4.3V, 3.7V, 2.9V,2.3V

• ⚫ The default is the Code Option value selected by the user

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• Flash Programming interface:

• ⚫ 2-wire JTAG programming interface 

Specifications

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