CMS80F731x Enhanced flash 8-bit 1T 8051 microcontroller Datasheet
■The series is an 8051 core, MCS-51 compatible 1T command system, a general-purpose IO type 8-bit chip, operating frequency up to 48MHz, the MCU has the following features:
◆Features a maximum of 16KB of program area, 256B of RAM space, 1KB of XRAM, and 1KB of non-volatile data area.
◆With four oscillation modes, the system clock can be freely switched between three clock sources (HSE and LSE are prohibited from switching to each other), and external oscillator stop detection.
◆Support normal, idle, sleep three working modes, can effectively reduce power consumption.
◆Built-in low-voltage reset LVR, low-voltage monitoring LVD, watchdog overflow reset and other protection settings can effectively improve the reliability of system operation.
◆It has a variety of interrupt sources such as external interrupts, timer interrupts and other peripheral interrupts, which can respond to external events in a timely manner and improve the utilization of MCUs.
◆Up to 9 timers, can achieve timing, counting, input capture, output comparison, timed wake-up, baud rate generator and other functions.
◆Has a cyclic redundancy check unit CRC.
◆Up to 8COM and 16SEG LED matrix drive, 8x 8 LED dot matrix drive.
◆Six 16-bit PWMs support independent, complementary, synchronous three modes of output, while with dead-zone control function.
◆With 1 I2C, 1 SPI, 2 UART communication modules, it can realize data transmission between the system and other devices.
◆Features a high accuracy 12-bit ADC with selectable internal reference voltage.
◆Touch with high sensitivity.
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Datasheet |
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Please see the document for details |
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SOP20;SOP28;TSSOP20;SSOP28 |
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English Chinese Chinese and English Japanese |
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Apr 2023 |
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Rev.1.0.1 |
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2.3 MB |
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