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ST72C254G2B6 - STMicroelectronics

Description: 8-bit MCU with single voltage Flash memory, ADC, 16-bit timers, SPI, I2C interfaces

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ST72C254G2B6 - STMicroelectronics - PCB symbol
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ST72C254G2B6 - STMicroelectronics PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 32-Pin Shrink Plastic Dual In Line Package-2
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ST72C254G2B6 - STMicroelectronics - 3D model - Dual-In-Line Packages - 32-Pin Shrink Plastic Dual In Line Package-2
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ST72C254G2B6 Details

  • Manufacturer Part Number:

    ST72C254G2B6

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP-32

  • Pin Count:

    32

  • HTS Code:

    8542.31.00.15

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Has ADC:

    YES

  • Additional Feature:

    ALSO OPERATES FROM 3.2 TO 5.5V SUUPLY

  • Bit Size:

    8

  • Boundary Scan:

    NO

  • CPU Family:

    ST72

  • Clock Frequency-Max:

    16 MHz

  • DAC Channels:

    NO

  • DMA Channels:

    NO

  • JESD-30 Code:

    R-PDIP-T32

  • JESD-609 Code:

    e3

  • Length:

    27.94 mm

  • Number of I/O Lines:

    22

  • Number of Terminals:

    32

  • On Chip Program ROM Width:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • PWM Channels:

    YES

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SDIP

  • Package Equivalence Code:

    SDIP32,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE, SHRINK PITCH

  • Qualification Status:

    Not Qualified

  • RAM (bytes):

    256

  • ROM (words):

    8192

  • ROM Programmability:

    FLASH

  • Seated Height-Max:

    5.08 mm

  • Speed:

    8 MHz

  • Supply Current-Max:

    10 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.778 mm

  • Terminal Position:

    DUAL

  • Width:

    10.16 mm

  • uPs/uCs/Peripheral ICs Type:

    MICROCONTROLLER

ST72C254G2B6 Frequently Asked Questions (FAQs)

  • The maximum clock frequency that can be used with an external crystal oscillator is 16 MHz, as specified in the datasheet. However, it's recommended to use a crystal oscillator with a frequency of 12 MHz or less to ensure stable operation and minimize power consumption.
  • To configure the watchdog timer, you need to set the WDRF bit in the WDTCSR register to enable the watchdog timer. Then, you need to set the WDP bits in the WDTCSR register to select the timeout period. Finally, you need to periodically reset the watchdog timer by writing a specific value to the WDTCSR register to prevent a reset.
  • Yes, the internal RC oscillator can be used as a clock source for the microcontroller. However, the internal RC oscillator has a limited accuracy and stability, and its frequency may vary depending on the temperature and voltage supply. It's recommended to use an external crystal oscillator for more accurate and stable clocking.
  • To implement a low-power mode, you can use the Power-Down mode (PD) or the Power-Save mode (PS). In PD mode, the microcontroller stops executing instructions and the clock is stopped, while in PS mode, the clock is slowed down to reduce power consumption. You can enter these modes by setting the appropriate bits in the MCUCR register.
  • The maximum current that can be sourced or sunk by the I/O pins is 20 mA per pin, as specified in the datasheet. However, it's recommended to limit the current to 10 mA per pin to ensure reliable operation and prevent overheating.

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ST72C254G2B6 Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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