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CS82C52Z - Renesas Electronics

Description: The Intersil 82C52 is a high performance programmable Universal Asynchronous Receiver/Transmitter (UART) and Baud Rate Generator (BRG) on a single chip. Utilizing the Intersil advanced Scaled SAJI IV CMOS process, the 82C52 will support data rates up to 1M baud asynchronously with a 16X clock (16MHz clock frequency). The on-chip Baud Rate Generator can be programmed for any one of 72 different baud rates using a single industry standard crystal or external frequency source. A unique pre-scale divide circuit

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CS82C52Z - Renesas Electronics PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - N28.45_
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CS82C52Z Details

  • Manufacturer Part Number:

    CS82C52Z

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    PLCC

  • Pin Count:

    28

  • Manufacturer Package Code:

    N28.45

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.31.00.30

  • Factory Lead Time:

    4 Weeks

  • Date Of Intro:

    2018-07-18

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    0

  • Address Bus Width:

    2

  • Boundary Scan:

    NO

  • Bus Compatibility:

    80C86; 80C88

  • Clock Frequency-Max:

    16 MHz

  • Communication Protocol:

    ASYNC, BIT

  • External Data Bus Width:

    8

  • JESD-30 Code:

    S-PQCC-N28

  • JESD-609 Code:

    e3

  • Low Power Mode:

    YES

  • Moisture Sensitivity Level:

    3

  • Number of Serial I/Os:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    245

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    NO LEAD

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • uPs/uCs/Peripheral ICs Type:

    SERIAL IO/COMMUNICATION CONTROLLER, SERIAL

CS82C52Z Frequently Asked Questions (FAQs)

  • The recommended POR timing is to hold the reset pin low for at least 10 clock cycles after the power supply voltage reaches the minimum operating voltage (VCC(min)). This ensures that the device is properly reset and configured for normal operation.
  • The UART baud rate on the CS82C52Z is configured using the Timer 1 overflow interrupt. The timer is used to divide the oscillator frequency to generate the desired baud rate. The specific configuration depends on the oscillator frequency and the desired baud rate.
  • The maximum clock frequency supported by the CS82C52Z is 24 MHz. However, the device can operate at lower frequencies, and the clock frequency can be divided using the clock divider feature.
  • The watchdog timer on the CS82C52Z is used to detect and recover from system failures. It can be enabled and configured using the watchdog timer control register. The watchdog timer can be reset using a timer overflow or a software reset.
  • The BOD feature on the CS82C52Z is used to detect and respond to voltage drops or brown-out conditions. When a brown-out condition is detected, the device can be configured to reset or enter a power mode to prevent data corruption or system failure.

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CS82C52Z Overview

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