PSD853F2VA-90M Datasheet

Flash in-system programmable (ISP) ipherals for 8-bit MCUs, 5 V


Summary description
The PSD8XXFX family of memory systems for microcontrollers (MCUs) brings in-system-programmability (ISP) to Flash memory and programmable logic. The result is a simple and flexible solution for embedded designs. PSD devices combine many of the peripheral functions found in MCU based applications.
■ Flash in-system programmable (ISP)
    peripheral for 8-bit MCUs
■ Dual bank Flash memories
    – Up to 2 Mbit of primary Flash memory (8
        uniform sectors, 32K x8)
    – Up to 256 Kbit secondary Flash memory (4
        uniform sectors)
    – Concurrent operation: read from one
        memory while erasing and writing the other
■ Up to 256 Kbit SRAM
■ 27 reconfigurable I/Oports
■ Enhanced JTAG serial port
■ PLD with macrocells
    – Over 3000 gates of PLD: CPLD and DPLD
    – CPLD with 16 output macrocells (OMCs)
        and 24 input macrocells (IMCs)
    – DPLD - user defined internal chip select
■ 27 individually configurable I/O port pins
    They can be used for the following functions:
    – MCU I/Os
    – PLD I/Os
    – Latched MCU address output
    – Special function I/Os.
    – 16 of the I/O ports may be configured as
        open-drain outputs.
■ In-system programming (ISP) with JTAG
    – Built-in JTAG compliant serial port allows
        full-chip in-system programmability
    – Efficient manufacturing allow easy product
        testing and programming
    – Use low cost FlashLINK cable with PC
■ Page register
    – Internal page register that can be used to
        expand the microcontroller address space
        by a factor of 256   
■ Programmable power management
■ Packages are ECOPACK®



Manufacturer information


STMicroelectronics is a global independent semiconductor company and is a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivaled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence trends

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