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Introduction

The PSD4000 series of Programmable Microcontroller (MCU) Peripherals brings In-System-Programmability (ISP) to Flash memory and programmable logic. The result is a simple and flexible solution for embedded designs. PSD4000 devices combine many of the peripheral functions found in MCU based applications:

? 4 Mbit of Flash memory

? A secondary Flash memory for boot or data

? Over 3,000 gates of Flash programmable logic

? 64 Kbit SRAM

? Reconfigurable I/O ports

? Programmable power management.

FEATURES SUMMARY

■ 5 V±10 Single Supply Voltage:

■ Up to 4 Mbit of Primary Flash Memory (8 uniform sectors)

■ 256Kbit Secondary Flash Memory (4 uniform sectors)

■ Up to 64 Kbit SRAM

■ Over 3,000 Gates of PLD: DPLD and CPLD

■ 52 Reconfigurable I/O ports

■ Enhanced JTAG Serial Port

■ Programmable power management

■ High Endurance:

– 100,000 Erase/Write Cycles of Flash Memory

– 1,000 Erase/Write Cycles of PLD