片上可配置存储系统的8位微控制器 Configurable Memory System on a Chip for 8-Bit Microcontrollers
Introduction
The PSD8XX 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. PSD8XX 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