The document describes the features and characteristics of a product called SuperFlash. The product is an 8-bit 8051 family compatible microcontroller with embedded SuperFlash memory. It supports both 5V and 3V operation, has 1K byte of register/data RAM, dual block SuperFlash EEPROM, external address range up to 64K byte of program and data memory, and other features.
This datasheet covers the FlashFlex51 MCU family, which includes models SST89E564RD, SST89V564RD, SST89E554RC, and SST89V554RC. These devices are 8-bit microcontrollers compatible with the 8051 family, utilizing embedded SuperFlash EEPROM technology for program storage.
The document provides preliminary specifications including functional block diagrams, pin assignments, memory organization, and electrical characteristics. It details features such as In-Application Programming (IAP), watchdog timers, serial interfaces (UART/SPI), and various power-saving modes available in different package types like PDIP, PLCC, and TQFP.
| Architecture | 8-bit 8051 Family Compatible Microcontroller |
|---|---|
| Operating Voltage (E models) | 5V Operation: 0 to 40 MHz |
| Operating Voltage (V models) | 3V Operation: 0 to 25 MHz |
| Program Memory (E models) | 72 KByte |
| Program Memory (V models) | 40 KByte |
| Data RAM | 1KByte |
| I/O Pins | 32 I/O Pins |
| Timers/Counters | Three 16-bit Timers/Counters |
The maximum operating frequency for the 5V operation models (SST89E564RD/SST89E554RC) is 40 MHz.
The maximum operating frequency for the 3V operation models (SST89V564RD/SST89V554RC) is 25 MHz.
Yes, the device supports concurrent operation during In-Application Programming (IAP).