Samsung S3F80JB manual Embedded Flash Memory Interface, Flash ROM Configuration

Models: S3F80JB

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S3F80JB

EMBEDDED FLASH MEMORY INTERFACE

 

 

15 EMBEDDED FLASH MEMORY INTERFACE

OVERVIEW

The S3F80JB has an on-chip flash memory internally instead of masked ROM. The flash memory is accessed by instruction ‘LDC’. This is a sector erasable and a byte programmable flash. User can program the data in a flash memory area any time you want. The S3F80JB ‘s embedded 64K-byte memory has two operating features as below:

User Program Mode

Tool Program Mode

Flash ROM Configuration

The S3F80JB flash memory consists of 512sectors. Each sector consists of 128bytes. So, the total size of flash memory is 512x128 bytes (64KB). User can erase the flash memory by a sector unit at a time and write the data into the flash memory by a byte unit at a time.

64Kbyte Internal flash memory

Sector size: 128-Bytes

10years data retention

Fast programming Time: Sector Erase: 10ms (min) Byte Program: 32us (min)

Byte programmable

User programmable by ‘LDC’ instruction

Sector (128-Bytes) erase available

External serial programming support

Endurance: 10,000 Erase/Program cycles (min)

Expandable OBPTM (On Board Program)

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Samsung S3F80JB manual Embedded Flash Memory Interface, Flash ROM Configuration