5 internal flash rom, Overview, Block diagram – Samsung S3F401F User Manual
Page 61: Internal flash rom
S3F401F_UM_REV1.00
INTERNAL FLASH ROM
5-1
5
INTERNAL FLASH ROM
1. OVERVIEW
The S3F401F has an on-chip flash ROM, internally. The memory flash size is 256Kbytes. To improve operating
speed, the memory is composed of two interleaved flash memories.
1.2 FEATURES
• Flash memory size: 256Kbytes
• Two working modes: Non-interleave mode, Interleave mode
• Two programming modes: User program mode, Tool program mode
• Protection supports: Hardware protection, Read protection
2. BLOCK DIAGRAM
Figure 5-1. Flash Memory Controller Read/Write Block Diagram
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