M25P40 Serial Flash Embedded Memory
Configuration and Memory Map
Configuration and Memory Map
Memory Configuration and Block Diagram
Each page of memory can be individually programmed; bits are programmed from 1 to
0. The device is sector or bulk-erasable, but not page-erasable; bits are erased from 0 to
1. The memory is configured as follows:
• 524,288 bytes (8 bits each)
• 8 sectors (512Kb, 65KB each)
• 2048 pages (256 bytes each)
Figure 6: Block Diagram
HOLD#
W#
High Voltage
Generator
Control Logic
S#
C
DQ0
DQ1
I/O Shift Register
Status
Register
Address Register
and Counter
256 Byte
Data Buffer
7FFFFh
00000h
000FFh
256 bytes (page size)
X Decoder
PDF: 09005aef8456654f
m25p40.pdf - Rev. G 05/13 EN
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