M25P40_07 Datasheet, PDF (17/53 Pages) STMicroelectronics – 4 Mbit, low voltage, serial Flash memory with 50 MHz SPI bus interface

M25P40
Figure 6. Block diagram
HOLD
W
S
C
D
Q
Control Logic
Address Register
and Counter
Memory organization
High Voltage
Generator
I/O Shift Register
256 Byte
Data Buffer
Status
Register
7FFFFh
Size of the
read-only
memory area
00000h
256 Bytes (Page Size)
X Decoder
000FFh
AI04986
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