M25PXX Datasheet, PDF (3/7 Pages) STMicroelectronics – 512 Kbit to 32 Mbit, Low Voltage, Serial Flash Memory With 40 MHz or 50 MHz SPI Bus Interface

Figure 5. Block Diagram
HOLD
W
S
C
D
Q
Control Logic
Address Register
and Counter
M25PXX
High Voltage
Generator
I/O Shift Register
256 Byte
Data Buffer
Top of Address Space
Status
Register
Size of the
read-only
memory area
00000h
256 Bytes (Page Size)
X Decoder
000FFh
AI10261
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