M95320-W STMICROELECTRONICS [STMicroelectronics], M95320-W Datasheet - Page 10
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M95320-W
Manufacturer Part Number
M95320-W
Description
32 Kbit and 64 Kbit Serial SPI bus EEPROMs with high speed clock
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M95320-W.pdf
(44 pages)
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Connecting to the SPI bus
3.1
10/44
SPI modes
These devices can be driven by a microcontroller with its SPI peripheral running in either of
the two following modes:
For these two modes, input data is latched in on the rising edge of Serial Clock (C), and
output data is available from the falling edge of Serial Clock (C).
The difference between the two modes, as shown in
bus master is in Stand-by mode and not transferring data:
Figure 4.
CPOL
0
1
CPOL=0, CPHA=0
CPOL=1, CPHA=1
C remains at 0 for (CPOL=0, CPHA=0)
C remains at 1 for (CPOL=1, CPHA=1)
CPHA
0
1
D
Q
SPI modes supported
C
C
MSB
M95320, M95640, M95320-x, M95640-x
Figure
4, is the clock polarity when the
MSB
AI01438B