PM25LV010 Programmable Microelectronics, PM25LV010 Datasheet - Page 6
PM25LV010
Manufacturer Part Number
PM25LV010
Description
(PM25LV010 / PM25LV512) Serial Flash Memory
Manufacturer
Programmable Microelectronics
Datasheet
1.PM25LV010.pdf
(24 pages)
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SERIAL INTERFACE DESCRIPTION (CONTINUED)
SPI MODES
These devices can be driven by microcontroller with its
SPI peripheral running in either of the two following modes:
Mode 0 = (0, 0)
Mode 3 = (1, 1)
For these two modes, input data is latched in on the
rising edge of Serial Clock (SCK), and output data is
Figure 2. SPI Modes
Mode 0 (0
Mode 3 (1
0)
1)
S O
S C K
S C K
SI
6
available from the falling edge of Serial Clock (SCK).
The difference between the two modes, as shown in
Figure 2, is the clock polarity when the bus master is in
Stand-by mode and not transfering data:
- Clock remains at 0 (SCK = 0) for Mode 0 (0, 0)
- Clock remains at 1 (SCK = 1) for Mode 3 (1, 1)