Datasheet

SST26VF064B / SST26VF064BA
DS20005119G-page 24  2015 Microchip Technology Inc.
5.14 JEDEC-ID Read (SPI Protocol)
Using traditional SPI protocol, the JEDEC-ID Read
instruction identifies the device as SST26VF064B/
064BA and the manufacturer as Microchip®. To exe-
cute a JECEC-ID operation the host drives CE# low
then sends the JEDEC-ID command cycle (9FH).
Immediately following the command cycle,
SST26VF064B/064BA output data on the falling edge
of the SCK signal. The data output stream is continu-
ous until terminated by a low-to-high transition on CE#.
The device outputs three bytes of data: manufacturer,
device type, and device ID, see Table 5-4. See Figure
5-16 for instruction sequence.
FIGURE 5-16: JEDEC-ID SEQUENCE (SPI)
5.15 Read Quad J-ID Read (SQI
Protocol)
The Read Quad J-ID Read instruction identifies the
device as SST26VF064B/064BA and manufacturer as
Microchip. To execute a Quad J-ID operation the host
drives CE# low and then sends the Quad J-ID com-
mand cycle (AFH). Each cycle is two nibbles (clocks)
long, most significant nibble first.
Immediately following the command cycle and one
dummy cycle, SST26VF064B/064BA output data on
the falling edge of the SCK signal. The data output
stream is continuous until terminated by a low-to-high
transition of CE#. The device outputs three bytes of
data: manufacturer, device type, and device ID, see
Table 5-4. See Figure 5-17 for instruction sequence.
FIGURE 5-17: QUAD J-ID READ SEQUENCE
TABLE 5-4: DEVICE ID DATA OUTPUT
Product Manufacturer ID (Byte 1)
Device ID
Device Type (Byte 2) Device ID (Byte 3)
SST26VF064B/064BA BFH 26H 43H
26 Device ID
25119 F38.0
CE#
SO
SI
SCK
012345678
HIGH IMPEDANCE
15 1614 28 29 30 31
BF
MODE 3
MODE 0
MSBMSB
9 10111213 1718 32 34
9F
19 20 21 22 23 3324 25 26 27
BFH
Device ID
Dummy
BFH
MSN
LSN
26H
26H
N
25119 F55.0
012
SCK
SIO(3:0)
CE#
C1C0 X X H0 L0
H1
L1
H0 L1H1L0 HN LN
78 111091312
N
MODE 3
MODE 0
3456
H2 L2
Note: MSN = Most significant Nibble; LSN= Least Significant Nibble. C{1:0]=AFH