N25Q128A13BF840E NUMONYX, N25Q128A13BF840E Datasheet - Page 114
N25Q128A13BF840E
Manufacturer Part Number
N25Q128A13BF840E
Description
128MBQUAD IO,XIP VDFPN 8X6 3VT&R
Manufacturer
NUMONYX
Datasheet
1.N25Q128A13BSF40G.pdf
(180 pages)
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9.2.2
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DQ0
DQ1
C
S
0
DQ0
DQ1
S
C
Instruction
1
2
Figure 42. Multiple I/O Read Identification instruction and data-out sequence DIO-
Dual Command Fast Read (DCFR)
The Dual Command Fast Read (DCFR) instruction allows to read the memory in DIO-SPI
protocol, parallelizing the instruction code, the address and the output data on two pins
(DQ0 and DQ1). The Dual Command Fast Read (DCFR) instruction can be issued, when
the device is set in DIO-SPI mode, by sending to the memory indifferently one of the 3
instructions codes: 0Bh, 3Bh or BBh, the effect is exactly the same. The 3 instruction codes
are all accepted to help the application code porting from Extended SPI protocol to DIO-SPI
protocol.
Apart for the parallelizing on two pins of the instruction code, the Dual Command Fast Read
instruction functionality is exactly the same as the Dual I/O Fast Read of the Extended SPI
protocol, please refer to
Figure 43. Dual Command Fast Read instruction and data-out sequence DIO-SPI
3
23 21 19 17
22 20 18 16
4
5
6
SPI
7
24-Bit Address
0
15 13 11 9
14 12 10 8
8
1
AFh
9 10 11
2
Section 9.1.5: Dual I/O Fast Read
3
12 13 14 15
7
6
7
6
5
4
4
3
2
5
4
MAN.
code
5
1
0
3
2
6
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
1
0
7
Dummy cycles
7
6
8
5
4
DEV.
code
9 10 11 12 13 14 15
3
2
1
0
for further details.
7
6
7
MSB
6
Data Out 1
SIZE
code
Dual_Multi_Read_IO
5
4
5
4
Dual_Command_Fast_Read
3
2
3
2
1
0
1
0
MSB
6
7
Data Out n
4
5
2
3
0
1
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