S25FL512SAGMFIG13 Spansion, S25FL512SAGMFIG13 Datasheet - Page 81
![no-image](/images/no-image-200.jpg)
S25FL512SAGMFIG13
Manufacturer Part Number
S25FL512SAGMFIG13
Description
Flash 512Mb 3V 133MHz Serial NOR Flash
Manufacturer
Spansion
Datasheet
1.S25FL512SAGMFI011.pdf
(143 pages)
Specifications of S25FL512SAGMFIG13
Rohs
yes
Memory Type
Flash
Memory Size
512 MB
Architecture
Uniform
Timing Type
Asynchronous
Interface Type
SPI
Supply Voltage - Max
3.6 V
Supply Voltage - Min
2.7 V
Operating Temperature
- 40 C to + 85 C
Mounting Style
SMD/SMT
Package / Case
SO-16
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June 13, 2012 S25FL512S_00_04
10.3.7
Write Registers (WRR 01h):
The Write Registers (WRR) command allows new values to be written to both the Status Register-1 and
Configuration Register. Before the Write Registers (WRR) command can be accepted by the device, a Write
Enable (WREN) command must be received. After the Write Enable (WREN) command has been decoded
successfully, the device will set the Write Enable Latch (WEL) in the Status Register to enable any write
operations.
The Write Registers (WRR) command is entered by shifting the instruction and the data bytes on SI. The
Status Register is one data byte in length.
The Write Registers (WRR) command will set the P_ERR or E_ERR bits if there is a failure in the WRR
operation. Any Status or Configuration Register bit reserved for the future must be written as a 0.
CS# must be driven to the logic high state after the eighth or sixteenth bit of data has been latched. If not, the
Write Registers (WRR) command is not executed. If CS# is driven high after the eighth cycle then only the
Status Register-1 is written; otherwise, after the sixteenth cycle both the Status and Configuration Registers
are written. When the configuration register QUAD bit CR[1] is 1, only the WRR command format with 16 data
bits may be used.
As soon as CS# is driven to the logic high state, the self-timed Write Registers (WRR) operation is initiated.
While the Write Registers (WRR) operation is in progress, the Status Register may still be read to check the
value of the Write-In Progress (WIP) bit. The Write-In Progress (WIP) bit is a 1 during the self-timed Write
Registers (WRR) operation, and is a 0 when it is completed. When the Write Registers (WRR) operation is
completed, the Write Enable Latch (WEL) is set to a 0. The maximum clock frequency for the WRR command
is 133 MHz.
Phase
SCK
CS#
SO
SI
Phase
Phase
SCK
CS#
SCK
CS#
SO
SO
D a t a
SI
SI
Figure 10.12 Write Registers (WRR 01h) Command Sequence – 16 data bits
Figure 10.11 Write Registers (WRR 01h) Command Sequence – 8 data bits
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
S h e e t
7
7
Instruction
6
Figure 10.10 BRAC (B9h) Command Sequence
5
Instruction
6
( P r e l i m i n a r y )
4
S25FL512S
3
5
2
Input Status Register-1
1
4
Instruction
0
7
3
Input Status Register- 1
6
5
2
Input Configuration Regi
4
3
1
2
1
0
0
.
81
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