S25FL040A Meet Spansion Inc., S25FL040A Datasheet - Page 29

• Manufacturer Part Number: S25FL040A
• Description: Small Sector For Boot And Parameter Storage 4-megabit Cmos 3.0 Volt Flash Memory With 50 Mhz Spi Bus Interface
• Manufacturer: Meet Spansion Inc.

9.14
July 2, 2007 S25FL040A_00_B2
Command Definitions
Notes
1. The S25FL040A has a manufacturer ID of 01h, and a device ID consisting of the memory type (02h) and the memory capacity (12h for
2. The S25FL040A has an Electronic Signature ID of 12h.
Operation
Program
Register
Control
uniform sector, 25h for top boot, 26h for bottom boot).
Saving
Status
Power
Erase
Read
Write
FAST_READ
Command
READ_ID
WREN
WRSR
RDSR
READ
WRDI
RDID
RES
SE
BE
PP
DP
Read Data Bytes
Read Data Bytes at Higher Speed
Read Identification
Read Manufacture and
Device Identification
Write Enable
Write Disable
Sector Erase
Bulk (Chip) Erase
Page Program
Read from Status Register
Write to Status Register
Deep Power Down
Release from Deep Power Down
Release from Deep Power Down and
Read Electronic Signature
D a t a
Description
S h e e t
Table 9.5 Command Definitions
(Note 1)
S25FL040A
(Note 1)
(Note 2)
Command Code
0BH (0000 1011)
D8H (1101 1000)
C7H (1100 0111)
B9H (1011 1001)
ABH (1010 1011)
ABH (1010 1011)
03H (0000 0011)
9FH (1001 1111)
90H (1001 0000)
06H (0000 0110)
04H (0000 0100)
02H (0000 0010)
05H (0000 0101)
01H (0000 0001)
One-Byte
Address
Bytes
3
3
0
3
0
0
3
0
3
0
0
0
0
0
Dummy
Byte
1
0
0
0
0
0
3
0
0
0
0
0
0
0
Data Bytes
1 to 256
1 to ∞
1 to ∞
1 to ∞
1 to ∞
1 to ∞
1 to 3
0
0
0
0
1
0
0
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