BR25H010-W ROHM [Rohm], BR25H010-W Datasheet - Page 7

• Manufacturer Part Number: BR25H010-W
• Manufacturer: ROHM [Rohm]

●Command mode
●Timing chart
○This IC has write enable status and write disable status. It is set to write enable status by write enable command, and it is set
1. Write enable (WREN) / disable (WRDI) cycle
WRITE
WREN
WRSR
READ
RDSR
WRDI
When to carry out write and write status register command, it is necessary to set write enable status by the write enable
command. If write or write status register command is input in the write disable status, commands are cancelled. And even in
the write enable status, once write and write status register command is executed, it gets in the write disable status. After
power on, this IC is in write disable status.
to write disable status by write disable command. As for these commands, set CSB LOW, and then input the respective ope
codes. The respective commands accept command at the 7-th clock rise. Even with input over 7 clocks, command becomes
valid.
Command
Write enable
Write disable
Read
Write
Read status register
Write status register
CSB
SCK
CSB
SCK
SO
SO
SI
SI
1. WREN (WRITE ENABLE): Write enable
1. WRDI (WRITE DISABLE): Write disable
High-Z
High-Z
Write enable command
Write disable command
Read command
Write command
Status register read
command
Status register write
command
0
0
0
0
0
0
Fig.33 Write enable command
Fig.34 Write disable
1
1
Contents
0
0
2
2
0
0
3
3
*1
*1
4
4
1
1
5
5
7/16
BR25H010-W
BR25H020-W
0000
0000
0000
0000
0000
0000
0
1
6
6
0
0
7
7
ж
ж
ж
ж
ж
ж
110
100
011
010
101
001
BR25H040-W
0000
0000
0000
0000
0000
0000
Ope code
ж
ж
1 BR25H010/020/040-W= Don’t care
1 BR25H010/020/040-W= Don’t care
BR25H080/160/320-W= “0” input
BR25H080/160/320-W= “0” input
A
A
ж
ж
ж
ж
8
8
110
100
101
001
010
011
BR25H080-W
BR25H160-W
BR25H320-W
0000
0000
0000
0000
0000
0000
0110
0100
0011
0010
0101
0001