s-25a080a Seiko Instruments Inc., s-25a080a Datasheet - Page 14

• Manufacturer Part Number: s-25a080a
• Description: 25?c Operation Spi Serial E2prom For Automotive Electric Component
• Manufacturer: Seiko Instruments Inc.

14
125°C OPERATION SPI SERIAL E
S-25A080A/160A/320A
SO
CS
WRITE or WRSR instruction
SI
1. 4 WIP (b0) : Write In Progress
Bit WIP is Read Only and shows whether the internal memory is in the Write operation or not by the WRITE or
WRSR instruction. Bit WIP is “1” during the Write operation but “0” during any other status. Figure 9 shows the
usage example.
D2 D1 D0
RDSR instruction
RDSR
Figure 9 Usage Example of WEL, WIP Bits during Write
S
R
W
D
WEL, WIP
000
B
P
1
B
P
0
2
11
PROM FOR AUTOMOTIVE ELECTRIC COMPONENT
Seiko Instruments Inc.
t
PR
RDSR instruction
RDSR
WEL, WIP
S
R
W
D
000
B
P
1
B
P
0
11
RDSR instruction
RDSR
WEL, WIP
S
R
W
D
000
Rev.1.0
B
P
1
B
P
0
00
_00