M95080-DW6 STMICROELECTRONICS [STMicroelectronics], M95080-DW6 Datasheet - Page 16

• Manufacturer Part Number: M95080-DW6
• Description: 16Kbit and 8Kbit Serial SPI Bus EEPROM With High Speed Clock
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M95160, M95080
Regardless of the order of the two events, the
Hardware Protected Mode (HPM) can be entered:
–
–
The only way to exit the Hardware Protected Mode
(HPM) once entered is to pull Write Protect (W)
High.
Figure 10. Write Status Register (WRSR) Sequence
16/40
(BP1, BP0) bits of the Status Register, are
also hardware protected against data
modification.
by setting the Status Register Write Disable
(SRWD) bit after driving Write Protect (W) Low
or by driving Write Protect (W) Low after
setting the Status Register Write Disable
(SRWD) bit.
S
C
D
Q
0
1
High Impedance
2
Instruction
3
4
5
6
7
MSB
7
8
6
If Write Protect (W) is permanently tied High, the
Hardware Protected Mode (HPM) can never be
activated, and only the Software Protected Mode
(SPM), using the Block Protect (BP1, BP0) bits of
the Status Register, can be used.
Table 7. Address Range Bits
Note: b15 to b11 are Don’t Care on the M95160.
9 10 11 12 13 14 15
Address Bits
5
Register In
b15 to b10 are Don’t Care on the M95080.
4
Status
Device
3
2
1
0
AI02282D
M95160
A10-A0
M95080
A9-A0