m41st87w STMicroelectronics, m41st87w Datasheet - Page 17

• Manufacturer Part Number: m41st87w
• Description: 5.0, 3.3, Or 3.0v, 1280 Bit 160 X8 Secure Serial Rtc And Nvram Supervisor With Tamper Detection
• Manufacturer: STMicroelectronics

Figure 15. Tamper Detect Output Options
Figure 16. Basic Tamper Detect Options
TCM
TCM
TCM
TCM
X
X
X
X
, TPM
, TPM
, TPM
, TPM
X
X
X
X
= 1,1
= 0,0
= 1,0
= 0,1
TP1
TP2
Configuration
TEB1
V
V
TEB2
CC
CC
User
(V
(V
OUT
OUT
)
)
NORMALLY CLOSED
NORMALLY CLOSED
CLR1
CLR2
NORMALLY OPEN
NORMALLY OPEN
CLR2
CLR1
TIE
TIE
TAMPER LO,
TAMPER LO,
TAMPER HI,
TAMPER HI,
1
EXT
2
EXT
Triggering Event
(other reset sources)
V
CC
(V
OUT
)
Configuration
TCM
CLR - Clear 128 bytes
internal RAM on tamper
Time stamp tamper
event (to RTC)
User
X
, TPM
X
IRQ - Interrupt the
processor on tamper
TP
RAM on tamper
RESET OUT
CLR
Tamper Event Output
CLRX
CLRX
TIE
M41ST87Y, M41ST87W
- Clear external
X
EXT
AI07821
IRQ - Interrupt the
processor on tamper
TP
RAM on tamper
CLR - Clear internal
RAM on tamper
Time stamp tamper
event
CLR
- Clear external
AI07818
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