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M41ST87Y Arkusz danych(PDF) 20 Page - STMicroelectronics

Numer części M41ST87Y
Szczegółowy opis  5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM
PDF  48 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41ST87Y Arkusz danych(HTML) 20 Page - STMicroelectronics

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Operating modes
M41ST87Y, M41ST87W
20/48
Figure 14.
Tamper detect output options
Figure 15.
Basic tamper detect options
AI07821
IRQ - Interrupt the
processor on tamper
User
Configuration
TPCLR - Clear external
RAM on tamper
RESET OUT
CLR - Clear 128 bytes
internal RAM on tamper
Time stamp tamper
event (to RTC)
CLR1EXT
TIE1
CLR1
CLR2EXT
TIE2
CLR2
(other reset sources)
TEB2
TP2
TEB1
TP1
AI07818
TAMPER LO,
NORMALLY OPEN
TAMPER HI,
NORMALLY CLOSED
User
Configuration
TCM
X, TPMX
IRQ - Interrupt the
processor on tamper
TP
CLR - Clear external
RAM on tamper
CLR - Clear internal
RAM on tamper
Time stamp tamper
event
CLRX
EXT
TIE
X
CLRX
TAMPER HI,
NORMALLY OPEN
TAMPER LO,
NORMALLY CLOSED
Triggering Event
Tamper Event Output
TCMX, TPMX = 1,1
TCMX, TPMX = 0,0
TCMX, TPMX = 1,0
TCMX, TPMX = 0,1
VCC (VOUT)
VCC (VOUT)
VCC (VOUT)



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