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M41ST87Y bảng dữ liệu(PDF) 21 Page - STMicroelectronics

tên linh kiện M41ST87Y
Giải thích chi tiết về linh kiện  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  52 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41ST87Y bảng dữ liệu(HTML) 21 Page - STMicroelectronics

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M41ST87Y, M41ST87W
Operating modes
Doc ID 9497 Rev 8
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Figure 15.
Basic tamper detect options
1.
Available in SOX28 (MX) package only.
Figure 16.
Tamper detect output options
1.
Available in SOX28 (MX) package only.
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
(1)
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)
AI07821
IRQ - Interrupt the
processor on tamper
User
Configuration
TPCLR - Clear external
RAM on tamper (1)
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



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