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參數(shù)資料
| 型號： | M41ST87YWX6 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 時鐘/數(shù)據(jù)恢復(fù)及定時提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO28 |
| 封裝： | 0.300 INCH, PLASTIC, SO-28 |
| 文件頁數(shù)： | 8/38頁 |
| 文件大?。?/td> | 569K |
| 代理商： | M41ST87YWX6 |
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M41ST87Y, M41ST87W
16/38
Figure 15. Tamper Detect Connection Options
Note: These options are connected to those in Table 7.
1. If the CLRXEXT Bit is set, a second Tamper to VOUT (TPM2 = '1') during tCLR will not be detected.
2. If the CLRXEXT Bit is set, a second Tamper to VOUT (TPM2 = '1') will trigger automatically.
3. Optional external resistor to VCC allows the user to bypass sampling when power is “on.”
Table 7. Tamper Detection Truth Table
Note: 1. No battery current drawn during battery back-up.
Option
Mode
TCMX
TPMX
I
Normally Open/Tamper to GND(1)
10
II
Normally Open/Tamper to VOUT
(1)
11
III
Normally Closed/Tamper to GND
0
IV
Normally Closed/Tamper to VOUT
01
AI07075
TPIN
TAMPER HI
(TPMX = 1)
TAMPER LO
(TPMX = 0)
VOUT
(1)
TPIN
NORMALLY
CLOSED
(TCMX = 0)
NORMALLY
OPEN
(TCMX = 1)
I.
IV.
II.
III.
TPIN
VOUT
(2)
TCHI/TCLO = 0
1M
10M
TCHI/TCLO = 1
TCHI/TCLO = 0
TCHI/TCLO = 1
1M
10M
VOUT (Int)
VCC
(3)
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