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M41ST87YMX6 数据表(PDF) 8 Page - STMicroelectronics |
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M41ST87YMX6 数据表(HTML) 8 Page - STMicroelectronics |
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8 / 48 page ![]() Description M41ST87Y, M41ST87W 8/48 Table 1. Signal names ECON Conditioned chip enable output EX External chip enable IRQ/OUT(1) 1. Open drain output Interrupt/out output (open drain) PFI1 Power fail input 1 PFI2 Power fail input 2 PFO1 (2) 2. Programmable output (open drain or full-CMOS) Power fail output 1 PFO2 (2) Power fail output 2 RST(1) Reset output (open drain) RSTIN1 Reset 1 input RSTIN2 Reset 2 input SCL Serial clock input SDA Serial data input/output SQW/FT(2) Square wave output/frequency test WDI Watchdog input VCC Supply voltage VOUT Voltage output VSS Ground F32k (1) 32 kHz square wave output (open drain) TP1IN Tamper pin 1 input TP2IN Tamper pin 2 input TPCLR Tamper pin RAM clear VBAT Positive battery pin input NF(3) 3. Should be connected to VSS. No function NC(3) No connect |
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