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M48T86PC1F 数据表(PDF) 8 Page - STMicroelectronics |
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M48T86PC1F 数据表(HTML) 8 Page - STMicroelectronics |
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8 / 36 page ![]() Summary description M48T86 8/36 Figure 3. 28-pin SOIC connections Figure 4. Block diagram AI01642 8 2 3 4 5 6 7 9 10 11 12 13 14 22 21 20 19 18 17 16 15 24 23 1 AD4 AD5 AD6 NC AD1 AD2 AD3 AD0 SQW RST NC RCL NC NC IRQ DS AS AD7 VSS E R/W MOT VCC M48T86 NC NC NC NC 26 25 28 27 VSS AI01643 OSCILLATOR BCD/BINARY INCREMENT E / 8 / 64 / 64 PERIODIC INTERRUPT/SQUARE WAVE SELECTOR SQUARE WAVE OUTPUT POWER SWITCH AND WRITE PROTECT AD0-AD7 REGISTERS A,B,C,D CLOCK CALENDAR, AND ALARM RAM STORAGE REGISTERS (114 BYTES) CLOCK/ CALENDAR UPDATE BUS INTERFACE VCC VBAT VCC POK DS R/W AS SQW RST IRQ DOUBLE BUFFERED RCL |
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