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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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S35390A датащи(PDF) 11 Page - Seiko Instruments Inc |
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S35390A датащи(HTML) 11 Page - Seiko Instruments Inc |
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11 / 51 page  FOR AUTOMOTIVE 105°C OPERATION 2-WIRE REAL-TIME CLOCK Rev.2.2_00 S-35390A H Series Seiko Instruments Inc. 11 Configuration of Registers 1. Real-time data register The real-time data register is a 7-byte register that stores the data of year, month, day, day of the week, hour, minute, and second in the BCD code. To write / read real-time data 1 access, transmit / receive the data of year in B7, month, day, day of the week, hour, minute, second in B0, in 7-byte. When you skip the procedure to access the data of year, month, day, day of the week, read / write real-time data 2 accesses. In this case, transmit / receive the data of hour in B7, minute, second in B0, in 3-byte. The S-35390A H Series transfers a set of data of time to the real-time data register when it recognizes a reading instruction. Therefore, the S-35390A H Series keeps precise time even if time-carry occurs during the reading operation of the real-time data register. Year data (00 to 99) Month data (01 to 12) Day data (01 to 31) Hour data (00 to 23 or 00 to 11) Minute data (00 to 59) Second data (00 to 59) Y80 Y40 Y4 Y8 Y10 Y20 Y2 Y1 B7 B0 M1 M2 M4 M8 M10 0 0 0 D1 D2 D4 D8 D10 D20 0 0 W1 W2 W4 0 0 0 0 0 H1 H4 H8 H10 H20 H2 0 m1 s2 s4 s8 s10 s20 s40 0 m8 m10 m20 m40 0 m4 m2 AM / PM s1 Start bit of real-time data 2 data access Start bit of real-time data 1 data access Day of the week data (00 to 06) B7 B0 B7 B0 B7 B0 B7 B0 B7 B0 B7 B0 Figure 10 Real-Time Data Register |
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