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S-93A46A Datasheet(PDF) 4 Page - Seiko Instruments Inc |
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S-93A46A Datasheet(HTML) 4 Page - Seiko Instruments Inc |
4 / 34 page CMOS SERIAL E2PROM S-93A46A/56A/66A Rev.2.1_00 Seiko Instruments Inc. 4 2. S-93A56A Table 3 Instruction Start Bit Operation Code Address Data SK input clock 1 2 3 4 5 6 7 8 9 10 11 12 to 27 READ (Read data) 1 1 0 x A6 A5 A4 A3 A2 A1 A0 D15 to D0 output *1 WRITE (Write data) 1 0 1 x A6 A5 A4 A3 A2 A1 A0 D15 to D0 input ERASE (Erase data) 1 1 1 x A6 A5 A4 A3 A2 A1 A0 WRAL (Write all) 1 0 0 0 1 x x x x x x D15 to D0 input ERAL (Erase all) 1 0 0 1 0 x x x x x x EWEN (Write enable) 1 0 0 1 1 x x x x x x EWDS (Write disable) 1 0 0 0 0 x x x x x x *1. When the 16-bit data in the specified address has been output, the data in the next address is output. Remark x: Doesn’t matter 3. S-93A66A Table 4 Instruction Start Bit Operation Code Address Data SK input clock 1 2 3 4 5 6 7 8 9 10 11 12 to 27 READ (Read data) 1 1 0 A7 A6 A5 A4 A3 A2 A1 A0 D15 to D0 output *1 WRITE (Write data) 1 0 1 A7 A6 A5 A4 A3 A2 A1 A0 D15 to D0 input ERASE (Erase data) 1 1 1 A7 A6 A5 A4 A3 A2 A1 A0 WRAL (Write all) 1 0 0 0 1 x x x x x x D15 to D0 input ERAL (Erase all) 1 0 0 1 0 x x x x x x EWEN (Write enable) 1 0 0 1 1 x x x x x x EWDS (Write disable) 1 0 0 0 0 x x x x x x *1. When the 16-bit data in the specified address has been output, the data in the next address is output. Remark x: Doesn’t matter |
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