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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M45PE80 датащи(PDF) 5 Page - STMicroelectronics |
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M45PE80 датащи(HTML) 5 Page - STMicroelectronics |
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5 / 36 page  5/36 M45PE80 SUMMARY DESCRIPTION The M45PE80 is a 8Mbit (1M x 8 bit) Serial Paged Flash Memory accessed by a high speed SPI- compatible bus. The memory can be written or programmed 1 to 256 bytes at a time, using the Page Write or Page Program instruction. The Page Write instruction consists of an integrated Page Erase cycle fol- lowed by a Page Program cycle. The memory is organized as 16 sectors, each con- taining 256 pages. Each page is 256 bytes wide. Thus, the whole memory can be viewed as con- sisting of 4096 pages, or 1,048,576 bytes. The memory can be erased a page at a time, using the Page Erase instruction, or a sector at a time, using the Sector Erase instruction. Figure 2. Logic Diagram Table 1. Signal Names Figure 3. VDFPN Connections Note: 1. There is an exposed die paddle on the underside of the MLP8 package. This is pulled, internally, to VSS, and must not be allowed to be connected to any other voltage or signal line on the PCB. 2. See PACKAGE MECHANICAL section for package di- mensions, and how to identify pin-1. Figure 4. SO Connections Note: 1. DU = Don’t Use 2. See PACKAGE MECHANICAL section for package di- mensions, and how to identify pin-1. C Serial Clock D Serial Data Input Q Serial Data Output S Chip Select W Write Protect Reset Reset VCC Supply Voltage VSS Ground Reset AI06810B S VCC M45PE80 VSS W Q C D 1 AI06811B 2 3 4 8 7 6 5 W S VCC VSS C DQ Reset M45PE80 1 AI09031B 2 3 4 16 15 14 13 DU DU DU DU VSS DU DU M45PE80 5 6 7 8 12 11 10 9 RESET Q VCC DU DU S W D C |
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