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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DS1921 датащи(PDF) 27 Page - Dallas Semiconductor |
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DS1921 датащи(HTML) 27 Page - Dallas Semiconductor |
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27 / 44 page  DS1921H/Z 27 of 44 ROM FUNCTIONS FLOW CHART Figure 13-1 To Memory Functions Flow Chart (Figure 10) DS1921 TX Bit 63 Master TX Bit 63 DS1921 TX Bit 63 DS1921 TX Bit 1 Master TX Bit 1 DS1921 TX Bit 1 DS1921 TX Bit 0 Master TX Bit 0 DS1921 TX Bit 0 Bit 63 Match? Bit 1 Match? Bit 0 Match? F0H Search ROM? N Y N Y Y N Y N DS1921 TX Bit 63 Master TX Bit 63 DS1921 TX Bit 63 DS1921 TX Bit 1 Master TX Bit 1 DS1921 TX Bit 1 DS1921 TX Bit 0 Master TX Bit 0 DS1921 TX Bit 0 Bit 63 Match? Bit 1 Match? Bit 0 Match? Cond. Met? ECH Cond. Search ROM? N Y N Y N Y Y N Y N Master TX Bit 63 Master TX Bit 1 Master TX Bit 0 Bit 63 Match? Bit 1 Match? Bit 0 Match? 55H Match ROM? N Y N Y Y N Y N DS1921 TX CRC Byte DS1921 TX Temp. Range Code and Serial Number 6 Bytes DS1921 TX Family Code 1 Byte 33H Read ROM? N Y From Memory Functions Flow Chart (Figure 10) Master TX ROM Function Command DS1921 TX Presence Pulse Master TX Reset Pulse Short Reset Pulse? N Y OD = 0 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 1) 2) 1) To be transmitted or received at Overdrive speed if OD = 1. 2) The Presence Pulse will be short if OD = 1. From Figure 13 2 nd Part From Figure 13 2 nd Part To Figure 13 2 nd Part To Figure 13 2 nd Part |
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