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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TMP93CS44 датащи(PDF) 72 Page - Toshiba Semiconductor |
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TMP93CS44 датащи(HTML) 72 Page - Toshiba Semiconductor |
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72 / 224 page  TMP93CS44/S45 2004-02-10 93CS44-70 3.5.8 Port 7 (P70 to P77) Port 7 is an 8-bit general-purpose I/O port. I/O can be set on a bit basis. Port 7 can output large current and drive LED directly. In addition to I/O port, port 70 also shares functions as WAIT input pin. Resetting sets the function register P7CR to 0, and all bits to input ports. Port 7 as an input port. It also sets all bits of the output latch register P7 to 1. (1) P70 ( WAIT ) Port 70 is a general-purpose I/O port, and also used as an WAIT pin for external wait input. (2) P71 to P77 Figure 3.5.20 Port 7 Direction control (on bit basis) Reset P7CR write P7 read P70 ( WAIT ) P7 write WAIT S Output latch S B Selector A Direction control (on bit basis) Reset P7CR write P7 read P71 to P77 P7 write S Output latch S B Selector A |
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