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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SH7713 датащи(PDF) 60 Page - Renesas Technology Corp |
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SH7713 датащи(HTML) 60 Page - Renesas Technology Corp |
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60 / 904 page  Section 1 Overview and Pin Function Rev.1.50 Aug. 30, 2006 Page 20 of 860 REJ09B0288-0150 Classification Symbol I/O Name Function XTAL O Crystal For connection to a crystal resonator. For examples of crystal resonator connection and external clock input, see section 11, On- Chip Oscillation Circuits. CKIO I/O System clock Supplies the system clock to external devices. This pin can be also used for external clock input. Clock CKIO2 O System clock Supplies the system clock to external devices. Operating mode control MD5 to MD0 I Mode set These pins set the operating mode. Do not change values on these pins during operation. MD2 to MD0 set the clock mode, MD4 and MD3 set the bus-width mode of area 0, and MD5 sets the endian. RESETP I Power-on reset When low, the system enters the power-on reset state. RESETM I Manual reset When low, the system enters the manual reset state. STATUS1 STATUS0 O Status output Indicates that this LSI is in software standby mode, reset, or sleep. BREQ I Bus request Low when an external device requests the release of the bus mastership. System control BACK O Bus request acknowledge Indicates that the bus mastership has been released to an external device. Reception of the BACK signal informs the device which has output the BREQ signal that it has acquired the bus mastership. |
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