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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SH7261 датащи(PDF) 49 Page - Renesas Technology Corp |
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SH7261 датащи(HTML) 49 Page - Renesas Technology Corp |
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49 / 1348 page  Section 1 Overview Rev. 2.00 Sep. 07, 2007 Page 17 of 1312 REJ09B0320-0200 Classification Symbol I/O Name Function Interrupts NMI I Non-maskable interrupt Non-maskable interrupt request pin. Fix it high when not in use. IRQ7 to IRQ0 I Interrupt requests 7 to 0 Maskable interrupt request pins. Level-input or edge-input detection can be selected. When the edge- input detection is selected, the rising edge, falling edge, or both edges can also be selected. PINT7 to PINT0 I Interrupt requests 7 to 0 Maskable interrupt request pins. Only level-input detection can be selected. Address bus A27 to A0 O Address bus Addresses are output on these pins. Data bus D31 to D0 I/O Data bus Bidirectional data bus Bus control CS6 to CS0 O Chip select 6 to 0 Chip-select signals for external memory or devices RD O Read Indicates that data is read from an external device. WAIT I Wait Input pin for inserting a wait cycle into the bus cycles during access to the external space WR0 O Byte select Indicates a write access to bits 7 to 0 of data of external memory or device. (For an access in units of 8, 16, or 32 bits) WR1 O Byte select Indicates a write access to bits 15 to 8 of data of external memory or device. (For an access in units of 16 or 32 bits) WR2 O Byte select Indicates a write access to bits 23 to 16 of data of external memory or device. (For an access in units of 32 bits) WR3 O Byte select Indicates a write access to bits 31 to 24 of data of external memory or device. (For an access in units of 32 bits) |
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