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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) 61 Page - Renesas Technology Corp |
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SH7713 датащи(HTML) 61 Page - Renesas Technology Corp |
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61 / 904 page  Section 1 Overview and Pin Function Rev.1.50 Aug. 30, 2006 Page 21 of 860 REJ09B0288-0150 Classification Symbol I/O Name Function NMI I Non-maskable interrupt Non-maskable interrupt request pin. Fix to high when not in use. IRQ5 to IRQ0 I Interrupt requests 5 to 0 Maskable interrupt request pins. Selectable as level input or edge input. The rising edge, falling edge, and both edges are selectable as edges. IRL3 to IRL0 I Interrupt request 15-level interrupt request pins. Interrupts IRQOUT O Interrupt request output Indicates that the interrupt request is occurred. Address bus A25 to A0 O Address bus Outputs addresses. Data bus D31 to D0 I/O Data bus 32-bit bidirectional bus. CS0, CS2 to CS4, CS5A, CS6A, CS5B/CE1A, CS6B/CE1B, CE2A, CE2B O Chip select 0, 2 to 4, 5A, 5B, 6A, 6B PCMCIA card select Chip-select signals for external memory or devices. PCMCIA card select signal when PCMCIA is used. RD O Read Indicates reading of data from external devices. RD/ WR O Read/write Read/write signal BS O Bus start Bus-cycle start signal WE3(BE3)/ ICIOWR O Byte write Indicates that bits 31 to 24 of the data in the external memory or device are being written. I/O write strobe signal when PCMCIA is used. WE2(BE2)/ ICIORD O Byte write Indicates that bits 23 to 16 of the data in the external memory or device are being written. I/O read strobe signal when PCMCIA is used. Bus control WE1(BE1)/ WE O Byte write Indicates that bits 15 to 8 of the data in the external memory or device are being written. Memory write strobe signal when PCMCIA is used. |
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