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ML2110 データシート(PDF) 4 Page - OKI electronic componets |
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ML2110 データシート(HTML) 4 Page - OKI electronic componets |
4 / 101 page FEDL2110-01 OKI Semiconductor ML2110 4/101 PIN DESCRIPTIONS Symbol I/O Description D 31-0 I/O 32-bit data bus. 8-bit devices are accessed through D31-24. 16-bit devices are accessed through D31-D16. A23-0 O 24-bit address bus. DRAM addresses are output from A13-0. ROM O ROM select signal. ROM indicates that ROM space is assigned to the specified address. It is used as a chip select signal. SRAM O SRAM select signal. SRAM indicates that SRAM space is assigned to the specified address. It is used as a chip select signal. RD O Read signal. RD is active during both 8-bit and 16-bit reads. WR0-3 O Write signals. WR0 corresponds to writes from D31-24, WR1 corresponds to writes from D23-16, WR2 corresponds to writes from D15-8, and WR3 corresponds to writes from D7-0. RAS O Row address strobe. CAS0-3 O Column address strobe. CAS0 corresponds to accesses from D31-24,CAS1 corresponds to accesses from D23-16, CAS2 corresponds to accesses from D15-8, and CAS3 corresponds to accesses from D7-0. WE O Write enable. WE is active during writes to DRAM space as the DRAM write signal. AS O Address strobe. TXD O Serial data output. RXD I Serial data input. DTR O Control signal indicating SIO can transmit and receive. DSR I Input signal indicating that modem is in operable state. RTS O SIO transmit request signal. CTS I Input signal indicating that modem can transmit. SCLK O Synchronous transfer clock output. PD7-0 I/O Parallel port data input/output. PACK I Parallel port read signal. Set high for Centronics interface. PSTB I Parallel port write signal. Strobe signal for Centronics interface. PCS I Parallel port chip select signal. PIOA I Parallel port address signal. Selects data or status during an access. POBF 3-state Output port buffer full. Indicates that data has been set in the output buffer. PIBF 3-state Input port buffer full. Indicates that there is data in the input buffer. Busy output signal for Centronics interface. UPORT1-0 O General flag output signal. XSYNC I Synchronous transmit clock. BCLK I Shift clock for DOUT. DOUT O Digital signal output. DAO O D/A Converter output. |
同様の部品番号 - ML2110 |
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同様の説明 - ML2110 |
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