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M66014FP Datasheet(PDF) 1 Page - Mitsubishi Electric Semiconductor |
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M66014FP Datasheet(HTML) 1 Page - Mitsubishi Electric Semiconductor |
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1 MITSUBISHI 〈DIGITAL ASSP〉 M66014FP 16-BIT SERIAL BUS CONTROLLER PRELIMINARY Notice: This is not a final specification. Some parametric limits are subject to change. MITSUBISHI 〈DIGITAL ASSP〉 M66014FP 16-BIT SERIAL BUS CONTROLLER DESCRIPTION M66014 Semiconductor Integrated Circuit is a serial bus con- troller. It converts 2-byte parallel data that arrives from micro- computer into serial and outputs it to serial bus. It also converts serial data input from serial bus into parallel and out- puts it to microcomputer. The M66014 is used for the extension of microcomputer I/O ports and two-way communication with peripheral equipment connected with serial buses. FEATURES • Compatible with general-purpose 8-bit microprocessor bus- ses • TTL level input (one microcomputer side) • Interrupt output • Schmitt input (RESET, CS, SIN) • Pin arrangement is fully compatible with M66011FP • Low power dissipation • Wide operating temperature range (Ta = –20 to 75˚C) APPLICATION Microcomputer I/O port extension, etc. PIN CONFIGURATION (TOP VIEW) BLOCK DIAGRAM 21 A1 22 A0 1 RESET 3 CS 2 WR 23 RD 15 CLOCK INPUT 14 CLOCK OUTPUT 4 5 6 7 8 9 10 11 D0 D1 D2 D3 D4 D5 D6 D7 DATA BUS 20 SCLK 16 INT 17 OE 19 SOUT 18 SIN Xin Xout RESET INPUT CHIP SELECT INPUT WRITE INPUT READ INPUT Shift register for lower byte serial output (8 bits) Shift register for upper byte serial output (8 bits) Read register Timing control circuit Oscillation circuit Shift register for serial input (16 bit) 8 8 8 8 CLK SRL SRU CLK, LOAD CLK, LOAD SHIFT CLOCK OUTPUT INTERRUPT OUTPUT OUTPUT ENABLE OUTPUT SERIAL DATA OUTPUT SERIAL DATA INPUT X8 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 RESET WR CS D0 D1 D2 D3 D4 D5 D6 D7 GND VCC RD A0 A1 SCLK SOUT SIN OE INT Xin Xout VCC Outline 24P2N-B RESET INPUT WRITE INPUT CHIP SELECT INPUT DATA BUS READ INPUT ADDRESS INPUT SHIFT CLOCK OUTPUT SERIAL DATA OUTPUT SERIAL DATA INPUT OUTPUT ENABLE OUTPUT INTERRUPT OUTPUT CLOCK INPUT CLOCK OUTPUT |
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