16-BIT SERIAL BUS CONTROLLER
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Description
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MITSUBISHI MITSUBISHI 〈DIGITAL 〈DIGITAL ASSP ASSP 〉 〉
M66014FP M66014FP
16-BIT SERIAL BUS CONTROLLER 16-BIT SERIAL BUS CONTROLLER
DESCRIPTION M66014 Semiconductor Integrated Circuit is a serial bus controller. It converts 2-byte parallel data that arrives from microcomputer into serial and outputs it to serial bus. It also converts serial data input from serial bus into parallel and outputs 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 busses 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)
RESET INPUT RESET WRITE INPUT CHIP SELECT INPUT WR CS D0 D1 D2 DATA BUS D3 D4 D5 D6 D7 GND
1 2 3 4
24 23 22 21
VCC RD A0 A1 READ INPUT ADDRESS INPUT
M66014FP
5 6 7 8 9 10 11 12
20 19 18 17 16 15 14 13
SCLK SHIFT CLOCK OUTPUT SOUT SERIAL DATA OUTPUT SIN OE INT Xin Xout VCC SERIAL DATA INPUT OUTPUT ENABLE OUTPUT INTERRUPT OUTPUT CLOCK INPUT CLOCK OUTPUT
Outline 24P2N-B
BLOCK DIAGRAM
A1 21 RESET INPUT RESET 1 CHIP SELECT IN...
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