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| MIC10937/10957 Micrel MIC10937 V. F. Alphanumeric Display Controller General Description The MIC10937 Alphanumeric Display Controllers is a MOS/ LSI general purpose display controllers designed to interface to segmented displays (vacuum fluorescent or LED). The MIC10937 will drive displays with up to 16 characters with 14 or 16 segments. Segment decoding within each device provides for the ASCII character set (upper case only). No external driver circuitry is required for displays that operate on 20mA of drive current up to 50V. A 16 x 64-bit segment decoder provides internal ASCII character set decoding for the display. Features * * * * * * 16-character display with decimal point and comma tail 14 or 16-segment drivers Up to 66kHz data rate Direct digit drive and 20mA at 50V Supports vacuum fluorescent or LED displays 64 x 16-bit PLA provides segment decoding for ASCII character set (all caps only) * Serial data input for 8-bit display and control data words * 40-pin DIP or 44-pin PLCC Ordering Information Part Number MIC10937J-40 MIC10937P-40/ MIC10937P-50 MIC10937PE-40/ MIC10937PE-50 Micrel has received the rights from Rockwell International to manufacture and market this product and reproduce the specifications, including references to Rockwell. Drive 40V 50V 50V Temp. Range 0C to +70C 0C to +70C -40C to +85C Package 44-pin PLCC 40-pin P-DIP 40-pin P-DIP Dual-marked devices replace both 40V and 50V versions Block Diagram DATA SCLK TIMING AND CONTROL 6 x 16 DISPLAY DATA BUFFER 2 x 16 DECIMAL POINT COMMA TAIL BUFFER 64 x 16 PLA SEGMENT DECODER POR VSS VDD A DIGIT DRIVERS (GRID) SEGMENT DRIVERS (ANODE) SGA SGB SGC SGD SGE SGF SGG SGH SGI SGJ SGK SGL SGM SGN SGO SGP PNT TAIL October 1998 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD8 AD9 AD10 AD11 AD12 AD13 AD14 AD15 AD16 1 MIC10937/10957 |
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