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HDSP2115S Datasheet(PDF) 3 Page - Siemens Semiconductor Group |
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HDSP2115S Datasheet(HTML) 3 Page - Siemens Semiconductor Group |
3 / 13 page 3 HDSP2110S/1S/2S/3S/4S/5S Figure 3. Read cycle timing diagram Cascading Displays The HDSP211XS oscillator is designed to drive up to 16 other HDSP211XSs with input loading of 15 pF each. The following are the general requirements for cascading 16 displays together: • Determine the correct address for each display. • Use CE from an address decoder to select the correct display. • Select one of the Displays to provide the clock for the other displays. Connect CLKSEL to VCC for this display. • Tie CLKSEL to ground on other displays. • Use RTS to synchronize the blinking between the displays. Figure 4. Cascading diagram Tacc Trd Tdf Tr Tces Tcer Tceh Tacs Tach Tacs A0-A3 FL Tce CE RD D0-D7 RD WR FL RST CLK I/O CLKSEL D0-D7 A0-A4 CE Display D0-D7 A0-A4 CE Up to14 More Displays in between Address Decode Chip 1 to 14 Address Data I/O RD WR FL RST VCC A6 A7 A8 A9 Address Decoder RD WR FL RST CLK I/O CLKSEL 0 15 Display |
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Similar Description - HDSP2115S |
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