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9154A-10CS16 Datasheet(PDF) 4 Page - Integrated Circuit Systems |
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9154A-10CS16 Datasheet(HTML) 4 Page - Integrated Circuit Systems |
4 / 11 page 4 Integrated Circuit Systems, Inc. 9154A 0174E—03/18/08 Pin Descriptions Frequencies based upon 14.318 MHz input) Note: Internal Pull-up Resistors. * -04 and -10 have no pull-ups or frequency select pins ** -10 has no pull-up or Pin 9 PDFCLK -4 -10 -26 -27 -42 -43 4 44444 VDD P Digital power (3.3 or 5V). 13 13 13 13 13 13 VDD P Digital power (3.3 or 5V). 5 55555 GND P Digital ground. 12 12 12 12 12 12 GDD P Digital ground. 8 88888 AGND P Analog ground. 116 1 16 1 1 FS0 I Frequency select 0 for CPU clock (has internal pull-up).* 16 15 16 15 16 16 FS1 I Frequency select 1 for CPU clock (has internal pull-up).* 10 - 10 10 9 10 FS2 I Frequency select 2 for CPU clock (has internal pull-up).* - - 9 9 - - OE I Tristates outputs when low (has internal pull-up).* ---- 15 15 SLOWCLK# I Slows 2XCPU clock to 8 MHz (active low) (has internal pull-up). ----- 9 STOPCLK#I Stops 2XCPU clock glitch-free (active low) (has internal pull-up). 3 33333 X1 I Crystal In. 2 22222 X2 O Crystal Out. 11 10 11 11 10 11 14.318 MHz O 14.318 MHz reference clock output. - 7 1 - - 1.84 MHz O 1.84 MHz (comm) clock output. 6 11 6666 24 MHz O 24 MHz (floppy disk) clock output. - 6 - - - - 16 MHz O 16 MHz clock output. - - 7 7 - - 12 MHz O 12 MHz keyboard clock output. 7 1 - - 7 7 8 MHz O 8 MHz keyboard clock output. 14 14 14 - 11 - CPUCLK O CPU clock output. 15 - 15 14 14 14 2XCPUCLK O 2X CPU clock output. 9 ---- - PD# I Power-Down All (active low) (has internal pull-up). - 9 - - - - PDFCLK# I Power-Down Fixed Clock (1.84, 8, 16, 24) (active low).* PIN NUMBER PIN NAME TYPE DESCRIPTION |
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