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r21164 Monday 18th February, 2013 at 17:13:19 UTC by R. Belmont
xtal.h: show the reason 16.9344 and 18.432 MHz are popular (nw)
[src/emu/drivers]xtal.h

trunk/src/emu/drivers/xtal.h
r21163r21164
130130   XTAL_15_36MHz       = 15360000,     /* Visual 1050 */
131131   XTAL_15_468MHz      = 15468480,     /* Bank Panic h/w, Sega G80 */
132132   XTAL_16MHz          = 16000000,     /* Extremely common, used on 100's of PCBs */
133   XTAL_16_9344MHz     = 16934400,     /* Usually used to drive 90's Yamaha OPL/FM chips */
133   XTAL_16_9344MHz     = 16934400,     /* Usually used to drive 90's Yamaha OPL/FM chips (44100 * 384) */
134134   XTAL_17_36MHz       = 17360000,     /* OMTI Series 10 SCSI controller */
135135   XTAL_17_73447MHz    = 17734470,     /* (~4x PAL subcarrier) */
136136   XTAL_17_734472MHz   = 17734472,     /* actually ~4x PAL subcarrier */
137137   XTAL_18MHz          = 18000000,     /* S.A.R, Ikari Warriors 3 */
138   XTAL_18_432MHz      = 18432000,     /* Extremely common, used on 100's of PCBs */
138   XTAL_18_432MHz      = 18432000,     /* Extremely common, used on 100's of PCBs (48000 * 384) */
139139   XTAL_18_720MHz      = 18720000,     /* Nokia MikroMikko 1 */
140140   XTAL_19_6MHz        = 19600000,     /* Universal Mr. Do - Model 8021 PCB */
141141   XTAL_19_6608MHz     = 19660800,     /* Euro League (bootleg), labeled as "UKI 19.6608 20PF" */

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