diff options
author | Nicola Salmoria <nicola@mamedev.org> | 2008-05-28 08:07:01 +0000 |
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committer | Nicola Salmoria <nicola@mamedev.org> | 2008-05-28 08:07:01 +0000 |
commit | 13c6f7123f8b68d1436d59696c7372b9740b62a5 (patch) | |
tree | db541117f3054de171ad1621f9b8b36bd10034b4 | |
parent | 5f1420553590979258902101c981838ec6b4d9ce (diff) |
clock verified on pcb
-rw-r--r-- | src/mame/drivers/zaccaria.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/mame/drivers/zaccaria.c b/src/mame/drivers/zaccaria.c index 990f4276c6e..a20366828eb 100644 --- a/src/mame/drivers/zaccaria.c +++ b/src/mame/drivers/zaccaria.c @@ -686,8 +686,7 @@ static MACHINE_DRIVER_START( zaccaria ) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80) /* There is no xtal, the clock is obtained from a RC oscillator as shown in the TMS5220 datasheet (R=100kOhm C=22pF) */ - /* 565kHz measured on pin 6, however this likely interfered with the RC oscillator. */ - /* Waiting for proper measure to be taken on pin 3. */ + /* 162kHz measured on pin 3 20 minutesa fter power on. Clock would then be 162*4=648kHz. */ MDRV_SOUND_ADD(TMS5200, 640000) MDRV_SOUND_CONFIG(tms5220_interface) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.80) |