YMF724 ETC, YMF724 Datasheet - Page 6

• Manufacturer Part Number: YMF724
• Description: high performance audio controller for the PCI Bus
• Manufacturer: ETC

YMF724F
6. Miscellaneous (15-pin)
7. Power Supply (39-pin)
ROMCS
ROMSK / VOLUP#
ROMDO / VOLDW#
ROMDI / TEST2#
XI24
XO24
TEST[7:4,1:0]#
TEST3#
LOOPF[1:0]
Note) Hardware volume and EEPROM interface can not be used at the same time. When both hardware
PVDD[5:0]
PVSS[14:0]
LVDD
LVSS
VDD3[3:0]
VDD5[3:0]
VSS[7:0]
TYPE
T : TTL
Ttr : Tri-State TTL
Tup : Pull up (Max. 300kohm) TTL
volume and EEPROM are not used, do not connect these pins externally.
name
name
I/O
I/O
IO
IO
IO
O
O
I
I
I
-
-
-
-
-
-
-
-
type
type
Tup
Tup
Tup
Tup
Tup
T
C
C
-
-
-
-
-
-
-
-
A : Analog
C : CMOS
P : PCI
3mA
3mA
3mA
3mA
2mA
Size
Size
-
-
-
-
-
-
-
-
-
-
-
-6-
Chip select for external EEPROM
Serial clock for external EEPROM
or Hardware Volume (Up)
Serial data output for external EEPROM
or Hardware Volume (Down)
24.576 MHz Crystal
Test pins (Do not connect externally)
Test pin (Connect to ground)
Capacitor of PLL
Power supply for PCI Bus Interface (+5.0)
Ground for PCI Bus Interface
Power supply for PLL Filter (+3.3)
Ground for PLL Filter
Power supply (+3.3V)
Power supply (+5.0V)
Ground
Serial data input for external EEPROM or Test pin
(Do not connect externally when EEPROM is not.)
24.576 MHz Crystal
Ptr : Tri-State PCI
Pstr : Sustained Tri-Sate PCI
Pod : Open Drain PCI
function
function
January 14, 1999