YMF740C Datasheet, PDF (4/44 Pages) List of Unclassifed Manufacturers – DS-1L

YMF740C
3. AC’97 Interface (6-pin)
name
CRST#
CMCLK
CBCLK
CSDO
CSDI
CSYNC
I/O Type
O
T
O
C
I
T
O
T
I
T
O
T
Size
6mA
-
-
6mA
-
6mA
function
Reset signal for AC’97
Master Clock of AC link (24.576MHz) and
AC-link: Bit Clock for AC’97 audio data
AC-link: AC‘97 Serial audio output data
AC-link: AC’97 Serial audio input data
AC-link: Synchronized signal
4. Miscellaneous (14-pin)
name
VOLUP#
VOLDW#
XI24
XO24
TEST[7:4,2:0]#
TEST3#
LOOPF[1:0]
I/O type
I Tup
I Tup
I
C
O
C
I Tup
IO Tup
-
-
size
-
-
-
2mA
-
3mA
-
function
Hardware Volume (Up)
Hardware Volume (Down)
24.576 MHz Crystal
24.576 MHz Crystal
Test pins (Do not connect externally)
Test pin (Connect to ground)
Capacitor of PLL
5. Power Supply (39-pin)
name
PVDD[5:0]
PVSS[14:0]
LVDD
LVSS
VDD3[3:0]
VDD5[3:0]
VSS[7:0]
I/O type
-
-
-
-
-
-
-
-
-
-
-
-
-
-
size
function
- 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
TYPE
T : TTL
Ttr : Tri-State TTL
Tup : Pull up (Max. 300kohm) TTL
A : Analog
C : CMOS
P : PCI
Ptr : Tri-State PCI
Pstr : Sustained Tri-Sate PCI
Pod : Open Drain PCI
Note) All pins except the above pins are NC (No Connection) pins. Do not connect externally.
January 14, 1999
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