Table of Contents
Advertisement
YMF744B
PIN DESCRIPTION
1. PCI Bus Interface (54-pin)
Name
PCICLK
RST#
AD[31:0]
C/BE[3:0]#
PAR
FRAME#
IRDY#
TRDY#
STOP#
IDSEL
DEVSEL#
REQ#
GNT#
PCREQ#
PCGNT#
PERR#
SERR#
INTA#
SERIRQ#
CLKRUN#
2. AC'97 Interface (8-pin)
Name
CRST#
CMCLK
CBCLK
CSDO
CSYNC
CSDI0
CSDI2
DOCKEN#
I/O
Type
Size
I
P
I
P
IO
Ptr
IO
Ptr
IO
Ptr
IO
Pstr
IO
Pstr
IO
Pstr
IO
Pstr
I
P
IO
Pstr
O
Ptr
I
P
O
Ptr
I
P
IO
Pstr
O
Pod
O
Pod
IO
Ptr
IO
Ptr
I/O
Type
Size
O
T
6mA
O
C
6mA
I
T
-
O
T
6mA
O
T
6mA
I
T
-
I
Tup
-
I
Tup
-
Function
PCI Clock
Reset
Address / Data
Command / Byte Enable
Parity
Frame
Initiator Ready
Target Ready
Stop
ID Select
Device Select
PCI Request
PCI Grant
PC/PCI Request
PC/PCI Grant
Parity Error
System Error
Interrupt signal output for PCI bus
Serialized IRQ
Clock Run
Function
Reset signal for AC'97
Master Clock for AC'97 (24.576MHz)
AC-link: Bit Clock for AC'97 audio data
AC-link: AC'97 Serial audio output data
AC-link: AC'97 Synchronized signal
AC-link: AC'97 Serial audio input data (Primary)
AC-link: AC'97 Serial audio input data (Secondary)
Docking Enable
-5-
February 3, 1999
Advertisement
Table of Contents
