参数资料
型号: YMF744B
厂商: Electronic Theatre Controls, Inc.
英文描述: DS-1S
中文描述: 的DS - 1秒
文件页数: 45/60页
文件大小: 303K
代理商: YMF744B
YMF744B
February 3, 1999
-5-
PIN DESCRIPTION
1. PCI Bus Interface (54-pin)
Name
I/O
Type
Size
Function
PCICLK
I
P
PCI Clock
RST#
I
P
Reset
AD[31:0]
IO
Ptr
Address / Data
C/BE[3:0]#
IO
Ptr
Command / Byte Enable
PAR
IO
Ptr
Parity
FRAME#
IO
Pstr
Frame
IRDY#
IO
Pstr
Initiator Ready
TRDY#
IO
Pstr
Target Ready
STOP#
IO
Pstr
Stop
IDSEL
I
P
ID Select
DEVSEL#
IO
Pstr
Device Select
REQ#
O
Ptr
PCI Request
GNT#
I
P
PCI Grant
PCREQ#
O
Ptr
PC/PCI Request
PCGNT#
I
P
PC/PCI Grant
PERR#
IO
Pstr
Parity Error
SERR#
O
Pod
System Error
INTA#
O
Pod
Interrupt signal output for PCI bus
SERIRQ#
IO
Ptr
Serialized IRQ
CLKRUN#
IO
Ptr
Clock Run
2. AC’97 Interface (8-pin)
Name
I/O
Type
Size
Function
CRST#
O
T
6mA
Reset signal for AC’97
CMCLK
O
C
6mA
Master Clock for AC’97 (24.576MHz)
CBCLK
I
T
-
AC-link: Bit Clock for AC’97 audio data
CSDO
O
T
6mA
AC-link: AC’97 Serial audio output data
CSYNC
O
T
6mA
AC-link: AC’97 Synchronized signal
CSDI0
I
T
-
AC-link: AC’97 Serial audio input data (Primary)
CSDI2
I
Tup
-
AC-link: AC’97 Serial audio input data (Secondary)
DOCKEN#
I
Tup
-
Docking Enable
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YMF752 AC97 Rev2.1 Audio CODEC with SRC
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