參數(shù)資料
型號(hào)： CMI-8738
廠商： C-Media Electronics Inc.
英文描述： C3DX PCI-Based HRTF 3D Extension Positional Audio Chip
中文描述： C3DX基于PCI的HRTF的3D定位音效芯片擴(kuò)展
文件頁數(shù)： 22/28頁
文件大小： 512K
代理商： CMI-8738
C-MEDIA ELECTRONICS INC. Tel:886-2-87731100
Fax:886-2-87732211
URL : www.cmedia.com.tw
Products and company names mentioned here are the trademarks of their respective owners.
CMI-8738/PCI-SX AUDIO Specification
3
Ver. 1.2
DIGITAL PIN DESCRIPTION
Name
Number
PIN
Type
Definition
XA31-XA0
126-128,1-2,5-7,12-16,19-21,32
-35,38-41,43-44,47-52
I/O
PCI bus address and data lines
XINTA
117
O
Interrupt request , active-low.
XPRST
119
I
Reset
XCLK33
120
I
PCI bus clock.
XGNT
121
I
Bus master grant, active-low.
XREQ
122
O
Bus master request, tri-state
output, active-low.
XIDSEL
9
I
ID select, active-high.
XFRAME
23
I/O
Cycle frame, active-low.
XIRDY
24
I/O
Initiator ready, active-low. The bus
master device is ready to transmit
or receive data
XTRDY
25
I/O
Target ready, active-low. The target
device is ready to transmit or
receive data
XDEVSEL
26
I/O
Device select, active-low. The
target device has decoded the
address of the current transaction
as its own chip select range.
XSTOP
29
I/O
Stop transaction, active-low. The
target device request to the master
to stop the current transaction.
XPAR
30
I/O
Parity. The pin indicates even parity
across XA31-XA9 and XCBE3-0 for
both address and data phases.
XCBE3,2,1,0 8,22,31,42
I/O
Multiplexed command/byte enable.
These pins indicate cycle type
during the address phase of a
transaction.
VDD
4,10,18,27,37,45,54,115,124
+5V
Digital and PCI I/O power pin
GND
3,11,17,28,36,46,53,114,116,12
5
GND
Digital and PCI I/O ground
XIN
55
I
14.318Mhz crystal, or external clock
input
XOUT
56
O
14.318Mhz crystal
XGD7-XGD4 97-94
I
Game port switch input pin.
Switch D to switch A
XGD3-XGD0 93-90
I/O
Game port resistor input pin.
RC3 to RC0
XTXD
88
O
MIDI transmit data
XRXD
89
I
MIDI receive data
XBIO3-XBIO
0
109-112
I/O
General purpose I/O
VDD5V
83
+5V
Digital and PCI I/O power pin
VDDM
100
+5V
Digital and PCI I/O power pin
DGND
99
GND
Digital and PCI I/O ground
XEECS
84
O
EEPROM chip select
PIN DESCRIPTION
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