CMI-8738 Datasheet, PDF (6/28 Pages) C-Media Electronics – C3DX PCI-Based HRTF 3D Extension Positional Audio Chip

Ver. 1.2
CMI-8738/PCI-SX AUDIO Specification
Configuration
CMI8738 PCI Configuration Spaces
00h 13F6 : (Vender ID) read only
02h 0111 : (Device ID) read only
04h 0006 : Command (State after #RST all is “0”)
0 (bit 9) Fast back-to-back enable
0 (bit 8) #SERR enable (R/W)
0 (bit 7) Wait cycle control
0 (bit 6) Parity error response
0 (bit 5) VGA palette snoop
0 (bit 4) Memory write and invalidate enable
0 (bit 3) Special cycles
1 (bit 2) Bus master (R/W)
0 (bit 1) Memory space
1 (bit 0) I/O space (R/W)
06h 0280 : Status
0 (bit 15) Detected Parity Error
0 (bit 14) Signaled System Error
0 (bit 13) Received Master Abort
0 (bit 12) Received Target Abort
0 (bit 11) Signaled Target Abort
01 (bits 10-9) DEVSEL timing 00-fast, 01-medium, 10-slow
0 (bit 8) Data Parity Error Detected
1 (bit 7) Fast Back-to-Back Capable
0 (bit 6) UDF Supported
0 (bit 5) 0-33MHz ,1-66MHZ Capable
00000 (bits 4-0) Reserved
08h 10 : Revision ID
09h 040100 : Audio device
0Ch 00 : Cache Line Size
0Dh 20 : Latency Timer
0Eh 80 : Header Type
0Fh 00 : BIST
C-MEDIA ELECTRONICS INC. Tel:[phone] Fax:[phone] URL : www.cmedia.com.tw
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