CS4237B Datasheet, PDF (110/114 Pages) Cirrus Logic – CrystalClear Advanced Audio System with 3D Sound

CS4237B
APPENDIX A: TYPICAL MOTHERBOARD E²PROM DATA
; EEPROM Validation Bytes
DB
055H, 0BBH
; EEPROM Validation Bytes: CS4237B
DB
001H
DB
00FH
; EEPROM data length upper byte
; lower byte, Listed Size = 271
; Hardware Configuration Data
DB
000H
DB
003H
DB
080H
DB
080H
DB
00BH
DB
020H
DB
004H
DB
008H
DB
010H
DB
080H
DB
000H
DB
000H
; ACDbase Addr. Mask Length = 1 bytes
; COMbase Addr. Mask Length = 4 bytes
; MCB: IHCD
; GCB1: IFM
; Code Base Byte
; RESERVED
; RESERVED
; RESERVED
; RESERVED
; RESERVED
; RESERVED
; RESERVED
; Hardware Mapping Data
DB
000H
DB
048H
DB
075H
DB
0B9H
DB
0FCH
DB
010H
DB
003H
; 00=4/08=8 peripheral port size, XCTL0/XA2
; RESERVED
; IRQ selection A & B - B= 7, A=5
; IRQ selection C & D - D=11, C=9
; IRQ selection E & F - F=15, E=12
; DMA selection A & B - B= 1, A=0
; DMA selection C
-
C=3
; PnP Resource Header - PnP ID for CS4237B IC, OEM ID = 42
DB
00EH, 063H, 042H, 037H, 0FFH,0FFH,0FFH,0FFH,030H ; CSC4237 FFFFFFFF
DB
00AH, 010H, 001H
; PnP version 1.0, Vender version 0.1
DB
082H, 009H, 000H, ’CMB4237B’, 000H ; ANSI ID
; LOGICAL DEVICE 0 (Windows Sound System & SBPro)
DB
015H, 00EH, 063H, 000H, 000H, 000H ; EISA ID: CSC0000
DB
082H, 007H, 000H, ’WSS/SB’, 000H ; ANSI ID
DB
031H, 000H
; DF Best Choice
DB
02AH, 002H, 028H
; DMA: 1 - WSS & SBPro
DB
02AH, 009H, 028H
; DMA: 0,3 - WSS & SBPro capture
DB
022H, 020H, 000H
; IRQ: 5 Interrupt Select 0
DB
047H, 001H, 034H, 005H, 034H, 005H, 004H, 004H ;16b WSSbase: 534
DB
047H, 001H, 088H, 003H, 088H, 003H, 008H, 004H ;16b SYNbase: 388
DB
047H, 001H, 020H, 002H, 020H, 002H, 020H, 010H ;16b SBbase: 220
DB
031H, 001H
DB
02AH, 00AH, 028H
DB
02AH, 00BH, 028H
DB
022H, 0A0H, 09AH
; DF Acceptable Choice 1
; DMA: 1,3 - WSS & SBPro
; DMA: 0,1,3 - WSS & SBPro capture
; IRQ: 5,7,9,11,12,15 Interrupt Select 0
110
DS213PP4