CS8920 datasheet(50/66 Pages) CIRRUS

50 / 66 page

AN84REV1

CS8920 Technical Reference Manual

;--------------------------------------------------------------

; Logical Device ID

;--------------------------------------------------------------

0x15

; Small Item flag

0x0E

; Vendor EISA ID Byte 0

0x63

; Vendor EISA ID Byte 1

0x00

; Vendor Product ID Byte 0

0x40

; Vendor Product ID Byte 1

0x03

; Supports I/O range check, boot device

;---------------------------------------------------------------

; IRQ Format - byte 3 omitted, assume ISA compatible edge sensitive

;---------------------------------------------------------------

0x22

; Small Item, IRQ format

0xF8

; Can use IRQ, 3,4,5,6,7

0xDE

; Can use IRQ 9-12,14,15

;---------------------------------------------------------------

; DMA Format

;---------------------------------------------------------------

0xDE

; Small Item, DMA format

0xE0

; DMA Mask, Channels 5,6,7

0x12

; 16-bit only, execute in count by word mode

;---------------------------------------------------------------

; IO Port Descriptor

;---------------------------------------------------------------

0x47

; Small Item, IO port descriptor

Figure 3.4.1. Example PnP Resource Data Record (part 2 of 4).

CS8920 Datasheet(PDF) 50 Page - Cirrus Logic