Crystal CS4281, Руководство по программированию

Страница: 94 / 231

Confidential Draft 3/7/00
CS4281 Programming Manual
94 DS308PRM1
20-bit signed FIFO data
31 23 15 7
byte 3 byte 2 byte 1 byte 0
Host Memory
0
0 0
0h
0 19 20 39
0h
8BitM
00h 00h
00 8BitM 8BitM 00
L ChL LChr R ChH R ChL RChr L ChH
20-bit signed FIFO data
31 23 15 7
byte 3 byte 2 byte 1 byte 0
Host Memory
0
0 0
0h
0 19 20 39
0h
8BitC2 8BitC1
00h 00h
00 8BitC1 8BitC2 00
L ChL LChr R ChH R ChL RChr L ChH
Figure 31. 8-Bit Formats
31 23 15 7
byte 3 byte 2 byte 1 byte 0
0
0 0
0h
0 19 20 39
0h
16BitM H 16BitM L
16BitM H 16BitM H 16BitM L 16BitM L
20-bit signed FIFO data
Host Memory
L ChL LChr R ChH R ChL RChr L ChH
20-bit signed FIFO data
31 23 15 7
byte 3 byte 2 byte 1 byte 0
Host Memory
0
0 0
0h
0 19 20 39
0h
16BitC1 H 16BitC1 L 16BitC2 H 16BitC2 L
16BitC1 H 16BitC1 L 16BitC2 H 16BitC2 L
L ChL LChr R ChH R ChL RChr L ChH
Figure 32. 16-Bit Little-Endian Formats
31 23 15 7
byte 3 byte 2 byte 1 byte 0
0
0 19 20 39
20BitC1 H 20BitC1 L
20-bit signed FIFO data
Host Memory
20BitC1
r
Left
transfer
20BitC1
r
20BitC1 L 20BitC1 H
L ChL LChr R ChH R ChL RChr L ChH
31 23 15 7
byte 3 byte 2 byte 1 byte 0
0
0 19 20 39
20BitC2 H 20BitC2 L
20-bit signed FIFO data
Host Memory
20BitC2
r
Right
transfer
20BitC1
r
20BitC1 L 20BitC1 H
20BitC2
r
20BitC2 L 20BitC2 H
L ChL LChr R ChH R ChL RChr L ChH
31 23 15 7
byte 3 byte 2 byte 1 byte 0
0
0 19 20 39
20BitL H 20BitL L
20-bit signed FIFO data
Host Memory
20BitL r
Left or
Mono
transfer
20BitL r 20BitL L 20BitL H
L ChL LChr R ChH R ChL RChr L ChH
00h 0h
0h 00h
31 23 15 7
byte 3 byte 2 byte 1 byte 0
0
0 19 20 39
20BitR H 20BitR L
20-bit signed FIFO data
Host Memory
20BitRr
Right
transfer
20BitR r
20BitR L 20BitR H
L ChL LChr R ChH R ChL RChr L ChH
00h 0h
0h 00h
Figure 33. 20-Bit Stereo Little-Endian Formats
D
ra
ft