参数资料
型号: YMF715E-S
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封装: SQFP-100
文件页数: 24/53页
文件大小: 455K
代理商: YMF715E-S
YMF715E
May 21, 1998
-30-
9-1-3. WSS compatible 16-bit CODEC
The followings are the I/Os for Window Sound System compatibility.
WSS base
(R)
WSS Configuration Register port
WSS base + 3h
(R)
WSS Status Register port
WSS base + 4h
(R/W)
WSS CODEC Index address port
WSS base + 5h
(R/W)
WSS CODEC Index data port
WSS base + 6h
(R/W)
WSS CODEC Status port
WSS base + 7h
(R/W)
WSS CODEC PIO Data port
WSS Configuration Register (RO):
port
D7D6D5
D4D3
D2D1D0
+0h
“0”
IRQ
DMA
This register is used to indicate what resources is assigned and it is read only register.
IRQ:
“0”:
No interrupt channel is available
“1”:
IRQ7 is available
“2”:
IRQ9 is available
“3”:
IRQ10 is available
“4”:
IRQ11 is available
“5”-”7”: reserved.
DMA:
“0”:
No DMA channel is available
“1”:
DMA0
“2”:
DMA1
“3”:
DMA3
“4”-“7”: reserved
Notice)
In the case that CODEC is in Dual DMA mode, only playback DMA channels are valid
and recording DMA channels are ignored.
WSS Status Register (RO):
port
D7D6D5
D4D3
D2D1D0
+03h
SBHC
“0”
“04h”
WSS CODEC Direct Registers (R/W):
port
D7D6D5
D4D3
D2D1D0
+4h
INIT
MCE
TRD
Index Address
+5h
Index Data
+6h
CU/L
CL/R
CRDY
SER
PU/L
P/R
PRDY
INT
+7h
PIO Data
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