YMF754-V ETC, YMF754-V Datasheet - Page 14

• Manufacturer Part Number: YMF754-V
• Description: DS-1E
• Manufacturer: ETC

YMF754
0Dh: Latency Timer
0Eh: Header Type
10-13h: PCI Audio Memory Base Address
b[7:0] ..........Latency Timer
b[7:0] ..........Header Type
b[31:15] ......MBA: Memory Base Address
MBA
When DS-1E becomes a Bus Master device, this register indicates the initial value of the Master Latency
Timer.
This register indicates the device type of DS-1E. This is hardwired to 00h.
This register indicates the physical Memory Base address of the PCI Audio registers in DS-1E. The base
address can be located anywhere in the 32-bit address space.
prefetchable.
Size of the register to be mapped into the memory space is 32,768 bytes.
b15
b31
b7
b7
Read / Write
Default: 00h
Access Bus Width: 8, 16, 32-bit
Read Only
Default: 00h
Access Bus Width: 8, 16, 32-bit
Read / Write
Default: 00000000h
Access Bus Width: 8, 16, 32-bit
b14
b30
b6
b6
-
b13
b29
b5
b5
-
Latency Timer
Header Type
b12
b28
b4
b4
-
b11
b27
b3
b3
-
b10
b26
b2
b2
-
b25
b1
b1
b9
-
-14-
MBA (higher)
b24
b0
b0
b8
-
b23
b7
-
b22
b6
-
Data in the DS-1E register is not
b21
b5
-
b20
b4
-
b19
b3
-
June 28, 1999
b18
b2
-
b17
b1
-
b16
b0
-