ymf744 ETC-unknow, ymf744 Datasheet - Page 9
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ymf744
Manufacturer Part Number
ymf744
Description
Ds-1s
Manufacturer
ETC-unknow
Datasheet
1.YMF744.pdf
(60 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ymf744B-R
Manufacturer:
YAMAHA
Quantity:
20 000
Part Number:
ymf744B-V
Manufacturer:
YAMA
Quantity:
20 000
1. PCI INTERFACE
YMF744B
1-1. PCI Bus Command
1-1-1. Target Device Mode
1-1-2. Master Device Mode
DS-1S supports the PCI bus interface and complies to PCI revision 2.2.
DS-1S supports the following PCI Bus commands.
DS-1S does not assert DEVSEL# when accessed with commands that are indicated as (not supported) or
reserved.
When DS-1S becomes a Master Device, it generates only memory write and read cycle commands.
FUNCTION OVERVIEW
C/BE[3:0]#
C/BE[3:0]#
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Command
Interrupt Acknowledge (not support)
Special Cycle (not support)
I/O Read
I/O Write
reserved
reserved
Memory Read
Memory Write
reserved
reserved
Configuration Read
Configuration Write
Memory Read Multiple (not support)
Dual Address Cycle (not support)
Memory Read Line (not support)
Memory Write and Invalidate (not support)
Command
Memory Read
Memory Write
-9-
February 3, 1999