参数资料
型号: YMF724
厂商: Yamaha Corporation
英文描述: high performance audio controller for the PCI Bus
中文描述: 高性能音频控制器的PCI总线
文件页数: 31/50页
文件大小: 268K
代理商: YMF724
YMF724F
January 14, 1999
-37-
2-3. MPU401
This block is for transmitting and receiving MIDI data.
It is compatible with UART mode of “MPU401”.
Full duplex operation is possible using the 16-byte FIFO for each direction, transmitting and receiving.
The following shows the MPUBase I/O map for MPU401.
MPUBase
(R/W)
MIDI Data port
MPUBase + 1h
(R)
Status Register port
MPUBase + 1h
(W)
Command Register port
port
D7
D6D5D4
D3D2
D1D0
+0h
Data
+1h (W)
Command
+1h (R)
/DSR
/DRR
--
2-4. Joystick
JSBase
(R/W)
port
D7
D6D5D4
D3D2
D1D0
+0h
JBB2
JBB1
JAB2
JAB1
JBCY
JBCX
JACY
JACX
JACX...
Joystick A, Coordinate X
JACY...
Joystick A, Coordinate Y
JBCX...
Joystick B, Coordinate X
JBCY...
Joystick B, Coordinate Y
JAB1...
Joystick A, Button 1
JAB2...
Joystick A, Button 2
JBB1...
Joystick B, Button 1
JBB2...
Joystick B, Button 2
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YMF724F 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:high performance audio controller for the PCI Bus
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