YMF724F

00 - 01h: Vendor ID

Read Only

Default: 1073h

Access Bus Width: 8, 16, 32-bit

b15

b14

b13

b12

b11

b10

b9

b8

b7

b6

b5

b4

b3

b2

b1

b0

Vendor ID

b[15:0]

Vendor ID

This register contains the YAMAHA Vendor ID registered in Revision 2.1. This register is hardwired to

1073h.

02 - 03h: Device ID

Read Only

Default: 000Dh

Access Bus Width: 8, 16, 32-bit

b15

b14

b13

b12

b11

b10

b9

b8

b7

b6

b5

b4

b3

b2

b1

b0

Device ID

b[15:0]

Device ID

This register contains the Device ID of DS-1. This register is hardwired to 000Dh.

04 - 05h: Command

Read / Write

Default: 0000h

Access Bus Width: 8, 16, 32-bit

 

b15

b14

 

b13

b12

b11

b10

b9

b8

b7

b6

b5

b4

b3

b2

b1

b0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

-

 

-

-

-

-

-

SER

-

PER

-

-

-

BME

MS

-

b1

 

MS: Memory Space

 

 

 

 

 

 

 

 

 

 

 

This bit enables DS-1 to response to Memory Space Access.

“0”: DS-1 ignores Memory Space Access.(default)

“1”: DS-1 responds to Memory Space Access.

b2

BME: Bus Master Enable

This bit enables DS-1 to act as a master device on the PCI bus.

“0”: Do not set DS-1 to be the master device.(default)

“1”: Set DS-1 to be the master device.

b6

PER: Parity Error Response

This bit enables DS-1 responses to Parity Error. “0”: DS-1 ignores all parity errors.

“1”: DS-1 performs error operation when DS-1 detects a parity error.

September 21, 1998

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Yamaha YMF724F specifications 00 01h Vendor ID, 02 03h Device ID, 04 05h Command