Yamaha YMF724F specifications 08h Revision ID, 09h Programming Interface, 0Ah Sub-class Code

YMF724F

08h: Revision ID

Read Only

Default: 03h

Access Bus Width: 8, 16, 32-bit

b7

b6

b5

b4

b3

b2

b1

b0

Revision ID

b[7:0] Revision ID

This register contains the revision number of DS-1. This register is hardwired to 03h.

09h: Programming Interface

Read Only

Default: 00h

Access Bus Width: 8, 16, 32-bit

b7

b6

b5

b4

b3

b2

b1

b0

Programming Interface

b[7:0] ..........Programming Interface

This register indicates the programming interface of DS-1. This register is hardwired to 00h.

0Ah: Sub-class Code

Read Only

Default: 01h

Access Bus Width: 8, 16, 32-bit

b7

b6

b5

b4

b3

b2

b1

b0

Sub-class Code

b[7:0] ..........Sub-class Code

This register indicates the sub-class of DS-1. This register is hardwired to 01h. DS-1 belongs to the Audio Sub-class.

0Bh: Base Class Code

Read Only

Default: 04h

Access Bus Width: 8, 16, 32-bit

b7

b6

b5

b4

b3

b2

b1

b0

Base Class Code

b[7:0] ..........Base Class Code

This register indicates the base class of DS-1. This register is hardwired to 04h. DS-1 belongs to the Multimedia Base Class.

September 21, 1998

-13-