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Registers – FUJITSU MB91460 SERIES FR60 User Manual

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865

Chapter 42 Sound Generator

3.Registers

3. Registers

7

6

5

4

3

2

1

0

TST

DEC

SGCRL

(R/W)

(R/W)

(R/W)

(R/W)

(0)

(0)

(0)

(0)

Bit number

Sound Control register

Address: 000199

H

Read/write

Initial value

15

14

13

12

11

10

9

8

S1

S0

TONE

INTE

INT

ST

SGCRH

Bit number

Read/write

Initial value

Address: 000198

H

15

14

13

3

2

1

0

D15

D14

D13

D3

D2

D1

D0

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(X)

(X)

(X)

(X)

(X)

(X)

(X)

(X)

SGFR

Bit number

Read/write

Initial value

Frequency Data register

Address: 00019A

H

15

14

13

12

11

10

9

8

D7

D6

D5

D4

D3

D2

D1

D0

SGAR

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(0)

(0)

(0)

(0)

(0)

(0)

(0)

(0)

Bit number

Read/write

Initial value

Amplitude Data register

Address: 00019C

H

(R/W)

(0)

(R)

(0)

(0)

(R/W)

7

6

5

4

3

2

1

0

SGDR

Bit number

Read/write

Initial value

Decrement Grade register

Address: 00019F

H

15

14

13

12

11

10

9

8

SGTR

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(X)

(X)

(X)

(X)

(X)

(X)

Bit number

Read/write

Initial value

Tone Count register

Address: 00019E

H

BUSY

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(R/W)

(X)

(X)

(X)

(X)

(X)

(X)

(X)

(X)

D7

D6

D5

D4

D3

D2

D1

D0

D7

D6

D5

D4

D3

D2

D1

D0

(R/W)

(R/W)

(X)

(X)

S2

(R/W)

(0)

(R/W)

(0)

(R/W)

(0)