536
CHAPTER 25 SOUND GENERATOR
25.2.1
Sound Generator Control Register
The sound control register controls the operation status of the sound generator by
controlling interrupts and setting the external output pins.
■
Sound Generator Control Register (Lower)
Figure 25.2-2 Configuration of the Sound Generator Control Register (Lower Byte)
b
it 0
S
T
S
t
a
rt
b
it
0
S
top oper
a
tion
1
S
t
a
rt oper
a
tion
b
it 1
INT
Interr
u
pt
b
it
re
a
d
write
0
no interr
u
pt
cle
a
r interr
u
pt
1
interr
u
pt re
qu
e
s
t
no effect
b
it 2
INTE
Interr
u
pt en
ab
le
b
it
0
Interr
u
pt di
sab
led
1
Interr
u
pt en
ab
led
b
it
3
OE1
Amplit
u
de o
u
tp
u
t en
ab
le
b
it
0
Gener
a
l p
u
rpo
s
e pin
1
S
GA O
u
tp
u
t en
ab
led
b
it 4
OE2
S
o
u
nd o
u
tp
u
t en
ab
le
b
it
0
Gener
a
l p
u
rpo
s
e pin
1
S
GO O
u
tp
u
t en
ab
led
b
it 5
TONE
Tone o
u
tp
u
t
b
it
0
Tone
a
nd PWM mixed
1
S
GO o
u
tp
u
t
b
it 7
b
it 6
S
1
S
0
Oper
a
tion clock
s
elect
b
it
0
0
M
a
chine clock
0
1
1/2 m
a
chine clock
1
0
1/4 m
a
chine clock
1
1
1/
8
m
a
chine clock
R/W
:
Re
a
d
ab
le
a
nd writ
ab
le
:
Initi
a
l v
a
l
u
e
Initi
a
l v
a
l
u
e
0 0 0 0 0 0 0 0
B
R/W R/W R/W R/W
R/W
R/W
R/W R/W
Addre
ss
:
H
00005E
S
GCR (lower)
7
b
it
6
5
4
3
2
1
0
S
1
S
0
TONE OE2
OE1
INTE
INT
S
T
Содержание MB90390 Series
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Страница 17: ...xiii APPENDIX D List of Interrupt Vectors 690 INDEX 695 ...
Страница 18: ...xiv ...
Страница 132: ...104 CHAPTER 5 CLOCKS ...
Страница 152: ...124 CHAPTER 6 CLOCK MODULATOR ...
Страница 210: ...182 CHAPTER 11 TIME BASE TIMER ...
Страница 218: ...190 CHAPTER 12 WATCHDOG TIMER ...
Страница 264: ...236 CHAPTER 14 16 BIT RELOAD TIMER WITH EVENT COUNT FUNCTION ...
Страница 274: ...246 CHAPTER 15 WATCH TIMER ...
Страница 306: ...278 CHAPTER 17 DTP EXTERNAL INTERRUPTS ...
Страница 338: ...310 CHAPTER 18 8 10 BIT A D CONVERTER ...
Страница 364: ...336 CHAPTER 19 UART0 UART1 ...
Страница 398: ...370 CHAPTER 20 UART2 UART3 Figure 20 5 2 ORE Set Timing Receive data RDRF ORE ...
Страница 432: ...404 CHAPTER 20 UART2 UART3 ...
Страница 482: ...454 CHAPTER 22 SERIAL I O ...
Страница 560: ...532 CHAPTER 24 STEPPING MOTOR CONTROLLER ...
Страница 582: ...554 CHAPTER 27 ROM MIRRORING MODULE ...
Страница 632: ...604 CHAPTER 29 EXAMPLES OF SERIAL PROGRAMMING CONNECTION ...
Страница 722: ...694 APPENDIX ...
Страница 723: ...695 INDEX The index follows on the next page This is listed in alphabetic order ...
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