Abov MC97F6108A - Register Description

MC97F6108A User’s manual 13. Buzzer driver
139
13.3 Register description
BUZDR (Buzzer Data Register): EFH
7
6
5
4
3
2
1
0
BUZDIV1
BUZDIV0
BUZDATA5
BUZDATA4
BUZDATA3
BUZDATA2
BUZDATA1
BUZDATA0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial value: FFH
BUZDIV[1:0]
Buzzer Clock Divider
BUZDIV1
BUZDIV0
Description
0
0
f
BUZ
/8
0
1
f
BUZ
/16
1
0
f
BUZ
/32
1
1
f
BUZ
/64
BUZDATA[5:0]
This bits control the Buzzer frequency.
Its resolution is 00H to 3FH.
BUZCR (Buzzer Control Register): EEH
7
6
5
4
3
2
1
0
BUZOEN
–
–
–
BUCK2
BUCK1
BUCK0
BUZEN
R/W
–
–
–
R/W
R/W
R/W
R/W
Initial value: 00H
BUZOEN
Buzzer Output Port Control
0
Buzzer output disable
1
Buzzer output enable
BUCK[2:0]
Buzzer Driver Source Clock Selection
BUCK2
BUCK1
BUCK
0
Description
0
0
0
fx/1
0
0
1
fx/2
0
1
0
fx/4
0
1
1
fx/8
1
0
0
fx/16
1
0
1
fx/32
1
1
0
fx/64
1
1
1
fx/128
BUZEN
Buzzer Driver Operation Control
0
Buzzer driver disable
1
1 Buzzer driver enable