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Chapter 10 Buzzer
Overview
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10-1 Overview
This LSI has a buzzer. It can output the square wave, having a frequency 1/2
9
to 1/2
14
of the high speed
oscillation clock, or by 1/2
3
to 1/2
4
of the low speed oscillation clock.
10-1-1 Block Diagram
Buzzer Block Diagram
7
0
1/2 to 1/2
14
R
MUX
fosc/2
14
fosc/2
13
fosc/2
12
fosc/2
11
MUX
fosc
fx
fosc/2
10
fosc/2
9
fx/2
4
fx/2
3
BUZZER
DLYCTR
DLYS0
DLYS1
BUZS0
BUZS1
BUZS2
BUZOE
-
-
Figure 10-1-1 Block Diagram (Buzzer)