Panasonic MN101C77C - Manual (Page 322)

Chapter 10 Buzzer
Overview X - 2
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)