Overview; Block Diagram - Panasonic F77G User Manual

Chapter 10 Buzzer
10-1

Overview

This LSI has a buzzer. It can output the square wave, having a frequency 1/2
oscillation clock, or by 1/2
10-1-1

Block Diagram

Buzzer Block Diagram
fosc
fx
DLYCTR
-
0
-
DLYS0
DLYS1
BUZS0
BUZS1
BUZS2
BUZOE
7
X - 2
Overview
3 4
to 1/2 of the low speed oscillation clock.
MUX 1/2 to 1/2
R
Figure 10-1-1 Block Diagram (Buzzer)
14
14
fosc/2
13
fosc/2
12
fosc/2
11
fosc/2
10
fosc/2
MUX
9
fosc/2
4
fx/2
3
fx/2
9 to 1/2 14 of the high speed
BUZZER