Datasheet

User’s Manual U18698EJ1V0UD
287
CHAPTER 11 BUZZER OUTPUT CONTROLLER
11.1 Functions of Buzzer Output Controller
The buzzer output is intended for square-wave output of buzzer frequency selected with CKS.
Figure 11-1 shows the block diagram of buzzer output controller.
Figure 11-1. Block Diagram of Buzzer Output Controller
fPRS
fPRS/2
10
-fPRS/2
13
BZOE BCS1 BCS0
4
BUZ/P33/TI000/RTCDIV
/RTCCL/INTP2
Prescaler
Selector
Internal bus
Clock output selection register (CKS)
Output latch
(P33)
PM33