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Preliminary User’s Manual U16035EJ1V0UM
CHAPTER 10 CLOCK OUTPUT/BUZZER OUTPUT CONTROLLER
10.1 Functions of Clock Output/Buzzer Output Controller
The clock output controller is intended for carrier output during remote controlled transmission and clock output
for supply to peripheral LSIs. The clock selected with the clock output select register (CKS) is output.
In addition, the buzzer output is intended for square wave output of buzzer frequency selected with CKS.
Figure 10-1 shows the block diagram of clock output/buzzer output controller.
Figure 10-1. Block Diagram of Clock Output/Buzzer Output Controller
8
4
BZOE
BCS0, BCS1
Clock
controller
CLOE
BUZ/P75
PCL/P74
Internal bus
Selector
BZOE
BCS1
BCS0
CLOE
CCS3
CCS2
CCS1
CCS0
Clock output select register (CKS)
Selector
Prescaler
f
X
/2
10
to f
X
/2
13
f
X
to f
X
/2
7
f
XT
f
X
