RL78/F13, F14 CHAPTER 10 CLOCK OUTPUT/BUZZER OUTPUT CONTROLLER
R01UH0368EJ0210 Rev.2.10 687
Dec 10, 2015
Figure 10-1. Block Diagram of Clock Output/Buzzer Output Controller
Note For output frequencies available from PCLBUZ0, refer to the AC characteristics in CHAPTER 34 to CHAPTER
36 ELECTRICAL SPECIFICATIONS.
PCLBUZ0
Note
/P140
Clock output select register 0 (CKS0)
PCLOE0 0 0 0
5
3
Prescaler
CSEL0 CCS02 CCS01 CCS00
PM140
8
f
MAIN
f
IH
f
MX
MCM0 = 1
MCM0 = 0
f
SL
f
SUB
f
IL
SELLOSC = 1
SELLOSC = 0
f
SL
-f
SL
/2
7
f
MAIN
-f
MAIN
/2
4
f
MAIN
/2
11
-f
MAIN
/2
13
Prescaler
Internal bus
Clock/buzzer
controller
Selector
Output latch
(P141)