UPD78F0078GK-9ET-A Renesas Electronics America, UPD78F0078GK-9ET-A Datasheet - Page 222

• Manufacturer Part Number: UPD78F0078GK-9ET-A
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0078GK-9ET-A

• Lead Free Status / Rohs Status: Supplier Unconfirmed

12.1 Clock Output/Buzzer Output Controller Functions
peripheral ICs. The clock selected by the clock output select register (CKS) is output.
220
Clock output is used for carrier output during remote controlled transmission and clock output for supply to
In addition, buzzer output is used for square-wave output of the buzzer frequency selected by CKS.
Figure 12-1 shows the block diagram of the clock output/buzzer output controller.
BZOE
BCS1
CHAPTER 12 CLOCK OUTPUT/BUZZER OUTPUT CONTROLLER
f
f
X
XT
Figure 12-1. Block Diagram of Clock Output/Buzzer Output Controller
BCS0
CLOE
Internal bus
Prescaler
8
CCS3
Clock output select register (CKS)
f
X
to f
4
X
CCS2
User’s Manual U14260EJ4V0UD
/2
7
f
X
/2
10
to f
CCS1
X
/2
13
BZOE
CCS0
Clock
controller
CLOE
BCS0, BCS1
Output latch
Output latch
(P75)
(P74)
PM75
PM74
BUZ/TI001/
TO01/P75
PCL/TI011/
P74