UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 252

• Manufacturer Part Number: UPD78F0034BGC-8BS-A
• Description: MCU 8-Bit 78K0 CISC 32KB Flash 2.5V/3.3V/5V 64-Pin LQFP
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0034BGC-8BS-A

• Package: 64LQFP
• Family Name: 78K0
• Maximum Speed: 12 MHz
• Ram Size: 1 KB
• Program Memory Size: 32 KB
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 51
• Interface Type: 3-Wire/UART
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

12.1 Clock Output/Buzzer Output Controller Functions
peripheral ICs. The clock selected by the clock output select register (CKS) is output.
250
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
Figure 12-1. Block Diagram of Clock Output/Buzzer Output Controller
X
XT
BCS0
CLOE
Internal bus
Prescaler
8
CCS3
Clock output select register (CKS)
f
X
to f
4
X
User’s Manual U14046EJ5V0UD
CCS2
/2
f
X
7
/2
10
to f
CCS1
X
/2
13
BZOE
CCS0
controller
CLOE
Clock
BCS0, BCS1
Output latch
Output latch
(P75)
(P74)
PM75
PM74
BUZ/P75
PCL/P74