UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 256
UPD78F0034BGC-8BS-A
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
Datasheet
1.UPD78F0034BGK-9ET-A.pdf
(605 pages)
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
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12.4 Operation of Clock Output/Buzzer Output Controller
12.4.1 Operation as clock output
12.4.2 Operation as buzzer output
254
The clock pulse is output using the following procedure.
<1> Select the clock pulse output frequency using bits 0 to 3 (CCS0 to CCS3) of the clock output select register
<2> Set bit 4 (CLOE) of CKS to 1, and enable clock output.
Remark The clock output controller is designed not to output pulses with a small width during output enable/
The buzzer frequency is output using the following procedure.
<1> Select the buzzer output frequency using bits 5 and 6 (BCS0, BCS1) of the clock output select register (CKS)
<2> Set bit 7 (BZOE) of CKS to 1 to enable buzzer output.
(CKS) (clock pulse output in disabled state).
(buzzer output in disabled state).
Clock output
disable switching of the clock output. As shown in Figure 12-4, be sure to start output from the low period
of the clock (marked with * in the figure). When stopping output, do so after securing the high level of
the clock.
CLOE
CHAPTER 12 CLOCK OUTPUT/BUZZER OUTPUT CONTROLLER
Figure 12-4. Remote Control Output Application Example
*
User’s Manual U14046EJ5V0UD
*
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