UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 176

• 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

7.4.2 Subsystem clock oscillator
XT2 pins.
and an inverted-phase clock signal to the XT2 pin.
174
The subsystem clock oscillator oscillates with a crystal resonator (32.768 kHz TYP.) connected to the XT1 and
External clocks can be input to the subsystem clock oscillator. In this case, input a clock signal to the XT1 pin
Figure 7-5 shows an external circuit of the subsystem clock oscillator.
Cautions are listed on the next page.
(a) Crystal oscillation
Figure 7-5. External Circuit of Subsystem Clock Oscillator
32.768
kHz
CHAPTER 7 CLOCK GENERATOR
XT2
XT1
V
SS1
User’s Manual U14046EJ5V0UD
(b) External clock
External
clock
XT2
XT1