UPD78F9222CS-CAC-A Renesas Electronics America, UPD78F9222CS-CAC-A Datasheet - Page 88

• Manufacturer Part Number: UPD78F9222CS-CAC-A
• Description: MCU 8BIT 4KB FLASH 20PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9222CS-CAC-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 15
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

86
Note The clock source of the watchdog timer (WDT) is selected from f
refer to CHAPTER 9 WATCHDOG TIMER.
Clock source of
WDT is selected
by software
LSRSTOP = 1
Figure 5-14. Status Transition of Low-Speed Internal Oscillation
Note
Can be stopped
oscillator can be stopped
Low-speed internal
Low-speed internal
oscillator stops
CHAPTER 5 CLOCK GENERATORS
User’s Manual U16898EJ6V0UD
LSRSTOP = 0
if low-speed internal oscillator
can be stopped or not
Select by option byte
power-on-clear
Reset by
application
Power
V
DD
> 2.1 V (TYP.)
oscillator cannot be stopped
Low-speed internal
X
Cannot be stopped
or f
RL
, or it may be stopped. For details,
Reset signal
Clock source of
WDT is fixed to f
RL