UPD78F0138HGK-9ET-A Renesas Electronics America, UPD78F0138HGK-9ET-A Datasheet - Page 409

• Manufacturer Part Number: UPD78F0138HGK-9ET-A
• Description: MCU 8BIT 60K FLASH 64TQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx1+r

Specifications of UPD78F0138HGK-9ET-A

• Core Processor: 78K/0
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: 3-Wire SIO, LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 42
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

22.2 Configuration of Power-on-Clear Circuit
22.3 Operation of Power-on-Clear Circuit
V
POC detection voltage
POC
Supply voltage (V
Internal reset signal
The block diagram of the power-on-clear circuit is shown in Figure 22-1.
In the power-on-clear circuit, the supply voltage (V
, an internal reset signal is generated.
(V
Figure 22-2. Timing of Internal Reset Signal Generation in Power-on-Clear Circuit
POC
DD
)
)
V
DD
Figure 22-1. Block Diagram of Power-on-Clear Circuit
Reference
voltage
source
CHAPTER 22 POWER-ON-CLEAR CIRCUIT
User’s Manual U16899EJ3V0UD
+
V
DD
DD
) and detection voltage (V
Internal reset signal
POC
) are compared, and when V
Time
DD
407
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