UPD78F0386GK-8EU-A Renesas Electronics America, UPD78F0386GK-8EU-A Datasheet - Page 518

• Manufacturer Part Number: UPD78F0386GK-8EU-A
• Description: MCU 96KB FLASH 5KB RAM
• Manufacturer: Renesas Electronics America
• Series: 78K0/Lx2r

Specifications of UPD78F0386GK-8EU-A

• Core Processor: 78K/0
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: LCD, LVD, POR, PWM, WDT
• Number Of I /o: 26
• Program Memory Size: 96KB (96K x 8)
• Program Memory Type: FLASH
• Ram Size: 5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

23.2 Configuration of Power-on-Clear Circuit
23.3 Operation of Power-on-Clear Circuit
(1) In 1.59 V POC mode (option byte: POCMODE = 0)
(2) In 2.7 V/1.59 V POC mode (option byte: POCMODE = 1)
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The block diagram of the power-on-clear circuit is shown in Figure 23-1.
The timing of generation of the internal reset signal by the power-on-clear circuit and low-voltage detector is
shown below.
An internal reset signal is generated on power application.
detection voltage (V
The supply voltage (V
internal reset signal is generated. It is released when V
An internal reset signal is generated on power application.
detection voltage (V
The supply voltage (V
internal reset signal is generated. It is released when V
V
DD
POC
DDPOC
DD
DD
Figure 23-1. Block Diagram of Power-on-Clear Circuit
= 1.59 V 0.15 V), the reset status is released.
) and detection voltage (V
) and detection voltage (V
= 2.7 V 0.2 V), the reset status is released.
Reference
voltage
source
CHAPTER 23 POWER-ON-CLEAR CIRCUIT
User’s Manual U17504EJ2V0UD
+
V
DD
POC
POC
= 1.59 V 0.15 V) are compared. When V
= 1.59 V 0.15 V) are compared. When V
DD
DD
V
V
POC
POC
When the supply voltage (V
When the supply voltage (V
.
.
Internal reset signal
DD
DD
) exceeds the
) exceeds the
DD
DD
< V
< V
POC
POC
, the
, the