UPD78F0386GK-8EU-A Renesas Electronics America, UPD78F0386GK-8EU-A Datasheet - Page 523

• 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: -

24.1 Functions of Low-Voltage Detector
reset occurs. For details of RESF, see CHAPTER 22 RESET FUNCTION.
24.2 Configuration of Low-Voltage Detector
V
DD
The low-voltage detector (LVI) has the following functions.
When the low-voltage detector is used to reset, bit 0 (LVIRF) of the reset control flag register (RESF) is set to 1 if
The block diagram of the low-voltage detector is shown in Figure 24-1.
Compares supply voltage (V
internal reset signal when V
Compares a voltage input from an external input pin (EXLVI) with the detection voltage (V
and generates an internal interrupt signal or internal reset signal when EXLVI < V
The supply voltage (V
Interrupt or reset function can be selected by software.
Operable in STOP mode.
Low-voltage detection level
selection register (LVIS)
EXLVI/P120/
DD
INTP0
) or voltage input from an external input pin (EXLVI) can be selected by software.
Figure 24-1. Block Diagram of Low-Voltage Detector
CHAPTER 24 LOW-VOLTAGE DETECTOR
DD
DD
< V
) and detection voltage (V
LVI
. Detection levels (16 levels) of supply voltage can be changed by software.
User’s Manual U17504EJ2V0UD
Reference
voltage
source
Internal bus
N-ch
+
V
DD
LVI
), and generates an internal interrupt signal or
Low-voltage detection register
(LVIM)
EXLVI
.
EXLVI
= 1.21 V (TYP.)),
INTLVI
Internal reset signal
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