UPD78F0386GK-8EU-A Renesas Electronics America, UPD78F0386GK-8EU-A Datasheet - Page 463

• 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: -

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17.8.2 External resistance division method
using internal resistors. Figure 17-29 shows examples of LCD drive voltage connection, corresponding to each bias
method.
The 78K0/LF2 can also use external voltage divider resistors for generating LCD drive power supplies, without
Figure 17-29. Examples of LCD Drive Power Connections (External Resistance Division Method)
Remark Both (a) and (b) connection can be used in the static display mode.
LV
V
V
V
LV
V
V
V
LC0
LC1
LC2
(a) Static display mode
LC0
LC1
LC2
SS
SS
(c) 1/2 bias method
(
V
LCD
= V
LC0
= V
LC1
= V
CHAPTER 17 LCD CONTROLLER/DRIVER
LC2
)
V
V
LCD
LCD
User’s Manual U17504EJ2V0UD
R
R
LV
V
V
V
LV
V
V
V
LC0
LC1
LC2
(b) Static display mode
LC0
LC1
LC2
SS
SS
(d) 1/3 bias method
(
V
LC1
= V
LC2
= LV
SS
= GND
)
V
V
LCD
LCD
R
R
R
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