UPD78F0386GK-8EU-A Renesas Electronics America, UPD78F0386GK-8EU-A Datasheet - Page 458

• 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: -

17.7.4 Four-time-slice display example
the segment signals (S0 to S23) and the common signals (COM0 to COM3) of the 78K0/LF2 chip. This example
displays data "123456.789012" in the LCD panel. The contents of the display data memory (addresses 00H to 17H of
LCDSEG) correspond to this display.
panel, it is necessary to apply the select or deselect voltage to the S12 and S13 pins according to Table 17-8 at the
timing of the common signals COM0 to COM3; see Figure 17-25 for the relationship between the segment signals and
LCD segments.
corresponds to S12 must contain 1101.
the select voltage is applied to S12 at the timing of COM0, an alternate rectangle waveform, +V
to turn on the corresponding LCD segment.
456
Figure 17-26 shows how the 12-digit LCD panel having the display pattern shown in Figure 17-25 is connected to
The following description focuses on numeral "6." (
According to Table 17-8, it is determined that the display data memory location (0CH of LCDSEG) that
Figure 17-27 shows examples of LCD drive waveforms between the S12 signal and each common signal. When
Remark
n = 0 to 11
Figure 17-25. Four-Time-Slice LCD Display Pattern and Electrode Connections
S
2n+1
S
Table 17-8. Select and Deselect Voltages (COM0 to COM3)
2n
Common
COM0
COM1
COM2
COM3
CHAPTER 17 LCD CONTROLLER/DRIVER
User’s Manual U17504EJ2V0UD
Segment
) displayed in the seventh digit. To display "6." in the LCD
Deselect
Select
Select
Select
COM2
S12
COM0
Select
Select
Select
Select
S13
COM1
COM3
LCD
/ V
LCD
, is generated