R5F10WMDA datasheet(116/126 Pages) RENESAS

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RL78/L13

3. ELECTRICAL SPECIFICATIONS (G: INDUSTRIAL APPLICATIONS TA =

−40 to +105°C)

R01DS0168EJ0210 Rev.2.10

Aug 12, 2016

Page 116 of 123

3.7.2 Internal voltage boosting method

(1) 1/3 bias method

(TA =

−40 to +105°C, 2.4 V ≤ VDD ≤ 5.5 V, VSS = 0 V)

Parameter

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

LCD output voltage variation range

VL1

C1 to C4Note 1

= 0.47

μFNote 2

VLCD = 04H

0.90

1.00

1.08

VLCD = 05H

0.95

1.05

1.13

VLCD = 06H

1.00

1.10

1.18

VLCD = 07H

1.05

1.15

1.23

VLCD = 08H

1.10

1.20

1.28

VLCD = 09H

1.15

1.25

1.33

VLCD = 0AH

1.20

1.30

1.38

VLCD = 0BH

1.25

1.35

1.43

VLCD = 0CH

1.30

1.40

1.48

VLCD = 0DH

1.35

1.45

1.53

VLCD = 0EH

1.40

1.50

1.58

VLCD = 0FH

1.45

1.55

1.63

VLCD = 10H

1.50

1.60

1.68

VLCD = 11H

1.55

1.65

1.73

VLCD = 12H

1.60

1.70

1.78

VLCD = 13H

1.65

1.75

1.83

Doubler output voltage

VL2

C1 to C4Note 1 = 0.47

μF

2 VL1

− 0.10

2 VL1

Tripler output voltage

VL4

C1 to C4Note 1 = 0.47

μF

3 VL1

− 0.15

3 VL1

Reference voltage setup timeNote 2

tVWAIT1

Voltage boost wait timeNote 3

tVWAIT2

C1 to C4Note 1 = 0.47

μF

500

Notes 1.

This is a capacitor that is connected between voltage pins used to drive the LCD.

C1: A capacitor connected between CAPH and CAPL

C2: A capacitor connected between VL1 and GND

C3: A capacitor connected between VL2 and GND

C4: A capacitor connected between VL4 and GND

C1 = C2 = C3 = C4 = 0.47

μF ± 30%

This is the time required to wait from when the reference voltage is specified by using the VLCD register (or

when the internal voltage boosting method is selected (by setting the MDSET1 and MDSET0 bits of the

LCDM0 register to 01B) if the default value reference voltage is used) until voltage boosting starts (VLCON =

1).

This is the wait time from when voltage boosting is started (VLCON = 1) until display is enabled (LCDON = 1).

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