Epson S1C63558 7.4 Analog Circuit Characteristics and Power Current Consumption, Typ, Typ, and, Typ, ⋅0.88, ⋅1.12, ⋅0.93, ⋅1.07, LC0–3="0, LC0–3="1, LC0–3="2, LC0–3="3

CHAPTER 7: ELECTRICAL CHARACTERISTICS

7.4 Analog Circuit Characteristics and Power Current Consumption

Unless otherwise specified:

VDD=3.0V, VSS=0V, fOSC1=32.768kHz, CG=25pF, Ta=-20 to 70°C, VD1/VC1/VC23/VC4/VC5 are internal voltage, C1–C7=0.2∝F

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

LCD drive voltage

VC1

Connect 1 MΩ load resistor between VSS and VC1

1/2·VC23

1/2·VC23

V

(without panel load)

⋅0.95

-0.1

VC23

Connect 1 MΩ load resistor

LC0–3="0"

1.95

V

between VSS and VC23

LC0–3="1"

1.98

(without panel load)

LC0–3="2"

2.01

LC0–3="3"

2.04

LC0–3="4"

2.07

LC0–3="5"

2.10

LC0–3="6"

2.13

LC0–3="7"

Typ.

2.16

Typ.

LC0–3="8"

⋅0.88

2.19

⋅1.12

LC0–3="9"

2.22

LC0–3="10"

2.25

LC0–3="11"

2.28

LC0–3="12"

2.31

LC0–3="13"

2.34

LC0–3="14"

2.37

LC0–3="15"

2.40

VC4

Connect 1 MΩ load resistor between V

SS and VC4

3/2·VC23

3/2·VC23

V

(without panel load)

⋅0.95

VC5

Connect 1 MΩ load resistor between VSS and VC5

2·VC23

2·VC23

V

(without panel load)

⋅0.95

SVD voltage

VSVD1

SVDS0–3="0" (internal)

2.20

V

(Ta=25°C)

SVDS0–3="1"

2.20

SVDS0–3="2"

2.20

SVDS0–3="3"

2.20

SVDS0–3="4"

2.20

SVDS0–3="5"

2.30

SVDS0–3="6"

2.40

SVDS0–3="7"

Typ.

2.50

Typ.

SVDS0–3="8"

⋅0.93

2.60

⋅1.07

SVDS0–3="9"

2.70

SVDS0–3="10"

2.80

SVDS0–3="11"

2.90

SVDS0–3="12"

3.00

SVDS0–3="13"

3.10

SVDS0–3="14"

3.20

SVDS0–3="15"

3.30

SVD voltage (external) ∗3

VSVD2

SVDS0–3="0" (external), Ta = 25°C

0.85

0.95

1.05

V

SVD circuit response time

tSVD

Ta = 25°C

100

∝s

Current consumption

IOP

During HALT

LCD power OFF ∗1, ∗2

1.5

3

∝A

(Ta=25°C)

(32 kHz crystal oscillation)

LCD power ON

∗1, ∗2

4

8

∝A

During execution

LCD power ON

∗1, ∗2

10

19

∝A

(32 kHz crystal oscillation)

During HALT

LCD power ON

∗1

150

300

∝A

(3.58 MHz ceramic oscillation)

During execution

LCD power ON

∗1

600

800

∝A

(3.58 MHz ceramic oscillation)

SVD circuit current (during supply voltage detection)

1

15

∝A

VDD=2.2 to 5.5 V

SVD circuit current (during external voltage detection)

0.5

6

∝A

VDD=2.2 to 5.5 V

DTMF circuit current VDD=5.5 V ∗4

1.4

2.5

mA

DTMF circuit current VDD=3.0 V ∗4

1.2

2.0

mA

FSK circuit current VDD=5.5 V

∗4

1.8

2.5

mA

FSK circuit current VDD=3.0 V

∗4

1.0

1.5

mA

∗1

Without panel load. The SVD circuit is OFF.

∗2 OSCC = "0"

∗3

Please input the voltage, which is within the range between VSS and VDD, into the SVD terminal.

∗4

OSC3 oscillation current and CPU operating current with a 3.58 MHz clock are included.

162

EPSON

S1C63558 TECHNICAL MANUAL