LSI

LS6052

Version 0.1 (30.10.00)

3

Pin Assignment

DESIGNATION

TYPE

DESCRIPTION

B [0:1]

OUTPUT

Buzzer output

VC1, VC2

OUTPUT

Halfer output

VEE

OUTPUT

Halfer voltage

T2, T1

INPUT (PL)

TEST pin

OO

OUTPUT

oscillator output

OI

INPUT

oscillator input

VDD

POWER

+3.0V power supply

GND

POWER

Ground

I0(KICON)

INPUT

KEY

I1(KMODE)

INPUT

KEY

I2(KEL)

INPUT

KEY

I3(KSET)

INPUT

KEY

I4(BP0)

INPUT

BONDING OPTION

I5(BP1)

INPUT

BONDING OPTION

R[0:1]

OUTPUT

Output /EL output

C[1:3]

OUTPUT

LCD Common output

S[1:28]

OUTPUT

LCD Segment output

Note: (PL) – pull low

(PH) - pull high

Absolute Maximum Ratings

Supply voltage Vdd - Vss..........................0 to 5V

Input voltage Vin.................................Vss to Vdd

Operating temperature Top .............-10°C to 60°C

Storing temperature Tst ...................-40°C to 70°C

D.C. Electrical Characteristics

(GND = 0V, Vdd = 3.0V, Ta = 25°C unless otherwise specified)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Supply Voltage

Vdd

2.5

3.0

3.6

V

Operating current

Idd

-

3

6

µA

No load

OSC. built-in cap

Cd

-

15

-

pF

Bonding option

Buzzer output current

Ib

500

-

-

µA

Vbd-Vss=0.5

LCD frequency

Flcd

-

64

-

Hz

Segment current

Is

0.15

-

-

µA

Vseg=0.2V

Common current

Ic

3.0

-

-

µA

Vcom=0.2V

R[0:1] output current

Ir

0.8

-

-

mA

Vr-Vss=0.7