LSI

LS6107

Version 0.1 (08.02.2001)

2

Pin

Pin

Pin

Pin Assignment

Assignment

Assignment

Assignment

DESIGNATION

TYPE

DESCRIPTION

B0, B1

OUTPUT

Buzzer output

VC1, VC2

OUTPUT

Halfer output

VEE

OUTPUT

Halfer voltage

T1, T2

INPUT

TEST pin

OO

OUTPUT

RC oscillator output

OI

INPUT

RC oscillator input

OI15P

INPUT

RC oscillator input, with input capacitor (10-15pf)

VDD

POWER

+3.0V power supply

GND

POWER

Ground

KON, KSOUND,

KSCOPE

KK1,KK2,KK3,KK4,KK5

INPUT(PH)

Input key

PB

INPUT(PH)

Power up reset

C[1:3]

OUTPUT

LCD Common output

S[1:28]

OUTPUT

LCD Segment output

Note: (PH) - pull high;

DC Characteristic

(GND = 0V, Vdd = 3.0V, Ta = 25°°°°C )

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Supply Voltage

Vdd

2.4

3.0

3.6

V

Operating current

Idd

-

20

50

µA

No load

Oscillator Frequency

Fosc

25k

-

40k

Hz

Vdd=3.0

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