LSI

LSI-6014

2

Functional Description

Power up

At power up, the LSI6014 turns on all LCD and output 3 beep sounds and then display the selected

time range by bonding option.

Key operation

The LSI6014 has five key operation M100, M10, M1, START and RESET keys.

For ease of operation, the final product can have 2 to 5 key operation depending on the usage.

Keys

Description

Setting Range

START, RESET

2 key fixed time (bonding option) count down timer

START, RESET, M1

3 key count down timer with/without preset value by

bonding option.

1 – 9 minutes

(step 1 minute)

START, RESET,

M1,M10

4 key count down timer with/without preset value by

bonding option.

1 – 99 minutes

(step 1 minute)

START, RESET,

M1,M10,M100

5 key count down timer with/without preset value by

bonding option.

1 – 999 minutes

(step 1 minute)

Press M100/M10/M1 adds 100/10/1 to the setting value.

After the setting is finished, press START starts the countdown timer.

By the end of count down, the system output 10 beep sounds and then display the selected duration

selected by bonding option.

The bonding option OPT[0:4] is used to set the default value. The bonding option default value is

shown in the following table.

OPT0 OPT1 OPT2 OPT3 OPT4 MUNUTES

V

V

V

V

V

0

V

G

V

V

V

1

V

V

G

V

V

2

V

G

G

V

V

3

V

V

V

G

V

4

V

G

V

G

V

5

V

V

G

G

V

6

V

G

G

G

V

7

V

V

V

V

G

8

V

G

V

V

G

9

V

V

G

V

G

10

V

G

G

V

G

11

V

V

V

G

G

12

V

G

V

G

G

13

V

V

G

G

G

14

V

G

G

G

G

15

OPT0 OPT1 OPT2 OPT3 OPT4 MUNUTES

G

V

V

V

V

X

G

G

V

V

V

20

G

V

G

V

V

25

G

G

G

V

V

30

G

V

V

G

V

35

G

G

V

G

V

40

G

V

G

G

V

45

G

G

G

G

V

50

G

V

V

V

G

55

G

G

V

V

G

60

G

V

G

V

G

75

G

G

G

V

G

90

G

V

V

G

G

105

G

G

V

G

G

120

G

V

G

G

G

150

G

G

G

G

G

180

Note : V - Connected to VDD, G - Connected to GND.