Pad Description

Pad No.

Signal Name

Function

1~7

ROSC

BS

Positive power supply

Oscillator Resistor input

I/O

O

Power

Power

O

CPU mode: No connection.

KBD mode: with TG0 ~ TG7 for trigger input,

internal pull high, active low.

ROW0~ROW4 are used as Decimal digit (D-tree)

ROW5 and ROW6 are used for S-tree.

MTX mode: with TG0 ~ TG7 for scanning function,

used as output pins.

Audio signal voltage output (for buzzer)

Audio signal current output (for speaker)

ROW6~ROW0

CHG

NC

I

Busy / Stop

O

O

NC/I/O

NC

Negative power supply

NC: No connection

TG0

I

21~28

TG7

CPU mode: address input (TG0 ~ TG6), internal pull

high, negative strobe trigger (TG7).

KBD mode: with ROW0 ~ROW6 for trigger input,

internal pull high, active low.

MTX mode: with ROW0 ~ROW6 for scanning function,

internal pull high, active low.

OKY

INTP

I

I

One key Play, playall or playnext or random-play;active low.

Interrupt, stops the audio output at once;low active.

LED

O

LED, sink current

I

Change addressing interface mode from existing mode

~

MOSEL VITELIC INC.

3/27

PID248*** 08/96

8

9

10

11

16

12

13

15,17

Absolute Maximum Rating

C

Symbol

T (Operating)

T (Storage)

Rating

-0.5 ~ +7.0

-10 ~ +60

-55 ~ +125

C

SS

V

- V

DD

V

- 0.3 ~ V

+ 0.3

SS

DD

V

SS

Unit

V

V

DC supply voltage

Input voltage

Output voltage

Operating Temperature

Storage Temperature

Name

6000

4000

2000

2.0

3.0

4.0

5.0

6.0

Max

Min

6400

5000

S.R.=6000Hz

8000

Hz

VDD

2.4

18

19

20

Specifications subject to change without notice, contact your sales representatives for the most recent information.

Active

L

L

13

14

MSS2105/S3205/S4305/S6605

preliminary