LSI

LS3013

2

The system has 16x4bit of program RAM (00H to 0fH) with IO address as follows.

Address

Description

Initialize

0-0xbh

RAM

undefined

0xch

Beep Control Register

0

0xdh

RAM

0

0xeh

S1,S2,S3,S4

0

4. LED driver

The system has 4 LED pad.

The LED pad can either be an open drain NMOS output or CMOS output by mask option.

Note that : writing a 1 to the above address will cause the corresponding LED to turn on (NMOS

driver) thus equivalent to a low level signal on the output pad.

5. Mask option

Name

Description

FSYSPRB

Power Up Control

6. INA Address

INA ADDRESS

Description

#0

I[0-3] at D[0:3]

#1

I[4:5] at D[0:1], D[2:3] always 0

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

Comment

Stress above those listed under absolute Maximum Ratings”

may

cause permanent damage to the device.

These are stress rating only.

Functional operation of this device at these or any other conditions above

those indicated in the operational sections

of this specification is not

implied and exposure to absolute maximum rating conditions for extended

periods may affect device reliability.

D.C. Electrical Characteristics

(GND = 0V, Vdd = 1.5V, Ta = 25°C unless otherwise specified)