AVXX32E -A SERIES

Pin Description

Pin Name

I/O

Description

VDD

Power

Positive power supply

TEST

In

Test enable pad, high-active, pull-low

OSC

In

With resister connected to VDD for system clock generating

OKY

In

Trigger input, active-high, with internal pull_low resistor. Can define

as sequential key or random key.

TG0, TG1

In

Trigger input, active-high with internal pull_low resistor.

In

Trigger input, active-high

TG3_OPC

Out

Status output

OPB

Out

Status output

OPA

Out

Status output

PWM1,

PWM2

Out

Voltage output to drive speaker or buzzer

VSS

Power

Negative power supply

Absolute Maximum Rating

Symbol

Rating

Unit

-0.5 ~ +0.5

V

V

V

T (operating)

-10 ~ +60

T (storage)

-55 ~ +125

DC Characteristics

Symbol

Parameter

Min Typ. Max Unit

Condition

Operating Voltage

2.4

3.0

5.0

V

Isb

Standby

1

Iop

Supply

Current

Operating

400

OPA, OPB source Current

–20

Ioh

OPA, OPB sink Current

20

d F/F

Frequency Variation by diff.

lot

10

%

Function Diagram

1. OPA/B/C (1:0) are the output options.

Output

Option

0(00)

1(01)

2(10)

3(11)

Status

BH

DL

SH

DH

OPA

LED

+Fast

+Slow

Dy07

OFF

Status

BH

DL

SH

DH

OPB

LED

-Fast

-Slow

Dy09

ON

Status

BH

DL

BL

DH

OPC

LED

+Fast

+Slow

ON

OFF

Status output mode:

SH: Single pulse output, hi-level output

Preliminary

9-2

Ver. 0.1

BH: Busy output, hi-level output