TE

CH

tm

T62M0002A

TM Technology Inc. reserves the right

P. 3

Publication Date: MAR. 2007

to change products or specifications without notice.

Revision:B

PIN Description

Pin NO. Pin Name

I/O

Description

1

VCC

-

Analog and positive power supply

2

REF

I

Analog reference voltage

3

AGEND

-

Analog ground

4

DGEND

-

Digital ground

5

OSC_O

I

System oscillator output

6

VCO

I

System oscillator input,system frequency adjustable pin

7

CC1

-

Current control1

8

CC2

-

Current control2

9

OP1_OUT

O

OP1 output

10

OP1_IN

I

OP1 input

11

OP2_IN

I

OP2 input

12

OP2_OUT

O

OP2 output

13

LPF2_IN

I

Low pass filter2 input

14

LPF2_OUT

O

Low pass filter2 output

15

LPF1_OUT

O

Low pass filter1 output

16

LPF1_IN

I

Low pass filter1 input

Function Description

The T62M0002A is an echo/surround effect generator with built-in SRAM.

It enaures low

distortion as well as low noise for processing audio signal delay. The chip provides two playing

modes(echo and surround) and the playing function block diagrams are shown as follows.

-

Surround Mode

Vin

LPF1

A/D

Delay

D/A

LPF2

Vout

-Echo Mode

Vout

Vin

LPF1

A/D

Delay

D/A

LPF2