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M-S u r

Te h oo ie

C r

.

q a e

c n lg s

o p

A Subsidiary o f R e alte k G ro up

RTS0073

PLAYBACK / RECORD IC

W IT H V OICE-CH AN G ER F U N CT ION

F eatu res

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-

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-

-

-

-

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-

Operating voltage range: 3.3V - 5.0 V

Connec ted w ith an ex ternal c apac tior (Cu p), th e operating voltage c an b e im prove to 6.4V.

A D P CM voic e rec ord ing & play b ac k

R ec ord ing length : 3 sec ond s (B ased on 6K sam ple rate)

S everal selec tab le voic e effec ts (transposing voic e, rob otic voic e, original voic e)

Manu al c ontrol or talk -b ac k m od e options are availab le for rec ord ing.

B u ilt-in voic e-rec ord ing m ic -am plifier

CN T 1 signal d rives L E D d u ring th e rec ord ing state

CN T 2 signal d rives L E D d u ring th e play b ac k state

L ow S tand -b y c u rrent in pow er OF F m od e

G eneral Descrip tion

R T S 0 0 73 is a CMOS d esigned w ith rec ord ing and play b ac k fu nc tion and u ses A D P CM tec h nology to

save voic e D A T A , w h ile provid ing several voic e sy nth esiz ers to ac h ieve d ifferent voic e effec ts (rob otic ,

transposing, original). W h en th e voic e d ata is re-play ing, R T S 0 0 73 h as tw o m od es to selec t from (m anu al

and play b ac k ), and also h as a b u ilt-in OP am plifier to am plify th e inpu t au d io signal. In ad d ition, R T S 0 0 73

provid es CN T 1 and CN T 2 pins as rec ord ing/play ing ind ic ators, or to u se for oth er pu rposes.

Pin Assignment

MICG

T 2B

Block Diagram

MOD E

P 1B

P 2B

R OB

R E CB

28

27

26

25

24

23

P 1B

P 2B

R E CB

T 1B

MOD E

BD

MOU T

MIN

G N D

N C

N C

N C

N C

N C

1

2

3

4

5

6

7

8

9

10

11

12

13

14

R OS C

CN T 2

CN T 1

SEL

VD D

R OS C

P OS C

R OB

N C

N C

N C

N C

N C

MOU T

MIN

P OS C

S y stem

Control

L ogic

SEL

CN T 1

CN T 2

A D P CM

A naly z er &

S y nth esiz er

RT S 0 0 7 3

22

21

20

19

18

17

16

15

MIC

A m plifier

A /D

SR A M

D /A

BD

MICG , T 1B , VD D , G N D , T 2B

V1.7 D a ta S h e e t

Nov, 28/2001

w w w .m sq uare te c h .c o m

P age 9of1

The above information is the exclusive intellectual property of M-S q uare Technolog ies C orporation and shall not be d isclosed , d istributed w ithout permission from M-S q uare.

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