HT95C20P datasheet(2/50 Pages) HOLTEK

2 / 50 page

Selection Table

Part No.

Operating

Voltage

Program

Memory

Data

Memory

Normal

I/O

Dialer

I/O

LCD

Timer

Stack

External

Interrupt

DTMF

Generator

FSK

Receiver

Package

HT95A200

HT95A20P

2.4V~5.5V

´16

1152

´8

16-bit

´2

Ö¾

48SSOP

HT95A300

HT95A30P

2.4V~5.5V

´16

2112

´8

16-bit

´2

Ö¾

48SSOP

HT95L100

HT95L10P

2.4V~5.5V

´16

1152

´8

16~20

´8~20´8

16-bit

´2

Ö¾

64QFP

HT95L200

HT95L20P

2.4V~5.5V

´16

1152

´8

20~28

´8~24´16

16-bit

´2

Ö¾

100QFP

HT95L300

HT95L30P

2.4V~5.5V

´16

2112

´8

16~28

´16~48´16 16-bit´2

Ö¾

100QFP

HT95C200

HT95C20P

2.4V~5.5V

´16

1152

´8

20~28

´8~24´16

16-bit

´2

ÖÖ

128QFP

HT95C300

HT95C30P

2.4V~5.5V

´16

2112

´8

16~28

´16~48´16 16-bit´2

ÖÖ

128QFP

Note: Part numbers suffixed with

²P² are OTP devices, all others are mask version devices.

Block Diagram

HT95C200/20P/300/30P

Rev. 0.10

October 1, 2002

Preliminary

P r o g r a m

C o u n t e r

P r o g r a m

R O M

I n s t r u c t i o n

R e g i s t e r

I n s t r u c t i o n

D e c o d e r

T i m i n g

G e n e r a t o r

I N T C 1

I n t e r r u p t

C i r c u i t

M U X

D A T A

M e m o r y

A L U

S h i f t e r

S T A T U S

A C C

L C D D r i v e r

9 5 C 3 0 0 / 3 0 P : 4 8 ( 4 4 , 4 0 , 3 6 ) ´ 1 6 ( 8 )

9 5 C 2 0 0 / 2 0 P : 2 4 ´ 1 6 ( 8 )

S T A C K 4

S T A C K 5

S T A C K 6

S T A C K 7

S T A C K 0

S T A C K 1

S T A C K 2

S T A C K 3

M P 1

M P 0

P o w e r D o w n

D e t e c t o r &

R e s e t C i r c u i t

I N T C 0

R T C

3 2 7 6 8 H z

O S C C i r c u i t

W D T S

W D T P r e s c a l e r

3 2 7 6 8 H z

S y s t e m C l o c k / 4

W D T O S C

T M R 1 C

T M R 1

3 2 7 6 8 H z

T M R 0 C

T M R 0

S y s t e m c l o c k / 4

P A

P A C

P B

P B C

P D

P D C

P E

P E C

D T M .

G e n e r a t o r

P . D

. S K

D e c o d e r

I N T / T M R 1

T M R 0

P A 0 ~ P A 7

P B 0 ~ P B 7

P D 0 ~ P D 7

P E 0 ~ P E 3

D T M .

M U S I C

T I P

R I N G

R D E T I

R T I M E

R E S

X 1

X 2

X C

C O M 0 ~ C O M 1 5 S E G 0 ~ S E G 4 7 V L C D

3 2 7 6 8 H z

o r 3 . 5 8 M H z / 4

3 . 5 8 M H z

P o w e r

S u p p l y

V D D 2

V S S 2

V D D

V S S

L o w

B a t t e r y

D e t e c t o r

L B I N

D i a l e r I / O

H . I

H . O

H D I

H D O

H K S

P O

D N P O

X M U T E

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