HT9580 datasheet(2/63 Pages) HOLTEK

2 / 63 page

Block Diagram

HT9580

April 28, 2000

Preliminary

S yst e m C l o ck

IR Q NM I

RE S E T

PB 0 ~ P B 7

PC 0 ~ PC 1

PA C

PB C

T M R 0 ( 8 bi t )

PC C

T M R 1 ( 16 bi t )

TM R 1

AB L

AB H

A10

A11

A12

A13

A14

A15

S t a ck P o i n t

R egi s t er ( s )

AL U

I nde x

R egi s t er

I nde x

R egi s t er

A ccu m u l a t o r

PC L

PC H

I npu t D at a

Lat c h

(D L )

Da t a B u s

B u ffe r

P r oc es s o r

S t at us

R egi s t er P

Cl o c k

G ene r a t o r /

O sci l l a t o r

I n t e r r upt

Logi c

I n st r u ct i o n

D e c oder

I n t e r r upt

Logi c

Ti m i n g

C ont r o l

RDY

SY N C

PH I 1 ( O U T )

PH I 2 ( O U T )

R/ W

Logi c

R egi s t er S ec t i on

C ont r o l S e c t i o n

OS C 1

P H I2 ( IN )

OS C 2

Lege nd

=8 B i t L i n e

=1 B i t L i n e

RE S

A ddr es s

D e c oder

RA 14

RA 15

RA 16

RA 17

LC D

Dr i v e r

In t e r f a c e

LC D _ E

LC D _ R W

L C D_ CS 0

L C D_ CS 1

L CD_ CL

L CD_ A 0

PA 0 ~ P A 5

T o ne G ene r a t o r

Di g i t a l

F ilt e r

BC H C o d e

D e c oder

R F P ow er

C ont r o l l er

U s er A ddr es s

and

C onf i gur at i o n

Me m o r y

D e c oder

Da t a

O u t put

C ont r o l

D a t a P has e

R e co ve r y

S t at us

C ont r o l l er

BS 1/ S S

BS 2 / SC K

BS 3 / M O SI

D I/M IS O

B A L / S RDY

P O CS AG D e c o d e r

M 6502 C o r e

P r ogr am

RO M

SR AM

C har ac t e r

RO M

WD T

RT C

D u ty C y c l e C o n t r o l

DA 7

DA 6

DA 5

DA 4

DA 3

DA 2

DA 1

DA 0

8- bi t

D/ A

RS S I

BA F

DA _ O UT

P r e - sca l e r

S yst e m C l o ck

SP I

Ci r c u i t

NM I

IR Q

SP I C o n t r o l

P_ M O D E

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