Timing Diagrams

Read data transfer

Write data transfer

Application Circuits

HT1380/HT1381

9

October 2, 1999

CDH

t

CO M M A N D B Y T E

CC

t

CDZ

t

DC

t

CDD

t

SC L K

I/O

0

7

7

0

O U T P U T D AT A BYT E

RE S T

H T 1380/ H T 1381

m p

In te rfa c e

SC L K

I/O

RE S T

X1

X2

VS S

3276 8H z

*C 1

*C 2

*Note: The value of the capacity depends on how accurate the crystal is.

Refer to the suggestion table of page 7.

CL

t

CH

t

CC

t

CCH

t

CW H

t

CDH

t

CO M M A N D B Y T E

DC

t

SC L K

I/O

0

7

7

0

I N P U T D A TA B Y T E

RE S T