Timing Diagrams

Read Data Transfer

Write Data Transfer

Application Circuits

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

Refer to the suggestion table of page 7.

Rev. 1.10

9

July 18, 2008

C D H

t

C o m m a n d B y t e

C C

t

C D Z

t

D C

t

C D D

t

S C L K

I / O

0

7

7

0

O u t p u t D a t a B y t e

R E S T

H T 1 3 8 0 / H T 1 3 8 1

M C U

I n t e r f a c e

S C L K

I / O

R E S T

X 1

X 2

V S S

3 2 7 6 8 H z

* C 1

* C 2

V D D

C L

t

C H

t

C C

t

ft

rt

C C H

t

C W H

t

C D H

t

C o m m a n d B y t e

D C

t

S C L K

I / O

0

7

7

0

I n p u t D a t a B y t e

R E S T