Renesas 4513 Información técnica descargar pdf (Pagina 16)

4513/4514 Group

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

13

PORT BLOCK DIAGRAMS (continued)

P

5

0

–

P

5

3

D

T

Q

O

P

5

A

i

n

s

t

r

u

c

t

i

o

n

A

i

R

e

g

i

s

t

e

r

A

I

A

P

5

i

n

s

t

r

u

c

t

i

o

n

D

0

–

D

5

S

D

i

n

s

t

r

u

c

t

i

o

n

S

R

Q

D

e

c

o

d

e

r

S

k

i

p

d

e

c

i

s

i

o

n

(SZD instruction)

R

e

g

i

s

t

e

r

Y

RD instruction

D

6

/CNTR0

S

R

Q

S

k

i

p

d

e

c

i

s

i

o

n

(

S

Z

D

i

n

s

t

r

u

c

t

i

o

n

)

S

D

i

n

s

t

r

u

c

t

i

o

n

D

e

c

o

d

e

rR

e

g

i

s

t

e

r

Y

R

D

i

n

s

t

r

u

c

t

i

o

n

0

1

W

6

0

T

i

m

e

r

1

u

n

d

e

r

f

l

o

w

s

i

g

n

a

l

d

i

v

i

d

e

d

b

y

2

o

r

s

i

g

n

a

l

o

f

A

N

D

o

p

e

r

a

t

i

o

n

b

e

t

w

e

e

n

t

i

m

e

r

1

u

n

d

e

r

f

l

o

w

s

i

g

n

a

l

d

i

v

i

d

e

d

b

y

2

a

n

d

t

i

m

e

r

2

u

n

d

e

r

f

l

o

w

s

i

g

n

a

l

d

i

v

i

d

e

d

b

y

2

C

l

o

c

k

i

n

p

u

t

f

o

r

t

i

m

e

r

2

e

v

e

n

t

c

o

u

n

t

D7/CNTR1

S

R

Q

0

1

W

6

2

D

i

r

e

c

t

i

o

n

r

e

g

i

s

t

e

r

F

R

0

i

S

k

i

p

d

e

c

i

s

i

o

n

(SZD instruction)

SD instruction

D

e

c

o

d

e

rR

e

g

i

s

t

e

r

Y

R

D

i

n

s

t

r

u

c

t

i

o

n

C

l

o

c

k

i

n

p

u

t

f

o

r

t

i

m

e

r

4

e

v

e

n

t

c

o

u

n

t

T

h

i

s

s

y

m

b

o

l

r

e

p

r

e

s

e

n

t

s

a

p

a

r

a

s

i

t

i

c

d

i

o

d

e

o

n

t

h

e

p

o

r

t

.

•

A

p

p

l

i

e

d

p

o

t

e

n

t

i

a

l

t

o

p

o

r

t

s

D

0

–

D

7

m

u

s

t

b

e

1

2

V

.

•

i

r

e

p

r

e

s

e

n

t

s

0

,

1

,

2

,

o

r

3

.

•

T

h

e

4

5

1

3

G

r

o

u

p

d

o

e

s

n

o

t

h

a

v

e

p

o

r

t

P

5

.

•

C

L

D

i

n

s

t

r

u

c

t

i

o

n

T

i

m

e

r

3

u

n

d

e

r

f

l

o

w

s

i

g

n

a

l

d

i

v

i

d

e

d

b

y

2

o

r

s

i

g

n

a

l

o

f

A

N

D

o

p

e

r

a

t

i

o

n

b

e

t

w

e

e

n

t

i

m

e

r

3

u

n

d

e

r

f

l

o

w

s

i

g

n

a

l

d

i

v

i

d

e

d

b

y

2

a

n

d

t

i

m

e

r

4

u

n

d

e

r

f

l

o

w

s

i

g

n

a

l

d

i

v

i

d

e

d

b

y

2

CLD instruction

C

L

D

i

n

s

t

r

u

c

t

i

o

n

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 98 99

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