Renesas R8C/Tiny Series Manual descargar pdf (Pagina 117)

R8C/10 Group

Rev.1.20 Jan 27, 2006 page 107 of 180

REJ09B0019-0120

Figure 14.3 ADCON2 Register and AD Register

14. A/D Converter

A

D

c

o

n

t

r

o

l

r

e

g

i

s

t

e

r

2

(

1

)

Symbol Address After reset

ADCON2 00D4

16

00

16

b

7

b

6

b

5

b

4

b

3

b

2

b

1

b

0

A

D

c

o

n

v

e

r

s

i

o

n

m

e

t

h

o

d

s

e

l

e

c

t

b

i

t

0

:

W

i

t

h

o

u

t

s

a

m

p

l

e

a

n

d

h

o

l

d

1

:

W

i

t

h

s

a

m

p

l

e

a

n

d

h

o

l

d

B

i

t

s

y

m

b

o

lB

i

t

n

a

m

e Function

R

W

N

O

T

E

S

:

1

.

I

f

t

h

e

A

D

C

O

N

2

r

e

g

i

s

t

e

r

i

s

r

e

w

r

i

t

t

e

n

d

u

r

i

n

g

A

/

D

c

o

n

v

e

r

s

i

o

n

,

t

h

e

c

o

n

v

e

r

s

i

o

n

r

e

s

u

l

t

i

s

i

n

d

e

t

e

r

m

i

n

a

t

e

.

N

o

t

h

i

n

g

i

s

a

s

s

i

g

n

e

d

.

W

h

e

n

w

r

i

t

e

,

w

r

i

t

e

“

0

”

.

W

h

e

n

r

e

a

d

,

i

t

s

c

o

n

t

e

n

t

i

s

“

0

”

.

A

D

r

e

g

i

s

t

e

r

S

y

m

b

o

lA

d

d

r

e

s

sA

f

t

e

r

r

e

s

e

t

A

D 0

0

C

1

1

6

-

0

0

C

0

1

6

I

n

d

e

t

e

r

m

i

n

a

t

e

When BITS bit in ADCON1

register is set to “1” (10-bit

mode)

Function

(b

15

)

b

7

b

7

b

0

b

0

(b

8

)

A/D conversion result

N

o

t

h

i

n

g

i

s

a

s

s

i

g

n

e

d

.

W

h

e

n

w

r

i

t

e

,

s

e

t

t

o

“

0

”

.

W

h

e

n

r

e

a

d

,

i

t

s

c

o

n

t

e

n

t

i

s

“

0

”

.

When read, its content is

indeterminate.

SMP

000

R

e

s

e

r

v

e

d

b

i

tS

e

t

t

o

“

0

”

(

b

3

-

b

1

)

(

b

7

-

b

4

)

R

W

R

W

R

W

RO

RO

8

l

o

w

-

o

r

d

e

r

b

i

t

s

o

f

A

/

D

c

o

n

v

e

r

s

i

o

n

r

e

s

u

l

t

2 high-order bits of A/D

conversion result

When BITS bit in ADCON1

register is set to “0” (8-bit

mode)

1 2 ... 112 113 114 115 116 117 118 119 120 121 122 ... 198 199

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