HT46R01 datasheet(2/60 Pages) HOLTEK

2 / 60 page

Device Markings

A suffix with the number 1, 2 or 3 will be added to each of the part numbers and printed on the package. The suffix num-

ber denotes the fixed oscillation frequency of the internal RC oscillator as shown.

Part No.

Device Marking

Internal RC Oscillator Frequency

HT46R01

46R01-1

46R01-2

46R01-3

4MHz

8MHz

12MHz

HT46R02

46R02-1

46R02-2

46R02-3

4MHz

8MHz

12MHz

HT46R03

46R03-1

46R03-2

46R03-3

4MHz

8MHz

12MHz

Block Diagram

The following block diagram illustrates the main functional blocks.

Pin Assignment

HT46R01/HT46R02/HT46R03

Rev. 1.00

September 21, 2007

T i m i n g

G e n e r a t o r

S y s t e m R C / X ' t a l /

R T C O s c i l l a t o r

I n s t r u c t i o n

D e c o d e r

I n s t r u c t i o n

R e g i s t e r

W D T

O s c i l l a t o r

D a t a

M e m o r y

P o i n t e r

M U X

A C C

C o n f i g .

R e g i s t e r

W a t c h d o g

T i m e r

R e s e t &

L V R

C o n f i g .

R e g i s t e r

T i m e r ( s ) /

C o u n t e r

L o o k - u p

T a b l e

R e g i s t e r

P r o g r a m

M e m o r y

S t a c k

S t a c k P o i n t e r

P r o g r a m

C o u n t e r

L o o k - u p

T a b l e

P o i n t e r

C o n f i g .

R e g i s t e r

I / O

P o r t s

D e v i c e

P r o g r a m m i n g

C i r c u i t r y

C o n f i g u r a t i o n

O p t i o n

T o P r o g r a m

M e m o r y

A L U

S h i f t e r

C o n f i g .

R e g i s t e r

I n t e r r u p t

C i r c u i t

P F D

A / D

C o n v e r t e r

C o n f i g .

R e g i s t e r

P W M

B a n k

P o i n t e r

I n t e r n a l

O s c i l l a t o r

H T 4 6 R 0 1

1 0 M S O P - A

P A 3 / I N T / A N 3

P A 2 / T M R 0 / A N 2

P A 1 / P F D / A N 1

P A 0 / A N 0

V S S

P A 4 / P W M

P A 5 / O S C 2

P A 6 / O S C 1

P A 7 / R E S

V D D

1 0

P A 3 / I N T / A N 3

P A 2 / T M R 0 / A N 2

P A 1 / P F D / A N 1

P A 0 / A N 0

V S S

P A 4 / T M R 1 / P W M

P A 5 / O S C 2

P A 6 / O S C 1

P A 7 / R E S

V D D

1 0

H T 4 6 R 0 2 / H T 4 6 R 0 3

1 0 M S O P - A

HT46R01 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

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