46R01A1 데이터 시트보기 (PDF) - Holtek Semiconductor

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46R01A1

Small Package A/D Type 8-Bit OTP MCU

Holtek Semiconductor 

HT46R01A

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.

HT46R01A

Device Marking

46R01A1

46R01A2

46R01A3

Internal RC Oscillator Frequency

4MHz

8MHz

12MHz

Block Diagram

The following block diagram illustrates the main functional blocks.

O TP

P r o g r a m m in g

C ir c u itr y

I/O

P o rts

O TP

P ro g ra m

M e m o ry

S ta c k

R A M D a ta

M e m o ry

W a tc h d o g

T im e r

8 - b it

R IS C

M CU

C o re

W a tc h d o g

T im e r O s c illa to r

R eset

C ir c u it

In te rru p t

C o n tr o lle r

T im e r

P r o g r a m m a b le

F re q u e n c y

G e n e ra to r

PW M

D r iv e r

A /D

C o n v e rte r

Low

V o lta g e

R eset

R C /C ry s ta l

O s c illa to r

In te rn a l

O s c illa to r

Pin Assignment

P A 3 /IN 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

VSS

1

10

2

9

3

8

4

7

5

6

H T46R 01A

1 0 M S O P -A

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

VDD

Rev. 1.10

2

August 13, 2008

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