HT45FM2C datasheet(58/171 Pages) HOLTEK

58 / 171 page

Rev. 1.10

�a� �0� �01�

Rev. 1.10

�a� �0� �01�

HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

Preliminar�

I/O Pin Structures

TheaccompanyingdiagramsillustratetheinternalstructuresofsomegenericI/Opintypes.As

theexactlogicalconstructionoftheI/Opinwilldifferfromthesedrawings,theyaresuppliedasa

guideonlytoassistwiththefunctionalunderstandingoftheI/Opins.Thewiderangeofpin-shared

structuresdoesnotpermitalltypestobeshown.

V DD

Wa ke - up Se le ct

S yst em W ak e- up

R ead Da ta R egi st er

Co nt ro l Bi t

Da ta B us

Wr it e C ont ro l Re gi st er

Ch ip R es et

Re ad C on tr ol R eg is te r

Wr it e Da ta R egi st er

Da ta B it

I/O p in

We ak

Pu ll- up

Pu ll -H ig h

Re gi st er

Se le ct

PA on ly

Generic Input/Output Structure

V DD

R ead Da ta R egi st er

C ont ro l Bi t

Da ta B us

Wr it e C ont ro l R egi st er

Ch ip R es et

R ead Co nt ro l Re gi st er

Wr it e Da ta R egi st er

Da ta B it

A/ D I nput P or t

AC S3 ~A CS 0

To A /D C onv er te r

We ak

Pu ll- up

A nal og

I npu t

Se le ct or

Pu ll -H ig h

R egi st er

Se le ct

A/D Input/Output Structure

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