HT68F20 datasheet(2/210 Pages) HOLTEK

2 / 210 page

Selection Table

Most features are common to all devices, the main feature distinguishing them are Memory capacity, I/O count, TM

features, stack capacity and package types. The following table summarises the main features of each device.

Part No.

VDD

Program

Memory

Data

Memory

Data

EEPROM

I/O

Ext.

Interrupt

Timer

Module

Interface

(SPI/I

2C)

Stack

Package

HT68F20*

2.2V~

5.5V

´14

´832´818

10-bit CTM

´1,

10-bit STM

´1

16DIP/NSOP/SSOP

20DIP/SOP/SSOP

HT68F30

2.2V~

5.5V

´14

´864´822

10-bit CTM

´1,

10-bit ETM

´1

16DIP/NSOP/SSOP

20DIP/SOP/SSOP

24SKDIP/SOP/SSOP

HT68F40

2.2V~

5.5V

´15

192

´8

128

´842

10-bit CTM

´1,

10-bit ETM

´1,

16-bit STM

´1

24/28SKDIP/SOP/SSOP

44QFP, 32/40/48QFN

48SSOP

HT68F50

2.2V~

5.5V

´16

384

´8

256

´842

10-bit CTM

´2,

10-bit ETM

´1,

16-bit STM

´1

28SKDIP/SOP/SSOP

44QFP, 40/48QFN

48SSOP

HT68F60*

2.2V~

5.5V

12K

´16

576

´8

256

´850

10-bit CTMx2,

10-bit ETMx1,

16-bit STMx1

44/52QFP, 40/48QFN

48SSOP

Note:

²*² Under development, available in 1Q, 2010

As devices exist in more than one package format, the table reflects the situation for the package with the most

pins.

Block Diagram

HT68F20/HT68F30/HT68F40/HT68F50/HT68F60

Rev. 1.00

November 3, 2009

F l a s h / E E P R O M

P r o g r a m m i n g

C i r c u i t r y ( I S P )

W a t c h d o g

T i m e r

8 - b i t

R I S C

M C U

C o r e

R e s e t

C i r c u i t

I n t e r r u p t

C o n t r o l l e r

E R C / H X T

O s c i l l a t o r

L I R C / L X T

O s c i l l a t o r

H I R C

O s c i l l a t o r

S t a c k

E E P R O M

D a t a

M e m o r y

F l a s h

P r o g r a m

M e m o r y

R A M

D a t a

M e m o r y

I / O

S I M

T M 0

L o w

V o l t a g e

R e s e t

L o w

V o l t a g e

D e t e c t

T M 1

T M n

C o m p a r a t o r s

T B 0 / T B 1

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