HT56R66 datasheet(2/104 Pages) HOLTEK

2 / 104 page

Selection Table

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

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

Part No.

VDD

Program

Memory

Data

Memory

I/O

LCD

Timer

A/D

PWM

Stack

Package

8-bit 16-bit

HT56R66

2.2V~

5.5V

16K

´16

1152

´8

´4

´3

12-bit

´8 12-bit´4

52QFP,

64LQFP,

100QFP

HT56R666

2.2V~

5.5V

16K

´16

1152

´8

´16

´8

12-bit

´8 12-bit´4

100QFP

Note:

1. The devices are only available in OTP versions.

2. For devices that exist in more than one package formats, the table reflects the situation for the larger

package.

Block Diagram

HT56R66/HT56R666

Rev. 1.10

September 8, 2009

O T P

P r o g r a m m i n g

C i r c u i t r y

W a t c h d o g

T i m e r

W a t c h d o g

T i m e r O s c i l l a t o 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 x t e r n a l

R C / C r y s t a l

O s c i l l a t o r

A / D

C o n v e r t e r

P r o g r a m m a b l e

F r e q u e n c y

G e n e r a t o r

P W M

G e n e r a t o r

E x t e r n a l R T C

O s c i l l a t o r

I n t e r n a l R C

O s c i l l a t o r

I / O

P o r t s

R A M

D a t a

M e m o r y

O T P

P r o g r a m

M e m o r y

S t a c k

L C D / L E D

D r i v e r

I 2 C / S P I

T i m e r s

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

HT56R66 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

HT56R66 Datasheet(HTML) 2 Page - Holtek Semiconductor Inc

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