HT56R25 datasheet(2/131 Pages) HOLTEK

2 / 131 page

Selection Table

Part No.

Program

Memory

Data

Memory

I/O

Timer

Time

Base

HIRC

(MHz)

RTC

(LXT)

LCD

SCOM

A/D

D/A

PWM

Stack

Package

8-bit 16-bit

HT56R22

´14

128

´8

4/8/12

12-bit

´8 12-bit´1 12-bit´3

16DIP/NSOP/SSOP

20DIP/SOP/SSOP

24SKDIP/SOP/SSOP

HT56R23

´15

256

´8

4/8/12

12-bit

´8 12-bit´1 12-bit´4

28SKDIP/SOP/SSOP

44QFP

HT56R24

´16

640

´8

4/8/12

12-bit

´8 12-bit´1 12-bit´4

28SKDIP/SOP/SSOP

44QFP

HT56R25

16K

´16

1152

´8

4/8/12

12-bit

´8 12-bit´1 12-bit´4

28SKDIP/SOP

28SSOP(209mil)

44/52QFP

HT56R26

32K

´16

2304

´8

4/8/12

12-bit

´8 12-bit´1 12-bit´4

28SKDIP/SOP

28SSOP(209ml)

44/52QFP

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

The following block diagram illustrates the main functional blocks.

HT56R22/HT56R23/HT56R24/HT56R25/HT56R26

Rev. 1.00

March 11, 2010

8 - b i t

R I S C

M C U

C o r e

T i m e r

I / O

P o r t s

T i m e

B a s e

L C D

S C O M

P F D

D r i v e r

P W M

D r i v e r

R O M / R A M

M e m o r y

T i m i n g

G e r n e r a t i o n

D / A

C o n v e r t e r

A / D

C o n v e r t e r

HT56R25 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

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