Part No.

Internal Clock

VDD

System Clock

Program Memory

Data Memory

I/O

Timer

Interrupt

Interface

A/D

D/A

PWM

R-Type LCD

PFD

Stack

Package

8-bit

16-bit

RTC

Ext.

Int.

HT56R22*

4MHz 8MHz 12MHz

2.2V~ 5.5V

400kHz~ 12MHz or 32768Hz

2Kx14

128x8

22

2

--

v

2

4

SPI/I2C, SPI

12-bitx8

12-bitx1

12-bitx3

4COM

v

6

16DIP/NSOP/SSOP, 20DIP/SOP/SSOP, 24SKDIP/SOP/SSOP

HT56R23*

4MHz 8MHz 12MHz

2.2V~ 5.5V

400kHz~ 12MHz or 32768Hz

4Kx15

256x8

42

2

1

v

2

4

SPI/I2C, SPI

12-bitx8

12-bitx1

12-bitx4

4COM

v

12

28SKDIP/SOP/SSOP, 44QFP

HT56R24*

4MHz 8MHz 12MHz

2.2V~ 5.5V

400kHz~ 12MHz or 32768Hz

8Kx16

640x8

42

2

1

v

2

4

SPI/I2C, SPI

12-bitx8

12-bitx1

12-bitx4

4COM

v

12

28SKDIP/SOP/SSOP, 44QFP

HT56R25*

4MHz 8MHz 12MHz

2.2V~ 5.5V

400kHz~ 12MHz or 32768Hz

16Kx16

1152x8

50

3

1

v

2

4

SPI/I2C, SPI

12-bitx8

12-bitx1

12-bitx4

4COM

v

12

28SKDIP/SOP/SSOP, 44/52QFP

HT56R26*

4MHz 8MHz 12MHz

2.2V~ 5.5V

400kHz~ 12MHz or 32768Hz

32kx16

2304x8

50

3

1

v

2

4

SPI/I2C, SPI

12-bitx8

12-bitx1

12-bitx4

4COM

v

12

28SKDIP/SOP/SSOP, 44/52QFP

* Under development, available in 1Q, 2010. Note: These devices are only available in OTP versions.