| Part No. |
Internal
Clock |
VDD |
System
Clock |
Program
Memory |
Data
Memory |
I/O |
Timer |
Interface |
A/D |
D/A |
PWM |
R-Type
LCD |
PFD |
Stack |
Package |
| 8-bit |
16-bit |
RTC |
| HT56R22 |
4MHz
8MHz
12MHz |
2.2V~
5.5V |
400kHz~
12MHz or
32768Hz |
2Kx14 |
128x8 |
22 |
2 |
-- |
v |
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 |
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 |
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 |
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 |
SPI/I2C,
SPI |
12-bitx8 |
12-bitx1 |
12-bitx4 |
4COM |
v |
12 |
28SKDIP/SOP/SSOP,
44/52QFP |
Note: These devices are only available in OTP versions.
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