Rev. 1.10

14 of �5

���i� 1�� �01�

��-bit �RM Co�tex™-M� MCU

HT��F1�51/51B/5�/5�

Device Information

Most features are common to all devices while the main features distinguishing them are Flash

memory and SRAM memory capacities.

Table 1. HT32F125x Series Features and Peripheral List

Peripherals

HT32F1253

HT32F1252

HT32F1251 HT32F1251B

Main F�ash (KB)

�1

16

8

8

O�tion Bytes F�ash (KB)

1

1

1

1

SR�M (KB)

8

4

�

�

GPTM

�

RTC

1

WDT

1

US�RT

1

SPI

1

1

GPIO

��

�0

EXTI

16

1�-bit �DC

Numbe� of channe�s

1

8 Channe�s

OP�/Com�a�ato�

�

CPU f�equency

U� to 7� MHz

O�e�ating vo�tage

�.7 V ~ �.6 V

O�e�ating tem�e�atu�e

-40

℃ ~ +85 ℃

Package

LQFP48