32-bit ARM Cortex™-M3 MCU
HT32F1251/51B/52/53
List of Figures
Figure 1. HT32F125x Block Diagram..................................................................................................... 15
Figure 2. HT32F125x Memory Map........................................................................................................ 16
Figure 3. HT32F125x Clock Structure Diagram...................................................................................... 17
Figure 4. HT32F1251B 48LQFP Pin Assignment................................................................................... 18
Figure 5. HT32F1251/52/53 48LQFP Pin Assignment........................................................................... 19
Figure 6. ADC Sampling Network Model................................................................................................ 28
Figure 7. I2C Timing Diagram.................................................................................................................. 30
Figure 8. SPI Timing Diagram – SPI Master Mode................................................................................. 31
Figure 9. SPI Timing Diagram – SPI Slave Mode and CPHA=1............................................................. 32
Rev. 1.10
5 of 35
April 13, 2012