ꢃꢅ-bit �RM Coꢁtex™-Mꢃ MCU
HTꢃꢅF1ꢅ51/51B/5ꢅ/5ꢃ
Table of Contents
1 General Description................................................................................................ 6
2 Features................................................................................................................... 7
Coꢁe.......................................................................................................................................7
On-chiꢀ Memoꢁy ....................................................................................................................7
Fꢂash Memoꢁy Contꢁoꢂꢂeꢁ .......................................................................................................8
Reset Contꢁoꢂ Unit .................................................................................................................8
Cꢂock Contꢁoꢂ Unit..................................................................................................................8
Poweꢁ Management...............................................................................................................9
�naꢂog to Digitaꢂ Conveꢁteꢁ....................................................................................................9
Analog Operational Amplifier/Comparator ............................................................................. 9
I/O Poꢁts...............................................................................................................................10
PWM Geneꢁation and Caꢀtuꢁe Timeꢁs.................................................................................10
Watchdog Timeꢁ................................................................................................................... 11
Reaꢂ Time Cꢂock................................................................................................................... 11
Inteꢁ-integꢁated Ciꢁcuit (IꢅC).................................................................................................1ꢅ
Seꢁiaꢂ Peꢁiꢀheꢁaꢂ Inteꢁface (SPI)..........................................................................................1ꢅ
Univeꢁsaꢂ Synchꢁonous �synchꢁonous Receiveꢁ Tꢁansmitteꢁ (US�RT)............................... 1ꢃ
Debug Suꢀꢀoꢁt.....................................................................................................................1ꢃ
Package and Oꢀeꢁation Temꢀeꢁatuꢁe..................................................................................1ꢃ
3 Overview................................................................................................................ 14
Device Infoꢁmation...............................................................................................................14
Bꢂock Diagꢁam .....................................................................................................................15
Memoꢁy Maꢀ........................................................................................................................16
Cꢂock Stꢁuctuꢁe ....................................................................................................................17
Pin �ssignment....................................................................................................................18
4 Electrical Characteristics..................................................................................... 22
�bsoꢂute Maximum Ratings.................................................................................................ꢅꢅ
DC Chaꢁacteꢁistics...............................................................................................................ꢅꢅ
On-Chiꢀ LDO Voꢂtage Reguꢂatoꢁ Chaꢁacteꢁistics................................................................. ꢅꢅ
Poweꢁ Consumꢀtion ............................................................................................................ꢅꢃ
Reset and Suꢀꢀꢂy Monitoꢁ Chaꢁacteꢁistics........................................................................... ꢅꢃ
Exteꢁnaꢂ Cꢂock Chaꢁacteꢁistics.............................................................................................ꢅ4
Inteꢁnaꢂ Cꢂock Chaꢁacteꢁistics..............................................................................................ꢅ5
PLL Chaꢁacteꢁistics..............................................................................................................ꢅ6
Memoꢁy Chaꢁacteꢁistics.......................................................................................................ꢅ6
Rev. 1.10
ꢅ of ꢃ5
�ꢀꢁiꢂ 1ꢃꢄ ꢅ01ꢅ
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
