HT85F2262 MCU Datasheet

HT85F2262 Datasheet, PDF, Equivalent


Part Number

HT85F2262

Description

A/D Flash 8051 Core Low Pin Count MCU

Manufacture

Holtek Semiconductor

Total Page 30 Pages
Datasheet
Download HT85F2262 Datasheet


HT85F2262
A/D Flash 8051 Core Low Pin Count MCU
HT85F2250/HT85F2262
Revision: V1.10 Date: �Ju�l��y��3�1�,��2�0�1�5

HT85F2262
A/D Flash 8051 Core Low Pin Count MCU
HT85F2250/HT85F2262
Table of Contents
1 Features.................................................................................................................. 14
CPU Features.................................................................................................................... 14
Peripheral Features............................................................................................................ 15
2 General Description .............................................................................................. 16
3 Selection Table....................................................................................................... 17
4 Block Diagram........................................................................................................ 18
5 Pin Assignment...................................................................................................... 19
6 Pin Descriptions.................................................................................................... 21
7 Absolute Maximum Ratings.................................................................................. 23
8 D.C. Characteristics............................................................................................... 24
9 A.C. Characteristics............................................................................................... 26
10 ADC Electrical Characteristics........................................................................... 27
11 Comparator Electrical Characteristics............................................................... 28
12 Power on Reset Electrical Characteristics........................................................ 29
13 System Architecture............................................................................................ 29
14 Program Counter................................................................................................. 30
15 Stack..................................................................................................................... 30
16 Arithmetic and Logic Unit – ALU........................................................................ 31
17 Flash Program Memory....................................................................................... 32
Structure............................................................................................................................. 32
Special Vectors.................................................................................................................. 32
In-Circuit Programming – ICP............................................................................................ 33
On-Chip Debug Support – OCDS...................................................................................... 33
In-Application Programming – IAP..................................................................................... 33
Flash Program Memory Resisters...................................................................................... 34
Flash Memory Read/Write Operations............................................................................... 38
Unlocking the Flash Memory......................................................................................................... 38
Page Erase Operation................................................................................................................... 39
Byte Read Operation..................................................................................................................... 40
Byte Write Operation..................................................................................................................... 41
Program Memory Protection.............................................................................................. 43
Rev. 1.10
2 of 187
July 31, 2015


Features A/D Flash 8051 Core Low Pin Count MCU HT 85F2250/HT85F2262 Revision: V1.10 Date: �Ju�l��y��3�1�,��2 �0�1�5 A/D Flash 8051 Core Low P in Count MCU HT85F2250/HT85F2262 Table of Contents Table of Contents 1 Featu res.................................... ....................................... ....................................... 14 CPU Features....................... ....................................... ....................................... ............... 14 Peripheral Features. ....................................... ....................................... ............................. 15 2 Gene ral Description ....................... ....................................... ................................ 16 3 S election Table......................... ....................................... ....................................... 17 4 Block Diagram.................... ....................................... ............................................. 18 5 Pin Assignment.........................
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