HT45F23A View Datasheet(PDF) - Holtek Semiconductor
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Description
Manufacturer
HT45F23A Datasheet PDF : 148 Pages
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HT45F23A
8-Bit Flash MCU with Op Amps & Comparators
Table of Contents
Features............................................................................................................. 7
CPU Features.......................................................................................................................... 7
Peripheral Features.................................................................................................................. 8
General Description.......................................................................................... 9
Block Diagram................................................................................................. 10
Pin Assignment................................................................................................11
Pin Description................................................................................................11
Absolute Maximum Ratings........................................................................... 14
D.C. Characteristics........................................................................................ 14
A.C. Characteristics........................................................................................ 17
OP Amplifier Electrical Characteristics........................................................ 18
Comparator Electrical Characteristics......................................................... 18
LDO 2.4V.......................................................................................................... 18
LDO 3.3V.......................................................................................................... 19
Power-on Reset Characteristics.................................................................... 19
System Architecture....................................................................................... 20
Clocking and Pipelining.......................................................................................................... 20
Program Counter.................................................................................................................... 21
Stack...................................................................................................................................... 22
Arithmetic and Logic Unit – ALU............................................................................................ 22
Flash Program Memory.................................................................................. 23
Structure................................................................................................................................. 23
Special Vectors...................................................................................................................... 23
Look-up Table......................................................................................................................... 24
Table Program Example......................................................................................................... 25
In Circuit Programming.......................................................................................................... 26
RAM Data Memory.......................................................................................... 27
Structure................................................................................................................................. 27
Special Function Registers.................................................................................................... 28
Indirect Addressing Registers – IAR0, IAR1.......................................................................... 28
Memory Pointers – MP0, MP1............................................................................................... 29
Bank Pointer BP..................................................................................................................... 30
Accumulator – ACC................................................................................................................ 30
Program Counter Low Register – PCL................................................................................... 30
Look-up Table Registers – TBLP, TBLH................................................................................. 30
Status Register – STATUS..................................................................................................... 31
EEPROM Data Memory................................................................................... 32
EEPROM Data Memory Structure......................................................................................... 32
EEPROM Registers............................................................................................................... 32
Rev. 1.00
2
July 03, 2012
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