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  Holtek Semiconductor Electronic Components Datasheet  

HT45FH24A Datasheet

Smoke Detector Flash MCU

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Smoke Detector Flash MCU with Power Line Transceiver
HT45FH23A/HT45FH24A
Revision: V1.00 Date: �N�o�ve��mb��e�r�1��4,���2�0�1�7


  Holtek Semiconductor Electronic Components Datasheet  

HT45FH24A Datasheet

Smoke Detector Flash MCU

No Preview Available !

HT45FH23A/HT45FH24A
Smoke Detector Flash MCU with Power Line Transceiver
Table of Contents
Features.................................................................................................................. 7
MCU CPU Features....................................................................................................................... 7
MCU Peripheral Features.............................................................................................................. 8
Two Line Power Line Data Transceiver Features.......................................................................... 8
General Description............................................................................................... 9
Selection Table..................................................................................................... 10
Block Diagram...................................................................................................... 10
Pin Assignment.....................................................................................................11
Pin Description.....................................................................................................11
Unbonded MCU Pins................................................................................................................... 13
Internally Connected Pins............................................................................................................ 14
Absolute Maximum Ratings................................................................................ 14
D.C. Characteristics............................................................................................. 15
A.C. Characteristics............................................................................................. 17
OP Amplifier Electrical Characteristics............................................................. 18
Comparator Electrical Characteristics.............................................................. 18
LDO 2.4V............................................................................................................... 19
LDO 3.3V............................................................................................................... 19
Two Line Type Power Line Data Transceiver Characteristics ........................ 19
Power-on Reset Characteristics......................................................................... 20
System Architecture............................................................................................ 21
Clocking and Pipelining................................................................................................................ 21
Program Counter.......................................................................................................................... 22
Stack............................................................................................................................................ 23
Arithmetic and Logic Unit – ALU.................................................................................................. 23
Flash Program Memory....................................................................................... 24
Structure....................................................................................................................................... 24
Special Vectors............................................................................................................................ 24
Look-up Table............................................................................................................................... 25
Table Program Example............................................................................................................... 26
In Circuit Programming................................................................................................................ 27
RAM Data Memory............................................................................................... 28
Structure....................................................................................................................................... 29
Special Function Registers................................................................................. 29
Indirect Addressing Registers – IAR0, IAR1................................................................................ 30
Memory Pointers – MP0, MP1..................................................................................................... 30
Bank Pointer – BP........................................................................................................................ 31
Accumulator – ACC...................................................................................................................... 31
Program Counter Low Register – PCL......................................................................................... 32
Rev. 1.00
2 November 14, 2017


Part Number HT45FH24A
Description Smoke Detector Flash MCU
Maker Holtek Semiconductor
Total Page 30 Pages
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