HT45FH23A/HT45FH24A
Smoke Detector Flash MCU with Power Line Transceiver
Table of Contents
Features................................................................................................................. 7
MCU CPU Featuꢂes ...................................................................................................................... ꢆ
MCU Peꢂipheꢂal Featuꢂes ............................................................................................................. 8
Two Line Poweꢂ Line Data Tꢂansceiveꢂ Featuꢂes ......................................................................... 8
General Description.............................................................................................. 9
Selection Table.................................................................................................... 10
Block Diagram..................................................................................................... 10
Pin Assignment....................................................................................................11
Pin Description ....................................................................................................11
Unꢁonded MCU Pins .................................................................................................................. 13
Inteꢂnally Connected Pins ........................................................................................................... 1ꢃ
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............................................................................................................... ꢅ1
Pꢂogꢂaꢀ Counteꢂ......................................................................................................................... ꢅꢅ
Stack ........................................................................................................................................... ꢅ3
Aꢂithꢀetic and Logic Unit – ALU ................................................................................................. ꢅ3
Flash Program Memory...................................................................................... 24
Stꢂuctuꢂe...................................................................................................................................... ꢅꢃ
Special Vectoꢂs ........................................................................................................................... ꢅꢃ
Look-up Taꢁle.............................................................................................................................. ꢅ5
Taꢁle Pꢂogꢂaꢀ Exaꢀple.............................................................................................................. ꢅ6
In Ciꢂcuit Pꢂogꢂaꢀꢀing ............................................................................................................... ꢅꢆ
RAM Data Memory.............................................................................................. 28
Stꢂuctuꢂe...................................................................................................................................... ꢅ9
Special Function Registers................................................................................ 29
Indiꢂect Addꢂessing Registeꢂs – IAR0ꢄ IAR1 ............................................................................... 30
Meꢀoꢂy Pointeꢂs – MP0ꢄ MP1 .................................................................................................... 30
Bank Pointeꢂ – BP....................................................................................................................... 31
Accuꢀulatoꢂ – ACC..................................................................................................................... 31
Pꢂogꢂaꢀ Counteꢂ Low Registeꢂ – PCL........................................................................................ 3ꢅ
Rev. 1.00
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�oveꢀꢁeꢂ 1ꢃꢄ ꢅ01ꢆ
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