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HT1130 Datasheet

Part Number HT1130
Manufacturers Holtek Semiconductor
Logo Holtek Semiconductor
Description 4-bit Microcontroller
Datasheet HT1130 DatasheetHT1130 Datasheet (PDF)

HT1130 4-bit Microcontroller Features · Operating voltage: 2.4V~3.3V · 12 input lines · Four output lines · Five working registers · Sound effect circuit · 4K ´ 8 program ROM · 128 ´ 4 bits data memory RAM size · 32 ´ 4 segment LCD driver · RC oscillator for system clock · Halt feature reduces power consumption General Description The HT1130 is a processor from Holtek s 4-bit stand alone single chip microcontroller range specifically designed for LCD product applications. The device is ideally .

  HT1130   HT1130






4-bit Microcontroller

HT1130 4-bit Microcontroller Features · Operating voltage: 2.4V~3.3V · 12 input lines · Four output lines · Five working registers · Sound effect circuit · 4K ´ 8 program ROM · 128 ´ 4 bits data memory RAM size · 32 ´ 4 segment LCD driver · RC oscillator for system clock · Halt feature reduces power consumption General Description The HT1130 is a processor from Holtek s 4-bit stand alone single chip microcontroller range specifically designed for LCD product applications. The device is ideally suited for multiple · Internal timer overflow interrupt · External interrupt · One level subroutine nesting · 8-bit timer with internal or external clock source · 8-bit table read instruction · Up to 4ms instruction cycle with 1MHz sys- tem clock at VDD=3V · All instructions in 1 or 2 machine cycles LCD low power applications among which are calculators, scales and hand-held LCD products. 1 May 24, 1999 Block Diagram O SCI O SCO IN T RES TEST1 TEST2 T1D T256 V LC D VDD VSS C o n tro l and T im in g C ir c u it S ta c k PC A LU ACC ROM In s tr u c tio n D ecoder R0 R1 R2 R3 R4 T e m p o ra ry D a ta R A M D is p la y D a ta R A M L C D D r iv e r HT1130 T im e r PA PP PS PM S ound E ffe c t TM C LK PA0 PA1 PA2 PA3 PP0 PP1 PP2 PP3 PS0 PS1 PS2 PS3 PM 0 PM 1 PM 2 PM 3 BZ BZ COM 3 COM 2 COM 1 COM 0 S E G 31 S E G 30 SEG 1 SEG 0 Notes: ACC: Accumulator PC: Program counter R0~R4: Working registers PA: Output port PS,PM,PP: Input ports 2 May 24, 1999 Pad Assignment HT1130 S.


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