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HT68FB540 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc |
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HT68FB540 Datasheet(HTML) 2 Page - Holtek Semiconductor Inc |
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2 / 199 page  Rev. 1.10 � ��ne 10� �01� Rev. 1.10 � ��ne 10� �01� HT68FB540/HT68FB550/HT68FB560 I/O Flash USB 8-Bit MCU with SPI HT68FB540/HT68FB550/HT68FB560 I/O Flash USB 8-Bit MCU with SPI Table of Contents Features............................................................................................................ 6 CPU Feat�res ......................................................................................................................... 6 Peripheral Feat�res................................................................................................................. 6 General Description......................................................................................... 7 Selection Table................................................................................................. 8 Block Diagram.................................................................................................. 8 Pin Assignment................................................................................................ 9 Pin Description .............................................................................................. 12 Absolute Maximum Ratings.......................................................................... 18 D.C. Characteristics....................................................................................... 18 A.C. Characteristics....................................................................................... 20 LVD & LVR Electrical Characteristics .......................................................... 21 Power on Reset (AC+DC) Electrical Characteristics.................................. 21 System Architecture...................................................................................... 22 Clocking and Pipelining......................................................................................................... �� Program Co�nter................................................................................................................... �� Stack ..................................................................................................................................... �4 Arithmetic and Logic Unit – ALU ........................................................................................... �4 Flash Program Memory................................................................................. 25 Str�ct�re................................................................................................................................ �5 Special Vectors ..................................................................................................................... �5 Look-�p Table........................................................................................................................ �6 Table Program Example........................................................................................................ �6 Partial Lock ........................................................................................................................... �7 In System Programming – ISP.............................................................................................. �8 Flash Memory Read/Write Page Size ................................................................................... �8 ISP Bootloader ...................................................................................................................... �0 Flash Program Memory Registers ........................................................................................ �0 In Application Program – IAP ............................................................................................... �4 In Circ�it Programming – ICP ............................................................................................... �8 On-Chip Deb�g S�pport – OCDS ......................................................................................... �8 RAM Data Memory......................................................................................... 39 Str�ct�re................................................................................................................................ �9 Special Function Register Description........................................................ 43 Indirect Addressing Registers – IAR0� IAR1 ......................................................................... 4� Memory Pointers – MP0� MP1 .............................................................................................. 4� Bank Pointer – BP................................................................................................................. 44 Acc�m�lator – ACC............................................................................................................... 45 |
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