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HT1626 Datasheet(PDF) 9 Page - Holtek Semiconductor Inc |
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HT1626 Datasheet(HTML) 9 Page - Holtek Semiconductor Inc |
9 / 15 page Timing Diagrams READ Mode (Command Code:110) READ Mode (Successive Address Reading) HT1626 Rev. 1.60 9 November 9, 2010 PATENTED The following are the data mode ID and the command mode ID: Operation Mode ID READ Data 1 1 0 WRITE Data 1 0 1 READ-MODIFY-WRITE Data 1 0 1 COMMAND Command 1 0 0 If successive commands have been issued, the com- mand mode ID can be omitted. While the system is op- erating in the non-successive command or the non-successive address data mode, the CS pin should be set to ²1², and the previous operation mode will be reset also. The CS pin returns to ²0², a new operation mode ID should be issued first. Name Command Code Function TONE OFF 0000-1000-X Turn-off tone output TONE 4K 010X-XXXX-X Turn-on tone output, tone frequency is 4kHz TONE 2K 0110-XXXX-X Turn-on tone output, tone frequency is 2kHz R D D A T A W R 1 1 0 A 7 A 6 A 1 A 0 D 0 D 1 D 2 D 3 M e m o r y A d d r e s s 1 ( M A 1 ) D a t a ( M A 2 ) 1 1 0 A 1 A 0 D 0 D 1 D 2 D 3 D a t a ( M A 1 ) M e m o r y A d d r e s s 2 ( M A 2 ) C S A 7 A 6 A 5 A 4 A 3 A 2 A 5 A 4 A 3 A 2 R D D A T A C S W R 1 1 0 A 1 A 0 D 0 D 1 D 2 D 3 M e m o r y A d d r e s s ( M A ) D a t a ( M A ) D 0 D 1 D 2 D 3 D 0 D 1 D 2 D 3 D 0 D 1 D 2 D 3 D 0 D a t a ( M A + 1 ) D a t a ( M A + 2 ) D a t a ( M A + 3 ) A 7 A 6 A 5 A 4 A 3 A 2 W D T E N / D I S I R Q E N / D I S D C K Q R C L R W D T C l o c k S o u r c e / 4 / 2 5 6 T i m e B a s e C L R T i m e r I R Q W D T V D D T I M E R E N / D I S Timer and WDT Configurations |
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