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W523A050 Datasheet(PDF) 5 Page - Winbond |
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W523A050 Datasheet(HTML) 5 Page - Winbond |
5 / 19 page W523AXXX Publication Release Date: May 20, 2003 - 5 - Revision A3 5. FUNCTIONAL DESCRIPTION I/O pins: The W523Axxx family provides up to 4 trigger pins, which can be extended to 24 matrix trigger inputs, up to 5 STOP output pins and up to 2 LED output pins. All of these I/O pins’ status can be easily defined by PowerSpeech program. Powerful programmable features: The W523Axxx family provides JUMP (JP), LOAD (LD), MOVE (MV), INC, and END commands and 10 programmable registers, such as R0 ~ R3, EN0, EN1, MODE0, MODE1, STOP and PAGE, can be easily used to program the desired playing mode, stop output signal form, LED flash type, and trigger pin interrupt modes. The chip’s programmable features can also be used to develop new, customized functions for a wide variety of innovative applications. Programmable Power-on Initialization: Whenever the W523Axxx is powered on or pressed the RESET pin, the program contained in the 32 nd voice group will be executed after the power-on delay (about 160 mS), so the user can write a program into this group to set the power-on initial state. If user does not wish to execute a program at power-on, an “END” instruction should be entered in the group 32. The interruption priority is shown as below while other trigger pins as well as JUMP (JP) command are executing simultaneously during POI executing period: POI > TG1F > TG1R > TG2F > TG2R > *TG5F > *TG5R > *TG6F > *TG6R > "JP" instruction. *: TG3, TG4 for W523A008, W523A010 5.1 Register Definition and Control The register file in the W523Axxx family is composed of 10 registers, including 4 general-purpose registers and 6 special purpose registers. They are defined to facilitate the operations for various purposes. The default setting values of the registers are given in the following table. REGISTER NAME DEFAULT SETTING General Register R0-R3 00100000B EN0 (W523A008~A010) 11111111B EN0 (W523A012~A120) XX11XX11B EN1 (W523A012~A120) XX11XX11B MODE0, MODE1 11111111B STOP XXX11111B Special Register PAGE 00000000B |
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