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ST7522 Datasheet(PDF) 43 Page - Sitronix Technology Co., Ltd. |
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ST7522 Datasheet(HTML) 43 Page - Sitronix Technology Co., Ltd. |
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43 / 45 page  ST7522 Ver 1.0c 43/45 2002/07/10 T TH HE E M MP PU U IIN NT TE ER RF FA AC CE E ((R RE EF FE ER RE EN NC CE E E EX XA AM MP PL LE ES S)) The ST7522 Series can be connected to either 80x86 Series MPUs or to 68000 Series MPUs. Moreover, using the serial interface it is possible to operate the ST7522 series chips with fewer signal lines. The display area can be enlarged by using multiple ST7522 Series chips. When this is done, the chip select signal can be used to select the individual ICs to access. (1) 8080 Series MPUs GND VCC DECODER VSS VDD VDD P/S C86 A0 CS1 CS2 D0 to D7 RD WR RES RESET A0 A1 to A7 IORQ D0 to D7 RD WR RES (2) 6800 Series MPUs GND VCC DECODER VSS VDD VDD P/S C86 A0 CS1 CS2 D0 to D7 E R/W RES RESET A0 A1 to A15 VMA D0 to D7 E R/W RES (3) Using the Serial Interface GND VCC DECODER VSS VDD VDD P/S A0 CS1 CS2 D0 to D5 SI SCL RES RESET A0 A1 to A7 PORTA PORTB RES C86 |
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