Datenblatt-Suchmaschine für elektronische Bauteile |
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MTV412MS128 Datenblatt(PDF) 9 Page - List of Unclassifed Manufacturers |
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MTV412MS128 Datenblatt(HTML) 9 Page - List of Unclassifed Manufacturers |
9 / 26 page MYSON-CENTURY TECHNOLOGY MTV412M (Rev 0.9) Revision 0.9 - 9 - April 2002 4. I/O Ports 4.1 Port1 Port1 is a group of pseudo open drain pins or CMOS output pins. It can be used as general purpose I/O. Behavior of Port1 is the same as standard 8051. 4.2 P3.0-2, P3.4 If these pins are not set as IIC pins, Port3 can be used as general purpose I/O, interrupt, UART and Timer pins. Behavior of Port3 is the same as standard 8051. 4.3 Port4, Port5, Port6 and Port7 Port5, Port6 and Port7 are used as general purpose I/O. S/W needs to set the corresponding P5(n)oe, P6(n)oe and P7(n)oe to define whether these pins are input or output. Port4 is pure output. Reg name addr bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 PORT5 F30h(r/w) P50 PORT5 F31h(r/w) P51 PORT5 F32h(r/w) P52 PORT5 F33h(r/w) P53 PORT5 F34h(r/w) P54 PORT5 F35h(r/w) P55 PORT5 F36h(r/w) P56 PORT6 F38h(r/w) P60 PORT6 F39h(r/w) P61 PORT6 F3Ah(r/w) P62 PORT6 F3Bh(r/w) P63 PORT6 F3Ch(r/w) P64 PORT6 F3Dh(r/w) P65 PORT6 F3Eh(r/w) P66 PORT6 F3Fh(r/w) P67 PORT4 F58h(w) P40 PORT4 F59h(w) P41 PORT4 F5Ah(w) P42 PORT7 F70h(r/w) P70 PORT7 F71h(r/w) P71 PORT7 F72h(r/w) P72 PORT7 F73h(r/w) P73 PORT7 F74h(r/w) P74 PORT7 F75h(r/w) P75 PORT7 F76h(r/w) P76 PORT7 F77h(r/w) P77 PORT5 (r/w) : Port 5 data input/output value. PORT6 (r/w) : Port 6 data input/output value. PORT4 (w) : Port 4 data output value. PORT7 (r/w) : Port 7 data input/output value. 5. PWM DAC Each output pulse width of PWM DAC converter is controlled by an 8-bit register in XFR. The frequency of |
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