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MA009AH Datasheet(PDF) 6 Page - Megawin Technology Co., Ltd |
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MA009AH Datasheet(HTML) 6 Page - Megawin Technology Co., Ltd |
6 / 19 page 6 MA009A Technical Summary MEGAWIN function will make the mater to expand interrupt pins very easily. I/O Port 1 Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 P1 P17 P16 P15 P14 P13 P12 P11 P10 Port P1 input or output status register. Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 P1CR - - - - - - CR11 CR10 Port P1 I/O control register. P1CR.0: P1.0 ~ P1.3 is input or output, 0: input, 1: output P1CR.1: P1.4 ~ P1.7 is input or output, 0: input, 1: output Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 P1POR - - - - - - PO11 PO10 Port P1 pull high/output mode control register. If P1CR.x == 0 (input mode) P1POR.0: P1.0 ~ P1.3 pull high control, 0: enable (large resistance, 350K), 1: disable P1POR.1: P1.4 ~ P1.7 pull high control, 0: enable (large resistance, 350K), 1: disable If P1CR.x == 1 (output mode) P1POR.0: P1.0 ~ P1.3 CMOS/NMOS selector, 0: CMOS, 1: NMOS P1POR.1: P1.4 ~ P1.7 CMOS/NMOS selector, 0: CMOS, 1: NMOS Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 P1PSR - - - - - - PS11 PS10 Port P1 strong pull high selection register. If P1CR.x == 0 (input mode) P1PSR.0: P1.0 ~ P1.3 strong pull high control, 0: disable, 1: enable (small resistance, 50K) P1PSR.1: P1.4 ~ P1.7 strong pull high control, 0: disable, 1: enable (small resistance, 50K) Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 P1SCR - - - - - - SC11 SC10 Port P1 sink control register. If P1CR.x == 1 (output mode) P1SCR.0: P1.0 ~ P1.3 output sink ability control, 0: weak, 1: strong (large sink current) P1SCR.1: P1.4 ~ P1.7 output sink ability control, 0: weak, 1: strong (large sink current) |
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