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M38B53M4-059FP датащи(PDF) 281 Page - Mitsubishi Electric Semiconductor |
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M38B53M4-059FP датащи(HTML) 281 Page - Mitsubishi Electric Semiconductor |
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281 / 355 page ![]() 38B5 Group User’s Manual 3-33 APPENDIX 3.5 Control registers 3.5 Control registers Fig. 3.5.1 Structure of port Pi Fig. 3.5.2 Structure of port Pi direction register Port Pi b7 b6 b5 b4 b3 b2 b1 b0 Port Pi (i = 0, 1, 2, 3, 4, 5, 7, 8) (Pi: addresses 0016, 0216, 0416, 0616, 0816, 0A16, 0E16, 1016) b 0 0 Port Pi0 qIn output mode Write •••••••• Port latch Read •••••••• Port latch qIn input mode Write •••••••• Port latch Read •••••••• Value of pin Port Pi1 Port Pi2 Port Pi3 Port Pi4 Port Pi5 Port Pi6 Port Pi7 Functions Name At reset R W 1 0 2 0 3 0 4 0 5 0 6 0 7 0 Port Pi direction register b7 b6 b5 b4 b3 b2 b1 b0 Port Pi direction register (i = 0, 2, 4, 5, 7, 8) (PiD: addresses 0116, 0516, 0916, 0B16, 0F16, 1116) 0 : Port Pi0 input mode 1 : Port Pi0 output mode b 0 1 2 3 4 5 6 7 Name 0 Functions At reset R W 0 : Port Pi1 input mode 1 : Port Pi1 output mode 0 0 : Port Pi2 input mode 1 : Port Pi2 output mode 0 0 : Port Pi3 input mode 1 : Port Pi3 output mode 0 0 : Port Pi4 input mode 1 : Port Pi4 output mode 0 0 : Port Pi5 input mode 1 : Port Pi5 output mode 0 0 : Port Pi6 input mode 1 : Port Pi6 output mode 0 0 : Port Pi7 input mode 1 : Port Pi7 output mode (Note) 0 Port Pi direction register Note: Bit 7 of the port P4 direction register (address 0916) does not have direction register function because P47 is input port. When writing to bit 7 of the port P4 direction register, write “0” to the bit. |
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