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MB90F481 Datasheet(PDF) 10 Page - Fujitsu Component Limited. |
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MB90F481 Datasheet(HTML) 10 Page - Fujitsu Component Limited. |
10 / 120 page MB90480/485 Series 10 (Continued) Pin No. Pin name I/O circuit type*3 Function QFP*1 LQFP*2 21, 22 19, 20 P43, P44 F (CMOS) MB90480 series This is a general purpose I/O port. A11, A12 In non-multiplex mode, this pin functions as an external address pin. P43, P44 F (CMOS) MB90485 series This is a general purpose I/O port. A11, A12 In non-multiplex mode, this pin functions as an external address pin. MT00, MT01 µPG output pin. 24 22 P45 F (CMOS) MB90480 series This is a general purpose I/O port. A13 In non-multiplex mode, this pin functions as an external address pin. P45 G (CMOS/H) MB90485 series This is a general purpose I/O port. A13 In non-multiplex mode, this pin functions as an external address pin. EXTC*4 µPG input pin. 25, 26 23, 24 P46, P47 F (CMOS) This is a general purpose I/O port. A14, A15 In non-multiplex mode, this pin functions as an external address pin. OUT4/ OUT5 Output compare event output pins. 70 68 P50 D (CMOS) This is a general purpose I/O port. In external bus mode, this pin functions as the ALE pin. ALE In external bus mode, this pin functions as the address load enable (ALE) signal pin. 71 69 P51 D (CMOS) This is a general purpose I/O port. In external bus mode, this pin functions as the RD pin. RD In external bus mode, this pin functions as the read strobe output (RD) signal pin. 72 70 P52 D (CMOS) This is a general purpose I/O port. In external bus mode, when the WRE bit in the EPCR register is set to “1”, this pin functions as the WRL pin. WRL In external bus mode, this pin functions as the lower data write strobe output (WRL) pin. When the WRE bit in the EPCR register is set to “0”, this pin functions as a general purpose I/O port. 73 71 P53 D (CMOS) This is a general purpose I/O port. In external bus mode with 16-bit bus width, when the WRE bit in the EPCR register is set to “1”, this pin functions as the WRH pin. WRH In external bus mode with 16-bit bus width, this pin functions as the upper data write strobe output (WRH) pin. When the WRE bit in the EPCR register is set to “0”, this pin functions as a general purpose I/O port. |
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