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MB90480 Datasheet(PDF) 11 Page - Fujitsu Component Limited. |
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MB90480 Datasheet(HTML) 11 Page - Fujitsu Component Limited. |
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11 / 120 page  MB90480/485 Series 11 (Continued) Pin No. Pin name I/O circuit type*3 Function QFP*1 LQFP*2 74 72 P54 D (CMOS) This is a general purpose I/O port. In external bus mode, when the HDE bit in the EPCR register is set to “1”, this pin functions as the HRQ pin. HRQ In external bus mode, this pin functions as the hold request input (HRQ) pin. When the HDE bit in the EPCR register is set to “0”, this pin functions as a general purpose I/O port. 75 73 P55 D (CMOS) This is a general purpose I/O port. In external bus mode, when the HDE bit in the EPCR register is set to “1”, this pin functions as the HAK pin. HAK In external bus mode, this pin functions as the hold acknowledge out- put (HAK) pin. When the HDE bit in the EPCR register is set to “0”, this pin functions as a general purpose I/O port. 76 74 P56 D (CMOS) This is a general purpose I/O port. In external bus mode, when the RYE bit in the EPCR register is set to “1”, this pin functions as the RDY pin. RDY In external bus mode, this pin functions as the external ready (RDY) input pin. When the RYE bit in the EPCR register is set to “0”, this pin functions as a general purpose I/O port. 78 76 P57 D (CMOS) This is a general purpose I/O port. In external bus mode, when the CKE bit in the EPCR register is set to “1”, this pin functions as the CLK pin. CLK In external bus mode, this pin functions as the machine cycle clock (CLK) output pin. When the CKE bit in the EPCR register is set to “0”, this pin functions as a general purpose I/O port. 38 to 41 36 to 39 P60 to P63 H (CMOS) These are general purpose I/O ports. AN0 to AN3 These are the analog input pins for A/D converter. 43 to 46 41 to 44 P64 to P67 H (CMOS) These are general purpose I/O ports. AN4 to AN7 These are the analog input pins for A/D converter. 27 25 P70 G (CMOS/H) This is a general purpose I/O port. SIN0 This is the UART serial data input pin. 28 26 P71 F (CMOS) This is a general purpose I/O port. SOT0 This is the UART serial data output pin. 29 27 P72 G (CMOS/H) This is a general purpose I/O port. SCK0 This is the UART serial communication clock I/O pin. 30 28 P73 G (CMOS/H) This is a general purpose I/O port. TIN0 This is the 16-bit reload timer event input pin. 31 29 P74 F (CMOS) This is a general purpose I/O port. TOT0 This is the 16-bit reload timer output pin. |
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