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MB90F584CA Datasheet(PDF) 9 Page - Fujitsu Component Limited. |
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MB90F584CA Datasheet(HTML) 9 Page - Fujitsu Component Limited. |
9 / 112 page MB90580C Series DS07-13710-7E 9 ■ PIN DESCRIPTION *1: FPT-100P-M06 *2: FPT-100P-M20 (Continued) Pin no. Pin name Circuit type Function QFP*1 LQFP*2 82 80 X0 A Oscillator pin 83 81 X1 A Oscillator pin 52 50 HST C Hardware standby input pin 77 75 RST B Reset input pin 85 to 92 83 to 90 P00 to P07 D (CMOS/H) General-purpose I/O ports. A pull-up resistor can be assigned (RD07 to RD00=“1”) by the pull- up resistor setting register (RDR0). [These pins are disabled with the output setting (DDR0 register: D07 to D00=“1”).] AD00 to AD07 In external bus mode, the pins function as the lower data I/O or low- er address outputs (AD00 to AD07). 93 to 100 91 to 98 P10 to P17 D (CMOS/H) General-purpose I/O ports. A pull-up resistor can be assigned (RD17 to RD10=“1”) by the pull- up resistor setting register (RDR1). [These pins are disabled with the output setting (DDR1 register: D17 to D10 =“1”).] AD08 to AD15 In 16-bit external bus mode, the pins function as the upper data I/O or middle address outputs (AD08 to AD15). 1 to 8 99,100, 1 to 6 P20 to P27 F (CMOS/H) General-purpose I/O ports In external bus mode, pins for which the corresponding bit in the HACR register is “1” function as the A16 to A23 pins. A16 to A23 In external bus mode, pins for which the corresponding bit in the HACR register is “1” function as the upper address output pins (A16 to A23). 97 P30 F (CMOS/H) General-purpose I/O port Functions as the ALE pin in external bus mode. ALE Functions as the address latch enable signal pin (ALE) in external bus mode. 10 8 P31 F (CMOS/H) General-purpose I/O port Functions as the RD pin in external bus mode. RD Functions as the read strobe output pin (RD) in external bus mode. 12 10 P32 F (CMOS/H) General-purpose I/O port Functions as the WRL pin in external bus mode if the WRE bit is “1”. WRL Functions as the lower data write strobe output pin (WRL) in external bus mode. 13 11 P33 F (CMOS/H) General-purpose I/O port Functions as the WRH pin in 16-bit external bus mode if the WRE bit in the EPCR register is “1” WRH Functions as the upper data write strobe output pin (WRH) in external bus mode. |
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