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MB90F488BPFV Datasheet(PDF) 8 Page - Fujitsu Component Limited. |
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MB90F488BPFV Datasheet(HTML) 8 Page - Fujitsu Component Limited. |
8 / 120 page MB90480/485 Series 8 ■ PIN DESCRIPTIONS (Continued) Pin No. Pin name I/O circuit type*3 Function QFP*1 LQFP*2 82 80 X0 A Clock (oscillator) input pin 83 81 X1 A Clock (oscillator) output pin 80 78 X0A A Clock (32 kHz oscillator) input pin 79 77 X1A A Clock (32 kHz oscillator) output pin 77 75 RST B Reset input pin 85 to 92 83 to 90 P00 to P07 C (CMOS) This is a general purpose I/O port. A setting in the port 0 input resistance register (RDR0) can be used to apply pull-up resistance (RD00-RD07 = “1”) . (Disabled when pin is set for output.) AD00 to AD07 In multiplex mode, these pins function as the external address/data bus low I/O pins. D00 to D07 In non-multiplex mode, these pins function as the external data bus low output pins. 93 to 100 91 to 98 P10 to P17 C (CMOS) This is a general purpose I/O port. A setting in the port 1 input resistance register (RDR1) can be used to apply pull-up resistance (RD10-RD17 = “1”) . (Disabled when pin is set for output.) AD08 to AD15 In multiplex mode, these pins function as the external address/data bus high I/O pins. D08 to D15 In non-multiplex mode, these pins function as the external data bus high output pins. 1 to 4 99,100, 1, 2 P20 to P23 E (CMOS/H) This is a general purpose I/O port. When the bits of external address output control register (HACR) are set to "1" in external bus mode, these pins function as general purpose I/O ports. A16 to A19 When the bits of external address output control register (HACR) are set to "0" in multiplex mode, these pins function as address high output pins (A16-A19). When the bits of external address output control register (HACR) are set to "0" in non-multiplex mode, these pins function as address high output pins (A16-A19). 5 to 8 3 to 6 P24 to P27 E (CMOS/H) This is a general purpose I/O port. When the bits of external address output control register (HACR) are set to "1" in external bus mode, these pins function as general purpose I/O ports. A20 to A23 When the bits of external address output control register (HACR) are set to "0" in multiplex mode, these pins function as address high output pins (A20-A23). When the bits of external address output control register (HACR) are set to "0" in non-multiplex mode, these pins function as address high output pins (A20-A23). PPG0 to PPG3 Output pins for PPG. 97 P30 E (CMOS/H) This is a general purpose I/O port. A00 In non-multiplex mode, this pin functions as an external address pin. AIN0 8/16-bit up/down timer input pin (ch.0) . |
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