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MB90867E Datasheet(PDF) 10 Page - Fujitsu Component Limited. |
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MB90867E Datasheet(HTML) 10 Page - Fujitsu Component Limited. |
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10 / 67 page  MB90860E Series 10 ■ PIN DESCRIPTION (Continued) Pin No. Pin name I/O Circuit type*3 Function QFP100*1 LQFP100*2 1 to 4 99 to 2 P24 to P27 G General purpose I/O pins. The register can be set to select whether to use a pull-up resistor.In external bus mode, the pin is enabled as a general-purpose I/O port when the corresponding bit in the external address output control register (HACR) is 1. A20 to A23 Output pins of the external address bus. When the corresponding bit in the external address output control register (HACR) is 0, the pins are enabled as high address output pins (A20 to A23). IN0 to IN3 Trigger input pins for input captures 0 to 3. 53 P30 G General purpose I/O pin.The register can be set to select whether to use a pull-up resistor.This function is enabled in single-chip mode. ALE Address latch enable output pin. This function is enabled when the external bus is enabled. IN4 Trigger input pin for input capture 4. 64 P31 G General purpose I/O pin.The register can be set to select whether to use a pull-up resistor.This function is enabled in single-chip mode. RD External read strobe output pin. This function is enabled when the external bus is enabled. IN5 Trigger input pin for input capture 5. 75 P32 G General purpose I/O pin. The register can be set to select whether to use a pull-up resistor. This function is enabled either in single- chip mode or with the WR/WRL pin output disabled. WR / WRL Write strobe output pin for the external data bus. This function is enabled when both the external bus and the WR/WRL pin output are enabled. WRL is used to write-strobe 8 lower bits of the data bus in 16-bit access while WR is used to write-strobe 8 bits of the data bus in 8-bit access. INT10R External interrupt request input pin (sub) . 86 P33 G General purpose I/O pin. The register can be set to select whether to use a pull-up resistor.This function is enabled either in single- chip mode or with the WRH pin output disabled. WRH Write strobe output pin for the 8 higher bits of the external data bus. This function is enabled when the external bus is enabled, when the external bus 16-bit mode is selected, and when the WRH output pin is enabled. |
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