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MB90F553APF Datasheet(PDF) 9 Page - Fujitsu Component Limited. |
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MB90F553APF Datasheet(HTML) 9 Page - Fujitsu Component Limited. |
9 / 58 page MB90550A/550B Series 9 (Continued) Pin no. Pin name Circuit type Function QFP LQFP 22 20 P44 F (CMOS/H) General-purpose I/O port. Serves as an open-drain output port (OD44 = 1) depending on the setting of the open-drain control setting register (ODR4). (D44 = 0: Disabled when the port is set for input.) SOT1 Extended I/O serial data output pin. This function is enabled with the extended I/O serial data output enabled. 24 22 P45 F (CMOS/H) General-purpose I/O port. Serves as an open-drain output port (OD45 = 1) depending on the setting of the open-drain control setting register (ODR4). (D45 = 0: Disabled when the port is set for input.) SIN1 Extended I/O serial data input pin. Since this input is used as required while the extended I/O serial interface is operating for input, the output by any other function must be off unless used intentionally. 25 23 P46 F (CMOS/H) General-purpose I/O port. Serves as an open-drain output port (OD46 = 1) depending on the setting of the open-drain control setting register (ODR4). (D46 = 0: Disabled when the port is set for input.) ADTG A/D converter external trigger input pin. Since this input is used as required while the A/D converter is op- erating for input, the output by any other function must be off un- less used intentionally. 26 24 P47 F (CMOS/H) General-purpose I/O port. Serves as an open-drain output port (OD47 = 1) depending on the setting of the open-drain control setting register (ODR4). D47 = 0: Disabled when the port is set for input. SCK0 Extended I/O serial clock I/O pin. This function is enabled with the extended I/O serial clock output enabled. 27 25 C — Capacitance pin for regulating the power supply. Connect an external ceramic capacitor of about 0.1 µF. 28 26 P50 G (NchOD/H) N-channel open-drain I/O port. SDA0 I2C interface data I/O pin. This function is enabled with the I2C interface enabled for operation. While the I2C interface is operating, place the port output in the Hi-Z state (PDR = 1). SOT0 Extended I/O serial data output pin. This function is enabled with the extended I/O serial data output enabled. |
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