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MB91F273 Datasheet(PDF) 11 Page - Fujitsu Component Limited. |
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MB91F273 Datasheet(HTML) 11 Page - Fujitsu Component Limited. |
11 / 86 page MB91270 Series 11 * : Refer to “ ■ I/O CIRCUIT TYPE” for the I/O circuit type. (Continued) Pin No. Pin name Function name I/O circuit type* Function 7 P34/BRQ/ OUT4 P34 T (A) General-purpose I/O port. This function is enabled in single-chip mode. BRQ External bus request input pin Enabled when the external bus and the bus request func- tions are enabled. (MB91V280 only) OUT4 Waveform output pin for output compare OCU4. 8 P35/ BGRNT/ OUT5 P35 A General-purpose I/O port. This function is enabled in single-chip mode. BGRNT External bus acknowledge output pin Enabled when the external bus and the bus request functions are enabled. (MB91V280 only) OUT5 Waveform output pin for output compare OCU5. 9 P36/RDY/ OUT6 P36 T General-purpose I/O port. This function is enabled in single-chip mode. RDY External ready input pin Enabled when the external bus and the bus request func- tions are enabled. OUT6 Waveform output pin for output compare OCU6. 10 P37/ SYSCLK/ OUT7 P37 A General-purpose I/O port. This function is enabled in single-chip mode. SYSCLK External clock output pin This function is enabled when the external bus is enabled. OUT7 Waveform output pin for output compare OCU7. Port 4 11, 12 P40/ (X0A) , P41/ (X1A) P40, P41 A General-purpose I/O port (S-suffix models) X0A, X1A WA WB sub-clock oscillator input pin (without S-suffix models) 16 P42/IN6/ RX1/INT9R P42 A General-purpose I/O port IN6 Data sample input pin for input capture ICU6 RX1 CAN1 RX input pin (MB91V280 only) INT9R External interrupt request 9 input pin (Set by EISSR) 17 P43/IN7/ TX1 P43 A General-purpose I/O port IN7 Data sample input pin for input capture ICU7 TX1 CAN1 TX output pin (MB91V280 only) 18 P44/SDA0/ FRCK0 P44 C General-purpose I/O port SDA0 Serial data I/O pin for I2C0 FRCK0 16-bit input/output timer 0 input pin |
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