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MB90330A Datasheet(PDF) 33 Page - Fujitsu Component Limited. |
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MB90330A Datasheet(HTML) 33 Page - Fujitsu Component Limited. |
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33 / 120 page  MB90330A Series 33 ■ PERIPHERAL RESOURCES 1. I/O port The I/O ports are used as general-purpose input/output ports (parallel I/O ports). MB90330A series model is provided with 12 ports (94 inputs) . The ports function as input/output pins for peripheral functions also. The port data register (PDR) can be used to send output data to the I/O pin and to receive the signal input to the I/O port. The port direction register (DDR) can be used to set the I/O direction of the I/O pin in bit units. The following table lists the I/O ports and the peripheral functions with which they share pins. Note : These pins also serve as the analog input pins for ports 7 and 8. To use them as general-purpose ports, be sure to set the corresponding bits in the analog input enable register (ADER) to 0B. The ADER is initialized to FFH at a reset. Port Pin Name Pin Name (Peripheral) Peripheral Function that Shares Pin Port 0 P00 to P07 ⎯ (External bus) Port 1 P10 to P17 ⎯ (External bus) Port 2 P20 to P23 ⎯ (External bus) P24 to P27 PPG0 to PPG3 8/16-bit PPG timer 0, 1 (External bus) Port 3 P30 to P33 TIN1, TOT1, TIN2, TOT2 16-bit Reload timer 1, 2 (External bus) P34 to P37 ⎯ (External bus) Port 4 P40, P41 TIN0, TOT0 16-bit Reload timer 0 (External bus) P42 to P47 SIN0, SOT0, SCK0, SIN1, SOT1, SCK1 UART0, UART1 (External bus) Port 5 P50 to P57 ⎯ (External bus) Port 6 P60, P61 INT0, INT1 External interrupt P62 to P64 INT2 to INT4, SIN, SOT, SCK External interrupt, Serial I/O P65 INT5, PWC External interrupt, PWC P66, P67 INT6, INT7, SCL0, SDA0 External interrupt, I2C 0 Port 7 P70 to P77 AN0 to AN7 8/10-bit A/D converter Port 8 P80 to P87 AN8 to AN15 8/10-bit A/D converter Port 9 P90 to P95 SIN2, SOT2, SCK2, SIN3, SOT3, SCK3 UART2, 3 P96 ADTG, FRCK 8/10-bit A/D converter, Free-run timer Port A PA0 to PA3 IN0 to IN3 Input capture 0, 1, 2, 3 PA4 to PA7 OUT0 to OUT3 Output compare 0, 1, 2, 3 Port B PB0 to PB3 SCL1, SDA1, SCL2, SDA2 I2C 1, 2 PB4 ⎯⎯ PB5, PB6 PPG4, PPG5 PPG timer 2 |
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