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MB89PV490 Datasheet(PDF) 7 Page - Fujitsu Component Limited. |
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MB89PV490 Datasheet(HTML) 7 Page - Fujitsu Component Limited. |
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7 / 45 page  7 MB89490 Series ■ PIN DESCRIPTION Pin number Pin name I/O circuit type Function MQFP*1/QFP*2 99 X0 A Connection pins for a crystal or other oscillator. An external clock can be connected to X0. In this case, leave X1 open. 98 X1 49 X0A A Connection pins for a crystal or other oscillator. An external clock can be connected to X0A. In this case, leave X1A open. 48 X1A 97 MOD0 B Input pin for setting the memory access mode. Connect directly to VSS. 95, 94 P84,P83 J General-purpose CMOS Input port. 96 RST C Reset I/O pin. The pin is an N-ch open-drain type with pull-up resistor and a hysteresis input. The pin outputs an “L” level when an internal reset request is present. Inputting an “L” level initializes internal circuits. 2~9 P00 ~ P07 D General-purpose CMOS I/O port. 10~17 P10/INT00 ~ P17/INT07 E General-purpose CMOS I/O port. The pin is shared with external interrupt 0 input. 18 P20/TO0 F General-purpose CMOS I/O port. The pin is shared with 8/16-bit timer/counter 00, 01 output. 19 P21/RMC E General-purpose CMOS I/O port. The pin is shared with remote receiver input. 20 P22/EC0 E General-purpose CMOS I/O port. The pin is shared with 8/16-bit timer/counter 00, 01 input. 21 P23 F General-purpose CMOS I/O port. 22 P24/TO1 F General-purpose CMOS I/O port. The pin is shared with 8/16-bit timer/counter 10, 11 output. 23 P25/EC1 E General-purpose CMOS I/O port. The pin is shared with 8/16-bit timer/counter 10,11 input. 24 P26/PWM0 F General-purpose CMOS I/O port. The pin is shared with PWM0 output. 25 P27/PWM1 F General-purpose CMOS I/O port. The pin is shared with PWM1 output. 32 ~ 39 P30/AN0/INT10 ~ P37/AN7/INT17 G General-purpose CMOS I/O port. The pin is shared with external interrupt 1 input and A/D converter input. 40 ~ 45 P40~P45 H General-purpose N-ch open-drain I/O port. 46 P46/SCL H General-purpose N-ch open-drain I/O port. The pin is shared with I2C clock I/O. 47 P47/SDA H General-purpose N-ch open-drain I/O port. The pin is shared with I2C data I/O. 26 P50/SI0 E General-purpose CMOS I/O port. The pin is shared with SIO data input. 27 P51/SO0 F General-purpose CMOS I/O port. The pin is shared with SIO data output. 28 P52/SCK0 E General-purpose CMOS I/O port. The pin is shared with SIO clock I/O. |
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