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MB89P133A Datasheet(PDF) 9 Page - Fujitsu Component Limited. |
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MB89P133A Datasheet(HTML) 9 Page - Fujitsu Component Limited. |
9 / 59 page MB89130/130A Series 9 s s s s PIN DESCRIPTION *1 : DIP-48P-M01 *2 : FPT-48P-M13 (Continued) Pin no. Pin name Circuit type Function SH-DIP*1 QFP*2 35 5 X0 A Main clock crystal oscillator pins (max. 4.2 MHz) 36 6 X1 38 8 X0A B Subclock crystal oscillator pins (32.768 kHz) 39 9 X1A 33 3 MOD0 C Operation mode selecting pins Connect directly to VSS. 34 4 MOD1 32 2 RST D Reset I/O pin This pin is of N-ch open-drain output type with pull-up re- sistor, and a hysteresis input type. The internal circuit is initialized by the input of “L”. “L” is output from this pin by an internal reset source as a option. 16 to 9 34 to 27 P00 (INT20) to P07 (INT27) I General-purpose I/O ports On the MB89130A series, these ports also serve as an ex- ternal interrupt input. External interrupt inputs are of hysteresis input type. 8 to 2, 48 26 to 20, 18 P10 to P17 E General-purpose I/O ports 47 to 40 17 to 10 P20 to P27 G General-purpose output ports 24 42 P30/SCK F General-purpose I/O port Also serves as the clock I/O for the 8-bit serial I/O. This port is of hysteresis input type. 23 41 P31/SO F General-purpose I/O port Also serves as a 8-bit serial I/O data output. This port is of hysteresis input type. 22 40 P32/SI F General-purpose I/O port Also serves as a 8-bit serial I/O data input. This port is of hysteresis input type. 21 39 P33/EC/SCO F General-purpose I/O port Also serves as the external clock input for the 8-bit timer/counter. This port is of hysteresis input type. The system clock output is provided as an option. 20 38 P34/TO/INT0 F General-purpose I/O port Also serve as the overflow output for the 8-bit timer/ counter and an external interrupt input. This port is of hys- teresis input type. 19, 18 37, 36 P35/INT1, P36/INT2 F General-purpose I/O ports Also serves as an external interrupt input. These ports are of hysteresis input type. |
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