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MB89191P Datasheet(PDF) 7 Page - Fujitsu Component Limited. |
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MB89191P Datasheet(HTML) 7 Page - Fujitsu Component Limited. |
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7 / 47 page  7 MB89190/190A Series s PIN DESCRIPTION (Continued) *1: FPT-28P-M17 *2: DIP-28C-M05 *3: DIP-28P-M03 *4: MQP-48C-P01 Pin no. Pin name Circuit type Function SOP*1, DIP*2 SH-DIP*3 MQFP*4 7 31 X0 A Clock oscillation pins 832 X1 5 29 TEST B Test input pin Connect directly to VSS. 630 RST C Reset I/O pin This pin consists of an N-ch open-drain output with a pull-up resistor and of hysteresis input. A low level is output from this pin by internal source. The internal circuit is initialized by the input of a low level. 24 to 27 12 13, 23, 24 P00/INT20/ AN4 to P03/ INT23/AN7 G General-purpose I/O ports Also serve as external interrupt input pins. In the MB89190A series, also serve as analog input pins. External interrupt input is of hysteresis input type. 1 to 4 25 to 28 P04/INT24 to P07/INT27 D General-purpose I/O ports Also serve as external interrupt input. External interrupt input is of hysteresis input type. 17 5 P30/SCK D General-purpose I/O port Also serves as clock I/O for the 8-bit serial I/O interface. The serial I/O clock input is of hysteresis input type with a built-in noise filter. 16 4 P31/SO E General-purpose I/O port Also serves as a serial I/O data output pin. 15 3 P32/SI D General-purpose I/O port Also serves as a serial I/O data input pin. The serial I/O data input is of hysteresis input type with a built-in noise filter. 14 2 P33/EC D General-purpose I/O port Also serves as an external clock input pin for the 8- bit timer/counter. External clock input of the 8-bit timer/counter is hysteresis input type with a built-in noise filter. 13 1 P34/TO/ INT10 D General-purpose I/O port Also serves as the overflow output and external interrupt input for the 8-bit timer/counter. External interrupt input is of hysteresis input type with a built-in noise filter. |
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