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MB89174LPF Datasheet(PDF) 8 Page - fujitsu semiconductor |
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MB89174LPF Datasheet(HTML) 8 Page - fujitsu semiconductor |
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8 / 50 page  8 MB89170/170A/170L Series s PIN DESCRIPTION (Continued) *1: FPT-48P-M16 *2: MQP-48C-P01 Notes: On the MB89170L series, DTMF pin (Pin No.:1), X0A pin (Pin No.:8) and X1A pin (Pin No.:9) are N.C. pins. Please connect them with GND. Pin no. Pin name Circuit type Function QFP*1 MQFP*2 5 X0 A Main clock crystal oscillator pins 6X1 8 X0A B Subclock oscillation pins (32.768 kHz) 9X1A 3 MOD0 C Operation mode selecting pins Connect directly to VCC or VSS. 4MOD1 2RST D Reset I/O pin This pin is of an N-ch open-drain output type with pull-up resistor and of hysteresis input type. “L” is output from this pin by an internal reset source (optional function). The internal circuit is initialized by the input of “L”. 34 to 27 P00/INT20 to P07/INT27 E General-purpose I/O ports Also serve as an external interrupt 2 input (wake-up function). External interrupt input is a hysteresis input. 26 to 20, 18 P10 to P17 F General-purpose I/O ports 17 to 10 P20 to P27 H General-purpose output ports 42 P30/SCK G 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. 41 P31/SO G General-purpose I/O port Also serves as the data output for the 8-bit serial I/O. This port is of hysteresis input type. 40 P32/SI G General-purpose I/O port Also serves as the data input for the 8-bit serial I/O. This port is of hysteresis input type. 39 P33/EC G General-purpose I/O port Also serves as an external clock input for a 8-bit timer/ counter. This port is of hysteresis input type. 38 P34/TO/INT0 G General-purpose I/O port Also serves as the overflow output for the 8-bit timer/counter and an external interrupt 1 input. This port is of hysteresis input type. 36, 37 P36/INT2, P35/INT1 G General-purpose I/O ports Also serve as an external interrupt 1 input. These ports are of hysteresis input type. |
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