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MB89945PF Datasheet(PDF) 7 Page - Fujitsu Component Limited. |
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MB89945PF Datasheet(HTML) 7 Page - Fujitsu Component Limited. |
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7 / 38 page  MB89940 Series 7 (Continued) *1: FPT-48P-M16 *2: MQP-48C-P01 Pin no. Pin name Circuit type Function QFP*1 MQFP*2 37 37 P31/TEMPO G This pin can be used for the bit 1 of Port 3 or the output from PWM4. The function of this pin can be switched by setting the internal register of PWM4. This output has a high drive-current capability. 38, 39 38, 39 P32/PWM1P, P33/PWM1M G These pins are the pair of high-current driver outputs for one of two motor coils. They can be also used for the bits 2 and 3 of Port 3 by setting the internal register of the stepper motor controller. 40, 41 40, 41 P34/PWM2P, P35/PWM2M G These pins are the pair of high-current driver outputs for one of two motor coils. They can be also used for the bits 4 and 5 of Port 3 by setting the internal register of the stepper motor controller. 44 44 P36/TEMPI M This analog input is connected to channel 1 of the A/D converter. It can also be used for the bit 6 of Port 3 when this A/D input enable register bit is set to ‘0’. 45 45 P37/FUELI M This analog input is connected to channel 0 of the A/D converter. It can also be used for the bit 7 of Port 3 when this A/D input enable register bit is set to ‘0’. 46 46 P40/PW L This pin has two functions. When this pin is used as an open-drain output of Port 4, the external voltage monitor reset should be in the power down mode. When it is used as the PW input of external voltage monitor reset, the corresponding bit of the port data register should be set to ‘1’. 3, 4 8, 9 3, 4 8, 9 P41/COM0 to P44/COM3 K These pins are the LCD common signal outputs. When LCD is not used, these pins can be also used for Port 4. 47 47 VINT — An external capacitor should be connected to this pin for stabilizing the internal 3.0 V power supply. For MB89PV940 and MB89P945, this pin should be left open. 77 VCC —VCC 19 19 VSS —VSS 11 AVCC — The power supply pin for the analog circuit The same voltage should be applied as VCC. 43 43 AVSS — The power supply pin for the analog circuit The same voltage should be applied as VSS. 36 36 DVCC — The dedicated power supply pin for the high-current driver output The same voltage should be applied as VCC. 42 42 DVSS — The dedicated power supply pin for the high-current driver output The same voltage should be applied as VSS. |
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