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NJU3503 Datasheet(PDF) 5 Page - New Japan Radio |
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NJU3503 Datasheet(HTML) 5 Page - New Japan Radio |
5 / 59 page 5 NJU3503 „# TERMINAL DESCRIPTION 2 No. NJU 3503M NJU 3503L SYMBOL INPUT/OUTPUT F U N C T I O N S 12 13 14 11 12 13 AIN4 / PE0 AIN5 / PE1 PE2 AIN4, AIN5: INPUT PE0 to PE2: INPUT/OUTPUT 3-bit Input / Output PORTE. Selects a function of either of 1) or 2) for PORTE by the mask option. 1) 2bit Analog Input to A/D Converter. : AIN4,AIN5 (AD) 2) 3-bit Input / Output Terminals as PORTE. Selects a terminal circuit for each port from follows by the mask option. xC-MOS Input Terminal with Pull-up Resistance (ICP) xC-MOS Input Terminal (IC) xNch-FET Open-Drain Output Terminal with Pull-up Resistance (ONP) xNch-FET Open-Drain Output Terminal (ON) 15 14 VSS – Power Source ( 0V ) 16 17 15 16 OSC1 OSC2 INPUT OUTPUT Internal Oscillator Terminals. Connects a device selected from the ceramic or the crystal resonator, or the resistor, to these terminals for the internal oscillator. In the external clock operation, OSC1 is the external clock input terminal and OSC2 is normally open terminal. 19 17 TEST INPUT Maker Testing Terminal with Pull-down Resistance The terminal is recommended to connect to GND. 20 21 18 19 EXTI / PF0 CNTI / PF1 INPUT INPUT 2-bit Input PORTF. Selects a function of either of 1) or 2) for PORTF by the mask option. 1) External Interrupt Input Terminal with Pull up resistance :EXTI ( IIP,II, P / F ) External Clock Input Terminal with Pull up resistance for Timer2 :CNTI (IIP,II) 2) 2-bit Input Terminals as PORTF. Selects a terminal circuit for each port from follows by the mask option. xC-MOS Schmitt Trigger Input Terminal with Pull-up Resistance (ISP) xC-MOS Schmitt Trigger Input Terminal (IS) 22 23 20 21 SDO / PG0 SDI(O)/ PG1 SDO :OUTPUT PG0 :OUTPUT SDI(O) :INOUT PG1 : INPUT/OUTPUT 2-bit Input / Output PORTG. Selects a function of either of 1) or 2) for PORTG by the mask option. 1) Serial Interface Function Serial Data Output Terminal : SDO (SO) Serial Data Input-Output Terminal with Pull-up Resistance : SDI(O) (SDP) 2) 2-bit Input / Output Terminals as PORTG. Selects a terminal circuit for each port from follows by the mask option. xC-MOS Input Terminal with Pull-up Resistance (ICP):PG1 xC-MOS Input Terminal (IC) : PG1 xC-MOS Output Terminal (OC) : PG0,PG1 Note ) INPUT/OUTPUT : Input or Output is selected by the mask option. INOUT : Input or Output is changed by the program. |
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