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NJU3504 Datasheet(PDF) 6 Page - New Japan Radio |
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NJU3504 Datasheet(HTML) 6 Page - New Japan Radio |
6 / 62 page NJU3504 „# TERMINAL DESCRIPTION 3 No. NJU 3504F NJU 3504L SYMBOL INPUT/OUTPUT F U N C T I O N 24 27 SCK / CKOUT SCK :INOUT CKOUT : OUTPUT Selects a function of either of 1) or 2) by the mask option. 1) Serial Clock Input or Output Terminal with Pull-up Resistance. 2) Clock Divided by Pre-scaler Output Terminal. Selects the dividing times of the clock in the pre-scaler by the mask option. 25 26 27 28 28 29 30 31 PA0 PA1 PA2 PA3 INOUT INOUT INOUT INOUT 4-bit Programmable Input / Output PORTA. These 4-bit terminals’ direction can be changed by the program as 4-Input or 4-Output. Use of Pull-up resistance is in accordance with the mask option. xas Input : C-MOS Input Terminals xas Output: Nch-FET Open-Drain Output Terminals 29 30 31 32 32 33 34 35 PB0 PB1 PB2 PB3 INOUT INOUT INOUT INOUT 4-bit Programmable Input / Output PORTB. These 4-bit terminals’ direction can be changed by the program as 4-Input or 4-Output. Use of Pull-up resistance is in accordance with the mask option. xas Input : C-MOS Input Terminals xas Output: Nch-FET Open-Drain Output Terminals 33 36 VDD – Power Source (2.4V to 5.5V) 34 35 37 38 PC0 PC1 INPUT/OUTPUT INPUT/OUTPUT 2-bit Input / Output PORTC. Selects a terminal circuit for each port from follows by the mask option. xC-MOS Input Terminal with Pull-up Resistance(IA) xC-MOS Input Terminal(IC) xNch-FET Open-Drain Output Terminal with Pull-up Resistance(OA) xNch-FET Open-Drain Output Terminal(OC) 36 37 38 39 39 40 41 42 PD0 PD1 PD2 PD3 INPUT/OUTPUT INPUT/OUTPUT INPUT/OUTPUT INPUT/OUTPUT 4-bit Input / Output PORTD. Selects a terminal circuit for each port from follows by the mask option. xC-MOS Input Terminal with Pull-up Resistance(IA) xC-MOS Input Terminal(IC) xC-MOS Output Terminal(OB) 40 41 42 43 1 2 3 4 PE0 PE1 PE2 PE3 INPUT/OUTPUT INPUT/OUTPUT INPUT/OUTPUT INPUT/OUTPUT 4-bit Input / Output PORTE. Selects a terminal circuit for each port from follows by the mask option. xC-MOS Input Terminal with Pull-up Resistance(IA) xC-MOS Input Terminal(IC) xC-MOS Output Terminal(OB) 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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