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R5F21336TNFP Datasheet(PDF) 8 Page - Renesas Technology Corp |
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R5F21336TNFP Datasheet(HTML) 8 Page - Renesas Technology Corp |
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8 / 50 page  R8C/33T Group 1. Overview R01DS0046EJ0110 Rev.1.10 Page 8 of 47 Apr 26, 2011 1.5 Pin Functions Table 1.5 lists Pin Functions. I: Input O: Output I/O: Input and output Note: 1. Refer to the oscillator manufacturer for oscillation characteristics. Table 1.5 Pin Functions Item Pin Name I/O Type Description Power supply input VCC, VSS — Apply 1.8 V to 5.5 V to the VCC pin. Apply 0 V to the VSS pin. Analog power supply input AVCC, AVSS — Power supply for the A/D converter. Connect a capacitor between AVCC and AVSS. Reset input RESET I Input “L” on this pin resets the MCU. MODE MODE I Connect this pin to VCC via a resistor. XIN clock input XIN I These pins are provided for XIN clock generation circuit I/O. Connect a ceramic resonator or a crystal oscillator between the XIN and XOUT pins. (1) To use an external clock, input it to the XOUT pin and leave the XIN pin open. XIN clock output XOUT I/O INT interrupt input INT0 to INT3 I INT interrupt input pins. INT0 is timer RB, and RC input pin. Key input interrupt KI0 to KI3 I Key input interrupt input pins Timer RA TRAIO I/O Timer RA I/O pin TRAO O Timer RA output pin Timer RB TRBO O Timer RB output pin Timer RC TRCCLK I External clock input pin TRCTRG I External trigger input pin TRCIOA, TRCIOB, TRCIOC, TRCIOD I/O Timer RC I/O pins Serial interface CLK0, CLK2 I/O Transfer clock I/O pins RXD0, RXD2 I Serial data input pins TXD0, TXD2 O Serial data output pins CTS2 I Transmission control input pin RTS2 O Reception control output pin SCL2 I/O I2C mode clock I/O pin SDA2 I/O I2C mode data I/O pin Reference voltage input VREF I Reference voltage input pin to A/D converter A/D converter AN0 to AN11 I Analog input pins to A/D converter ADTRG I AD external trigger input pin Sensor control unit CHxA, CHxB, CHxC I/O Control pins for electrostatic capacitive touch detection CH0 to CH17 I Electrostatic capacitive touch detection pins SCUTRG I Sensor control unit external trigger input I/O port P0_0 to P0_7, P1_0 to P1_7, P2_0 to P2_2, P3_1, P3_3 to P3_5, P3_7, P4_5 to P4_7 I/O CMOS I/O ports. Each port has an I/O select direction register, allowing each pin in the port to be directed for input or output individually. Any port set to input can be set to use a pull-up resistor or not by a program. All ports can be used as LED drive ports. Input port P4_2 I Input-only port |
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