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R8C3MQ Datasheet(PDF) 9 Page - Renesas Technology Corp |
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R8C3MQ Datasheet(HTML) 9 Page - Renesas Technology Corp |
9 / 50 page R8C/3MQ Group 1. Overview R01DS0044EJ0200 Rev.2.00 Page 9 of 47 Jun 29, 2012 1.5 Pin Functions Tables 1.6 and 1.7 list Pin Functions. I: Input O: Output I/O: Input and output Table 1.6 Pin Functions (1) Item Pin Name I/O Type Description Power supply input VCC, VSS1 — Apply 1.8 to 3.6 V to the VCC pin. Apply 0 V to the VSS1 pin. 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 oscillation circuit I/O. Connect a crystal oscillator between the XIN and XOUT pins. XIN clock output XOUT I/O XCIN clock input XCIN I These pins are provided for XCIN clock oscillation circuit I/O. Connect a crystal oscillator between the XCIN and XCOUT pins. XCIN clock output XCOUT O INT interrupt input INT0, INT1, INT3 I INT interrupt input pins. INT0 is used as an input pin for timer RB and timer RC. Key input interrupt input KI0 to KI7 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. Timer RE TREO O Divided clock output pin. Serial interface CLK0 I/O Transfer clock I/O pin. RXD0 I Serial data input pin. TXD0 O Serial data output pin. SSU SSI I/O Data I/O pin. SCS I/O Chip-select signal I/O pin. SSCK I/O Clock I/O pin. SSO I/O Data I/O pin. I2C bus SCL I/O Clock I/O pin SDA I/O Data I/O pin I/O ports P0_4, P1_0 to P1_7, P3_0, P3_1, P3_3 to P3_5, P3_7, P4_3 to P4_5 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. |
Similar Part No. - R8C3MQ_15 |
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Similar Description - R8C3MQ_15 |
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