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M32C/8B 数据表(PDF) 33 Page - Renesas Technology Corp |
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M32C/8B 数据表(HTML) 33 Page - Renesas Technology Corp |
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33 / 406 page  M32C/8B Group 1. Overview REJ09B0450-0050 Rev.0.50 Oct 31, 2008 Page 16 of 385 Under development Preliminary specification Specifications in this manual are tentative and subject to change. Table 1.12 Pin Functions (100-Pin and 144-Pin Packages) (2/3) Item Symbol I/O Type Supply Voltage Description Main clock input XIN I VCC1 Input/output pins for the main clock oscillation circuit. Connect a ceramic resonator or crystal oscillator between XIN and XOUT. To apply an external clock, apply it to XIN and leave XOUT open. Main clock output XOUT O VCC1 Sub clock input XCIN I VCC1 Input/output pins for the sub clock oscillation circuit. Connect a crystal oscillator between XCIN and XCOUT. To apply an external clock, apply it to XCIN and leave XCOUT open. Sub clock output XCOUT O VCC1 BCLK output BCLK O VCC2 Bus clock output pin Clock output CLKOUT O VCC2 The CLKOUT pin outputs the clock having the same frequency as fC, f8, or f32 INT interrupt input INT0 to INT2 I VCC1 INT interrupt input pins NT3 to INT5 I VCC2 NMI interrupt input NMI I VCC1 NMI interrupt input pin. Connect the NMI pin to VCC1 via a resistor when the NMI interrupt is not used. Timer A TA0OUT to TA4OUT I/O VCC1 Timer A0 to A4 input/output pins (TA0OUT is N-channel open drain output) TA0IN to TA4IN I VCC1 Timer A0 to A4 input pins Timer B TB0IN to TB5IN I VCC1 Timer B0 to B5 input pins Three-phase motor control timer output U, U, V, V, W, W O VCC1 Three-phase motor control timer output pins Serial interface CTS0 to CTS4 I VCC1 Input pins to control data transmission RTS0 to RTS4 O VCC1 Output pins to control data reception CLK0 to CLK4 I/O VCC1 Serial clock input/output pins RXD0 to RXD4 I VCC1 Serial data input pins TXD0 to TXD4 O VCC1 Serial data output pins (TXD2 is N-channel open drain output) I2C mode SDA0 to SDA4 I/O VCC1 Serial data input/output pins (SDA2 is N-channel open drain output) SCL0 to SCL4 I/O VCC1 Serial clock input/output pins (SCL2 is N-channel open drain output) Serial interface special function STXD0 to STXD4 O VCC1 Serial data output pins when slave mode is selected (STXD2 is N-channel open drain output) SRXD0 to SRXD4 I VCC1 Serial data input pins when slave mode is selected SS0 to SS4 I VCC1 Control input pins used in the serial interface special mode. |
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