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M306H7MC-XXXFP Datasheet(PDF) 7 Page - Renesas Technology Corp |
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M306H7MC-XXXFP Datasheet(HTML) 7 Page - Renesas Technology Corp |
7 / 329 page Rev.2.10 Oct 25, 2006 Page 7 of 326 REJ03B0152-0210 M306H7MG-XXXFP/MC-XXXFP/FGFP 1.DESCRIPTION Table 1.3 Pin Description (1) Note 1: In this datasheet, hereafter, VCC refers to VCC2 unless otherwise noted. Pin name Signal name I/O type Power supply Function VCC1 , VCC2, VSS CNVSS RESET XIN XOUT AVCC AVSS P00 to P07 P10 to P17 P20 to P27 Power supply input CNVSS Reset input Clock input Clock output Analog power supply input Analog power supply input I/O port P0 I/O port P1 I/O port P2 Input Input Input Output Input/output Input/output Input/output VCC2 VCC2 VCC2 VCC2 VCC2 VCC2 Apply 2.00 V to 5.5 V to the Vcc1 and Vcc2 pins. Apply 0 V to the Vss pin. Input condition of Vcc1 and Vcc2 are Vcc1 ≤ Vcc2. (1.) Connect this pin to VSS. "L" on this input resets the microcomputer. These are I/O pins provided for main clock oscillation circuit. Connect ceramic resonator or crystal oscillator between pins XIN and XOUT. To use an externally derived clock, input it to XIN pin and leave XOUT pin open. This pin is a power supply input for the A/D converter. Connect this pin to VCC. This pin is a power supply input for the A/D converter. Connect this pin to VSS. This is an 8-bit CMOS I/O port. This port has an I/O select direction register, allowing each pin in that port to be directed for input or output individually. If any port is set for input, selection can be made for it in a program whether or not to have a pull-up resistor in 4 bit units. Pins in this oprt also function as A/D converter input pins as selected by Program. This is an 8-bit I/O port equivalent to P0. Pins P15 to P17 in this port also functionas INT interrupt input pins as selected by software. This is an 8-bit I/O port equivalent to P0. |
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