Power-On Sequence; Power-On Sequence When Not Using Ram Backup - Mitsubishi Electric M32R Series User Manual

Mitsubishi 32-bit risc single-chip microcomputers

Table of Contents

20.2 Power-On Sequence

The diagram below shows a power-on sequence (5.0 V, 3.3 V power supply) of the M32R/E when

not using RAM backup.

: Turn on the 3.3 V power supply after turning on the 5 V power supply.

After turning on all power supplies and holding the RESET pin low for an oscillation

stabilization time, release the RESET pin input back high (to deactivate reset).

Note: Power-on limitations

Figure 20.2.1 Power-On Sequence When Not Using RAM Backup

POWER-UP/POWER-SHUTDOWN SEQUENCE

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VCCI, FVCC, OSC-VCC

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20.2 Power-Up Sequence