Resonator And Oscillator Constants - Renesas RL78/G1P Hardware User Manual

16-bit single-chip microcontroller

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5.7 Resonator and Oscillator Constants

A list of the resonators for which the operation has most recently been verified and their oscillation constants (for

reference) is provided on the page for the corresponding product at the Renesas Web site (http://www.renesas.com).

Cautions 1. The constants for these oscillator circuits are reference values based on specific environments

set up for evaluation by the manufacturers. For actual applications, request evaluation by the

manufacturer of the oscillator circuit mounted on a board. Furthermore, if you are switching from

a different product to this microcontroller, and whenever you change the board, again request

evaluation by the manufacturer of the oscillator circuit mounted on the new board.

2. The oscillation voltage and oscillation frequency only indicate the oscillator characteristic. Use

the RL78 microcontroller so that the internal operation conditions are within the specifications of

the DC and AC characteristics.

R01UH0895EJ0100 Rev.1.00

Nov 29, 2019

Figure 5-15. Example of External Circuit

(a) X1 oscillation

CHAPTER 5 CLOCK GENERATOR