EKTF6708 datasheet(136/158 Pages) EMC

136 / 158 page

eKTF6708

8-Bit Microcontroller

126



IC Product Specification (V1.2) 03.12.2020

(This specification is subject to change without prior notice)

6.16 Oscillator

6.16.1 Oscillator Modes

The eKTF6708 can be operated in the one oscillator mode, i.e., Internal RC oscillator

mode (IRC). Users need to set the main-oscillator modes by selecting the OSC0, and set

sub-oscillator modes by selecting the FSS in the Code Option register to complete the

overall oscillator mode setting.



Main-Oscillator Modes Defined By OSC0

Main-Oscillator Mode

OSC0

IRC (Internal RC oscillator mode; default)

RCOUT (P50) acts as I/O pin

IRC (Internal RC oscillator mode)

RCOUT (P50) acts as clock output pin



Summary of Maximum Operating Speeds

Conditions

VDD

Fxt Max. (MHz)

Two cycles with two clocks

16.0

6.16.2 Internal RC Oscillator Mode

The eKTF6708 offers a versatile internal RC mode with default frequency value of

4 MHz. The Internal RC oscillator mode has other frequencies (8 MHz, 12 MHz and 16

MHz) that can be set by Code Option; RCM1~RCM0. The Table below describes a typical

drift rate of the calibration.



Internal RC Drift Rate

Internal RC

Frequency

Touch

Key

Frequency

Drift Rate

Temperature(-40℃

~+85℃) +

Voltage(2V~5.5V)

Process

Total

4MHz

24MHz

±1.3%

±0.7%

±2%

8MHz

24MHz

±1.3%

±0.7%

±2%

12MHz

24MHz

±1.3%

±0.7%

±2%

16MHz

±1.3%

±0.7%

±2%

Note:

These are theoretical values intended for reference only. Actual values may vary depending

on actual conditions.

EKTF6708 Datasheet(PDF) 136 Page - ELAN Microelectronics Corp

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