EKTF6708 datasheet(140/158 Pages) EMC

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eKTF6708

8-Bit Microcontroller

130



IC Product Specification (V1.2) 03.12.2020

(This specification is subject to change without prior notice)

0: Low power consumption, apply to working frequency at 4 MHz or below

1: High power consumption, apply to working frequency above 4 MHz

Bits 8~7 (LVR1~LVR0): Low voltage reset enable bit.

LVR1, LVR0

*VDD Reset Level

VDD Release Level

NA (Power on reset) (default)

4.3V

4.5V

3.5V

3.7V

2.3V

2.5V

Note *: If VDD < 2.3V and keep about 5µs, IC will be reset.

If VDD < 3.5V and keep about 5µs, IC will be reset.

If VDD < 4.3V and keep about 5µs, IC will be reset.

Bit 6 (RESETEN): P51//RESET pin selection bit

0: Enable, /RESET pin.

1: Disable, P51 pin (default)

Bit 5 (ENWDT): WDT enable bit

0: Enable

1: Disable (default)

Bit 4 (NRHL): noise rejection high/low pulse defined bit.

0: pulses equal to 8/fc [s] is regarded as signal

1: pulses equal to 32/fc [s] is regarded as signal (default)

Bit 3 (NRE): noise rejection enable bit

0: Disable.

1: Enable (default)

Note *: In Green, Idle, and Sleep modes the noise rejection circuit is always disabled.

Bits 2~0: Not used, set to "1" all the time.

6.20.2 Code Option Register (Word 1)

Word 1

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Mnemonic

FSS

Low

32K

Low

High

16K

High

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Mnemonic

RCM1

RCM0

OSC0

RCOUT

Low

High

Bits 15~14: Not used, set to "1" all the time.

Bits 13 (FSS): Sub-oscillator mode selection bits

0: Fs is 32kHz

1: Fs is 16kHz

Note: WDT frequency is always 16kHz whatever the FSS bits are set.

EKTF6708 Datasheet(PDF) 140 Page - ELAN Microelectronics Corp

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