EKTF6708 datasheet(11/158 Pages) EMC

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eKTF6708

8-Bit Microcontroller

IC Product Specification (V1.2) 03.12.2020

 1

(This specification is subject to change without prior notice)

General Description

The eKTF6708 is an 8-bit microprocessor designed and developed with low-power and high-speed CMOS

technology. It has a built-in 6K16-bit programmable ROM and is equipped with touch sensors. The

capacitive touch key sensor uses plastic or glass substrate as cover.

The system controller converts fingertip position data into button presses, depending on finger location

and human interface context. The eKTF6708 OCD can be used to develop user program for this

microcontroller and several other ELAN Flash type ICs.

Features



CPU configuration



Supports 6K

16 bits program ROM



(48+1024) bytes general purpose register.



16-level stacks for subroutine nesting



3 programmable Level Volt Reset

LVR: 4.3V, 3.5V, 2.3V



1 sets of 4 programmable Level Voltage Detector

LVD: 4.6V, 3.9V, 2.5V, 2.2V



Four CPU operation modes (Normal, Green, Idle,

Sleep)



I/O port configuration



3 bidirectional I/O ports: P5 ~ P7



3 programmable pin change wake-up ports:

P5~P7



3 programmable pull-down I/O ports: P5~P7



3 programmable pull-high I/O ports: P5~P7



3 programmable open-drain I/O ports: P5~P7



3 programmable high-sink/drive I/O ports: P5~P7



High-drive 30mA(typically)



High-sink 70mA(typically)



Operating voltage range:



2.0V~5.5V at -40C~85C (industrial)



Operating frequency range (base on two clocks):

Main oscillator:



IRC mode:

Internal

Frequency

Drift Rate

Temperature(-40℃~+85℃)

+ Voltage(2.0V~5.5V)

Process

Total

4MHz

±1.3%

±0.7%

±2%

8MHz

±1.3%

±0.7%

±2%

12MHz

±1.3%

±0.7%

±2%

16MHz

±1.3%

±0.7%

±2%

Sub oscillator:



IRC mode: 16K/32K



Peripheral configuration



8-bit real time clock (TCC) with selective signal

sources, trigger edges, and overflow interrupt



Three Pulse Width Modulation (PWMA, PWMB,

PWMC) with 16-bit resolution shared with Timers A, B

and C



One 8-bit timer TC1 with six modes:

Timer/Counter/Capture/Window/Buzzer/PWM/ PDO

(Programmable Divider Output) modes.

 Touch key function 8 traces for 1 groups

 2-channel Analog-to-Digital converter with 12bit

resolution + 1 internal reference for Vref & Vref power

detector

 Serial transmitter/receiver interface (SPI): 3-wire

synchronous communication

 I2C function with 7/10 bits address and 8 bits data

transmit/receive mode

 Universal asynchronous receiver/transmitter (UART)

available

 Power down (Sleep) mode

 Idle with scan mode

 18 available interrupts: (2 external, 21 internal)



External interrupt: P51, P60



TCC overflow interrupt



Input-port status changed interrupt (wake up from

sleep mode)



PWMA/PWMB/PWMC period match completion



TC1 interrupt



2C transfer/receive/stop interrupt



SPI interrupt



UART TX, RX , RX error interrupt



LVD interrupt



System hold interrupt



ADC completion interrupt



TK Scan interrupt

 Single instruction cycle commands

 Package Type:

 16 SOP(150mil) : eKTF6708SO16A

 16 QFN(3*3*0.8mm) : eKTF6708QN16

Note: These are all Green products which do not contain

hazardous substances.

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