ELD5016 datasheet(5/38 Pages) EMC

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eLD5016

8-Bit Microcontroller

Product Specification (V1.0) 2.16.2017

 1

(This specification is subject to change without prior notice)

General Description

This is an 8-bit RISC type microprocessor with low power, high speed CMOS technology.

Integrated onto a single chip are on-chip Watchdog Timer (WDT), RAM, ROM, programmable

real time clock/counter, internal interrupt, power down mode, ASPCM voice synthesizer

(decoder), voice ROM, Current DAC, and tri-state I/O. It provides a single IC solution to design an

electric wall mount clock.

Features



Single power supply

Operating voltage range:

 2.5V ~ 3.6V (Normal mode under 14.331 MHz ~

17.913 MHz)

 2.2V ~ 3.6V (Normal mode under 447.829kHz ~

14.331 MHz)

 2.2V ~ 3.6V (Sleep/Idle/Green mode)



CPU

 8-bit RISC kernel

 99.9% single instruction cycle commands



Clock

 32.768 kHz clock source

 Built-in PLL to generate main clock 3.5826 MHz

x 0.125, 0.25, 0.5, 1, 2, 3, 4 or 5



Timer and Counter

 Watchdog: Programmable free running on-chip

Watchdog Timer

 TCC: 8-bit real time clock/counter (TCC) with

8-bit prescaler

 Counter 1: 8-bit counter with 8-bit prescaler can

be an interrupt source

 Counter 2: 8-bit counter with 8-bit prescaler can

be an interrupt source



Memory

 16k x 13 on-chip program ROM

 40k x 5 on-chip voice ROM (the max. timing

from voice ROM enable to its data finish = 1.25

µs)

 0.25k x 8 on-chip Data RAM

 144 x 8 common registers



I/O

 Up to 26 bi-directional tri-state I/O ports (18

independent I/O)

 I/O with internal Pull high, wake-up and

interrupt functions

 Operation Mode

Three modes can be selected (Main clock is

generated by internal PLL)

Mode

CPU Status Main Clock 32768 Hz Clock

Sleep mode

Turn off

Idle mode

Turn off

Turn on

Green mode

Turn on

Turn off

Turn on

Normal mode

Turn on



Interrupt

 Selective signal sources and overflow interrupt

 Stack: 8-level stack for subroutine nesting

 Eight interrupt sources: 4 external, 4 internal



Reset

 Power-on reset, /POVD reset (by code option)

or external /RESET pin



DAC

 8-bit current DAC

 Can be accessed by ASPCM hardware or from

DAC input register



Package

 42-pad die (eLD5016H)

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