EM6580 datasheet(36/55 Pages) EMMICRO

Nome de Peças	EM6580

Descrição Electrónicos	Ultra Low Power 8-pin Flash Microcontroller

PDF	55 Pages

Scroll/Zoom	100%

Fabricante Electrônico	EMMICRO [EM Microelectronic - MARIN SA]

Página de início	http://www.emmicroelectronic.com

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36 / 55 page

EM6580

03/07, rev. J

www.emmicroelectronic.com

10. ADC/SVLD Comparator characteristics

band-gag (360mV)

tested level

- comparator hyst.

Level

Comparator output

Comparator hysteresis is adaptive in 4 steps controlled by MSB of RegSVLDlev register to cover all tested

levels from 0.5V to 3.0V to give a typ. “tested level” hysteresis of 40mV.

Negative hysteresis on comparator is implemented to eliminate comparator output oscillation arround switching

point.

11. RAM

The EM6580 has one 80x4 bit static RAM built-in located on addresses hex 0 to 4F. All the RAM nibbles are

direct addressable.

Figure 24. RAM Architecture

RAM 80 x 4 = direct addressable

Adr [hex]

RAM location

Read / Write

RAM_79

4 bit R/W

RAM_78

4 bit R/W

RAM_77

4 bit R/W

RAM_76

4 bit R/W

RAM_04

4 bit R/W

RAM_03

4 bit R/W

RAM_02

4 bit R/W

RAM_01

4 bit R/W

RAM_00

4 bit R/W

RAM Extension : Unused R/W Registers can often be used as possible RAM extension. Be careful not to use

registers which start, stop, or reset some functions.

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