EM6517 datasheet(4/64 Pages) EMMICRO

4 / 64 page

EM6517

03/02 REV. C/448

 2002, EM Microelectronic-Marin SA

www.emmicroelectronic.com

Pin Description for EM6517

PDIP24

SO24

PDIP28

SO28

Signal Name

Function

Remarks

VBAT=VDD

Positive power supply

Main power pin

MFP programming connection

VSS

Negative power supply

Reference terminal, substrate

MFP programming connection

Vreg

Internal voltage regulator

connect to minimum 100nF

MFP programming connection

Test

Input test terminal,

internal pull-down 15k

for EM tests only, ground 0 !

Except for MFP programming

Reset

Reset terminal

internal pull-down 15k

Strobe

Strobe / reset status

µC reset state + port B write

Qin

Crystal terminal 1

32kHz crystal

MFP programming connection

Qout

Crystal terminal 2

32kHz crystal

MFP programming connection

PB[0]

Input or output, CMOS or Nch.

open drain; port B terminal 0

Ck[12] output (2 KHz)

PB[1]

Input or output, CMOS or Nch.

open drain; port B terminal 1

Ck[16] output (32 KHz)

PB[2]

Input or output, CMOS or Nch.

open drain; port B terminal 2

Ck[11] output (1 KHz)

PB[3]

Input or output, CMOS or Nch.

open drain; port B terminal 3

PWM output

PA[0]

Input port A terminal 0

TestVar 1,

event counter

PA[1]

Input port A terminal 1

TestVar 2

PA[2]

Input port A terminal 2

PA[3]

Input port A terminal 3

Event counter

PC[0]

Input or output, CMOS or Nch.

open drain; port C terminal 0

PC[1]

Input or output, CMOS or Nch.

open drain; port C terminal 1

PC[2]

Input or output, CMOS or Nch.

open drain; port C terminal 2

Bonded only in 28 pin package

PC[3]

Input or output, CMOS or Nch.

open drain; port C terminal 3

Bonded only in 28 pin package

Ain

channel A for A/D converter

Bin

channel B for A/D converter

Vref

external voltage reference input

FOR the A/D converter

Only used for external Vref

i.e. Vref not equal to VDD

Vgnd

Virtual analogue ground for A/D

converter

Virtual Ground, usually VDD/2

Data

Serial write buffer data out

Clk

Serial write buffer clock out

The EM6517 can be programmed using the standard EM MFP Programming Box for 4 bit uControllers. The

Interface signals are marked in the table above (Grey shaded). The circuit can be programmed on the

programming box or directly on the PCB. For more information please refer to the Programming Box Manual.

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