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EM6617 Datasheet(PDF) 13 Page - EM Microelectronic - MARIN SA

Part No. EM6617
Description  Ultra Low Power Microcontroller with ADC AND EEPROM
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Maker  EMMICRO [EM Microelectronic - MARIN SA]
Homepage  http://www.emmicroelectronic.com
Logo EMMICRO - EM Microelectronic - MARIN SA

EM6617 Datasheet(HTML) 13 Page - EM Microelectronic - MARIN SA

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EM6617
Copyright
© 2005, EM Microelectronic-Marin SA
13
www.emmicroelectronic.com
7. Input and Output ports
The EM6617 has one input port and two bi-directional ports.
7.1 Ports overview
Table 7.1.1 Input and Output Ports Overview
Port
Mode
Mask(M:) or Register(R:)
Option
Function
Bit-wise Multifunction on Ports
PA
[3:0]
Input
M: Pull-up
M: Pull-down (default)
R: Pull enabling
R: Debouncer or direct
input for IRQ requests
and Counter
R: + or - for IRQ-edge
and counter
R: Input reset
combination
-Input
-Bit-wise interrupt request
-Software test variable
conditional jump
-PA[3],PA[0] input for the
event counter
-Port A reset inputs
PA[3]
10 bit
event
counter
clock
-
PA[2]
-
-
PA[1]
-
TestVar2
PA[0]
10 bit
event
counter
clock
TestVar1
PB
[3:0]
Individual
input or
output
R: CMOS or
Nch. open drain output
R: Pull-down on input
R: Pull-up on input
M: Pull-up
M: Pull-down
-Input or output
-PB[3] for the PWM output
-PB[2:0] for the
Ck[11,16,12]
output
-Tristate output
PB[3]
PWM
output
PB[2]
Ck[11]
output
PB[1]
Ck[16]
output
PB[0]
Ck[12]
output
PC
[3:0]
Port-wise
input /
output
R: CMOS or
Nch. open drain output
R: Pull-down on input
R: Pull-up on input
M: Pull-up
M: Pull-down
-Input or output
-Tristate output
PC[3]
only in
28 pin
package
PC[2]
only in
28 pin
package
PC[1]
PC[0]


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