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EM6617 Datasheet(PDF) 13 Page - EM Microelectronic - MARIN SA |
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EM6617 Datasheet(HTML) 13 Page - EM Microelectronic - MARIN SA |
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13 / 65 page 
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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