SAB-C517A-4R24M Ver la hoja de datos (PDF) - Infineon Technologies

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SAB-C517A-4R24M

8-bit CMOS Microcontroller

Infineon Technologies 

C517A

Table 1

Pin Definitions and Functions

6\PERO

P1.0 - P1.7

3LQ 1XPEHU

304)3 3/&&

9 - 6, 1,

100 - 98

36 - 29

9

36

8

35

7

34

6

33

1

32

100

31

99

30

98

29

*) I = Input,

O = Output

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I/O Port 1

is an 8-bit quasi-bidirectional I/O port with

internal pullup resistors. Port 1 pins that

have 1’s written to them are pulled high by

the internal pullup resistors, and in that state

can be used as inputs. As inputs, port 1 pins

being externally pulled low will source

current (I IL, in the DC characteristics)

because of the internal pullup resistors. The

port is used for the low-order address byte

during program verification. Port 1 also

contains the interrupt, timer, clock, capture

and compare pins that are used by various

options. The output latch corresponding to a

secondary function must be programmed to

a one (1) for that function to operate (except

when used for the compare functions). The

secondary functions are assigned to the port

1 pins as follows :

P1.0 / INT3 / CC0 Interrupt 3 input /

compare 0 output /

capture 0 input

P1.1 / INT4 / CC1 Interrupt 4 input /

compare 1 output /

capture 1 input

P1.2 / INT5 / CC2 Interrupt 5 input /

compare 2 output /

capture 2 input

P1.3 / INT6 / CC3 Interrupt 6 input /

compare 3 output /

capture 3 input

P1.4 / INT2 / CC4 Interrupt 2 input /

compare 4 output /

capture 4 input

P1.5 / T2EX

Timer 2 external

reload / trigger input

P1.6 / CLKOUT System clock output

P1.7 / T2

Counter 2 input

Semiconductor Group

6

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