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DMC73CE167

8Bit Single Chip Microcontroller

Daewoo Semiconductor 

8Bit Single Chip Microcontroller

87

DMC73C167

Table 6-4. P79 014Fh CPORT Pull-up TR Control Register

Bit

7

R

W

C7

C7 - C4

6

5

4

3

C6

C5

C4

C3

CPORT Pull-up TR Control Data.

0 = Pull-up TR on.

1 = Pull-up TR off.

76543210

Value After Reset 00000000

2

1

0

C2

C1

C0

Note : After the reset values of the A/B/C/D pull-up control registers are all "00h", then all of pull-up TRs

(=47K ohm) are connected to each pin by default. If the pull-up TRs are not needed, write FFh at

P77, P78 and P79 to disconnect the pull-up TR first. Unwanted pull-up TRs can cause problems.

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