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Figure a3. 83c196ld 52-pin plcc package, Table a4. definition of status symbols, A.2 default conditions – Intel 8XC196Lx User Manual

Page 115: And v, Table a-4. definition of status symbols

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A-7

SIGNAL DESCRIPTIONS

Figure A-3. 83C196LD 52-pin PLCC Package

A.2 DEFAULT CONDITIONS
Table A-5 lists the values of the signals for the 87C196LA and 87C196LB during various oper-

ating conditions. Table A-6 lists the same information for the 83C196LD. Table A-4 defines the

symbols used to represent the pin status. Refer to the DC characteristics table in the datasheet for

actual specifications for V

OL

, V

IL

, V

OH

, and V

IH

.

Table A-4. Definition of Status Symbols

Symbol

Definition

Symbol

Definition

0

Voltage less than or equal to V

OL

, V

IL

MD0

Medium pull-down

1

Voltage greater than or equal to V

OH

, V

IH

MD1

Medium pull-up

HiZ

High impedance

WK0

Weak pull-down

LoZ0

Low impedance; strongly driven low

WK1

Weak pull-up

LoZ1

Low impedance; strongly driven high

ODIO

Open-drain I/O

A3403-02

P6.1 / EPA9

P6.0 / EPA8

P1.0 / EPA0 / T2CLK

P1.1 / EPA1

P1.2 / EPA2 / T2DIR

P1.3 / EPA3

V

CC

V

SS

P0.7

P0.6

P0.5

P0.4

P0.3

7.

4

P /

5

1

D

A

#L

R

W /

#

R

W /

2.

5

P

#

D

R /

3.

5

P V

P

P

V

S

S

EL

A /

#

V

D

A /

0.

5

P V

S

S

1L

AT

X

2L

AT

X

1

D

S /

7.

6

P

1

C

S /

6.

6

P

0

D

S /

5.

6

P

0

C

S /

4.

6

P

AD14 / P4.6

AD13 / P4.5

AD12 / P4.4

AD11 / P4.3

AD10 / P4.2

AD9 / P4.1

AD8 / P4.0

AD7 / P3.7

AD6 / P3.6

AD5 / P3.5

AD4 / P3.4

AD3 / P3.3

AD2 / P3.2

46

45

44

43

42

41

40

39

38

37

36

35

34

xx83C196LD

View of component as

mounted on PC board

8

9

10

11

12

13

14

15

16

17

18

19

20

1.

3

P /

1

D

A

0.

3

P /

0

D

A

#T

E

S

E

R

#

A

E V

S

S

V

C

C

D

XT

/

0.

2

P

D

X

R /

1.

2

P

T

NI

T

X

E /

2.

2

P

4.

2

P

#

E

C

N

O /

6.

2

P

T

U

O

KL

C /

7.

2

P

2.

0

P

12 22 32 42 52 62 72 82 92 03 13 23 33

7 6 5 4 3 2 1 25 15 05 94 84 74

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