© 2002 Microchip Technology Inc.

DS21477B-page 5

TC826

41

BAR 24

LCD Segment driver: Bar 24.

42

BAR 25

LCD Segment driver: Bar 25.

43

BAR 26

LCD Segment driver: Bar 26.

44

BAR 27

LCD Segment driver: Bar 27.

45

BAR 28

LCD Segment driver: Bar 28.

46

BAR 29

LCD Segment driver: Bar 29.

47

BAR 30

LCD Segment driver: Bar 30.

48

NC

No connection.

49

BAR 31

LCD Segment driver: Bar 31.

50

BAR 32

LCD Segment driver: Bar 32.

51

BAR 33

LCD Segment driver: Bar 33.

52

BAR 34

LCD Segment driver: Bar 34.

53

BAR 35

LCD Segment driver: Bar 35.

54

BAR 36

LCD Segment driver: Bar 36.

55

BAR 37

LCD Segment driver: Bar 37.

56

BAR 38

LCD Segment driver: Bar 38.

57

BAR 39

LCD Segment driver: Bar 39.

58

BAR 40

LCD Segment driver: Bar 40.

59

OR

LCD segment driver that indicated input out-of-range condition.

60

POL-

LCD segment driver that indicates input signal is negative.

61

BAR/DOT

Input logic signal that selects BAR or DOT display format. Normally in BAR mode. Connect

62

HOLD

Input logic signal that prevents display from changing. Pulled high internally to inactive

63

TEST

Input logic signal. Sets TC826 to BAR Display mode. BAR 0 to 40, plus OR flash on and

1M

Ω series resistor to activate.

64

NC

No connection.

TABLE 2-1:

PIN FUNCTION TABLE (CONTINUED)

Pin Number

(64-Pin PQFP)

Symbol

Description