TC7129CPL(2002) データシートの表示（PDF） - Microchip Technology

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TC7129CPL
(Rev.:2002)

4-1/2 Digit Analog-to-Digital Converters with On-Chip LCD Drivers

Microchip Technology 

TC7129

TABLE 2-1: PIN FUNCTION TABLE (CONTINUED)

Pin No.

Pin No.

Pin No.

40-Pin PDIP 44-Pin PQFP 44-Pin PLCC

36

34

40

37

35

41

38

36

42

39

37

43

40

38

44

—

6,17, 28, 39 12, 23, 34, 1

Symbol

DGND

RANGE

DP2

DP1

OSC2

NC

Function

Internal ground reference for digital section. See Section 4.3,

±5V Power Supply.

3µA pull-down for 200mV scale. Pulled HI externally for 2V scale.

Internal 3µA pull-down. When HI, decimal point 2 will be on.

Internal 3µA pull-down. When HI, decimal point 1 will be on.

Output of first clock inverter. Input of second clock inverter.

No connection.

DS21459B-page 6

© 2002 Microchip Technology Inc.

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