MC34921AE 데이터 시트보기 (PDF) - Freescale Semiconductor

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MC34921AE

H-BRIDGE MOTOR DRIVER AND POWER SUPPLY

Freescale Semiconductor 

TERMINAL CONNECTIONS

TERMINAL CONNECTIONS

GND

1

VCORE SELECT

2

SA/CDCMA

3

SA/CDCMB

4

SB/LSOUT1

5

SB/LSOUT2

6

B+

7

NC

8

NC

9

3.3V SWITCH

10

3.3 V

11

VCORE SUPPLY

12

VCORE

13

ADCMA

14

ADCMA

15

GND

16

48

GND

47

ENC_FILTA

46

ENC_FILTB

45

AN3/ANALOGIN_B

44

AN2/ANALOGIN_A

43

AN1/ANALOGOUT_B

42

AN0/ANALOGOUT_A

41

GND

40

NC

39

5V

38

5 V SUPPLY

37

5 V SWITCH

36

5 V SELECT

35

BDCMA

34

BDCMA

33

GND

Figure 3. Terminal Function Description

Table 1. Terminal Function Description

A functional description of each terminal can be found in the Functional Terminal Description section beginning on page 18

Terminal

Terminal Name

Formal Name

Definition

1, 16, 17, 24,

32, 33, 41,

48, 49, 64

2

3

4

5

6

7, 20, 21, 28,

29, 62

8, 9, 25,

40, 57

GND

VCORE SELECT

SA / CDCMA

SA / CDCMB

SB / LSOUT1

SB / LSOUT2

B+

NC

Ground

Ground.

Core Voltage Output Core voltage regulator output voltage select.

Select

Unipolar Step A/ Step Motor Output A or DC Motor C Output A.

DC Motor C Output A

Unipolar Step A/ Step Motor Output A or DC Motor C Output B.

DC Motor C Output B

Unipolar Step B/

Low-Side 1

Step Motor Output B or Low-Side Output 1.

Unipolar Step B/

Low-Side 2

Step Motor Output B or Low-Side Output 2.

Power Supply Input Motor and regulator input voltage.

No Connect

No internal connection to this terminal.

Analog Integrated Circuit Device Data

Freescale Semiconductor

34921

3

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