MC34921 Datasheet, PDF (3/36 Pages) List of Unclassifed Manufacturers – Configurable Motor Driver IC with Power Supplies

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