Analog Integrated Circuit Device Data

Freescale Semiconductor

3

33880

PIN CONNECTIONS

PIN CONNECTIONS

Figure 3. 98ASB42345B SOICW 28-Pin Connections

Table 1. SOICW 28-Pin Definitions

Pin

Number

Pin Name

Definition

1

GND

Digital ground.

2

VDD

3, 4

S8

Output 8 MOSFET source pins.

5

D8

Output 8 MOSFET drain pin.

6

S2

Output 2 MOSFET source pin.

7

D2

Output 2 MOSFET drain pin.

8

S1

Output 1 MOSFET source pin.

9

D1

Output 1 MOSFET drain pin.

10

D6

Output 6 MOSFET drain pin.

11

S6

Output 6 MOSFET source pin.

12

IN6

PWM direct control input pin for output 6. IN6 is “OR” with SPI bit.

13

EN

Enable input. Allows control of outputs. Active high.

14

SCLK

SPI control clock input pin.

15

DI

SPI control data input pin from MCU to the 33880. Logic [1] activates output.

16

CS

SPI control chip select input pin from MCU to the 33880. Logic [0] allows data to be transferred in.

17

IN5

PWM direct control input pin for output 5. IN5 is “OR” with SPI bit.

18

S5

Output 5 MOSFET source pin.

19

D5

Output 5 MOSFET drain pin.

20

D3

Output 3 MOSFET drain pin.

21

S3

Output 3 MOSFET source pin.

22

D4

Output 4 MOSFET drain pin.

23

S4

Output 4 MOSFET source pin.

24

D7

Output 7 MOSFET drain pin.

25, 26

S7

Output 7 MOSFET source pins.

27

VPWR

Power supply pin to the 33880. VPWR has internal reverse battery protection.

28

DO

SPI control data output pin from the 33880 to the MCU. DO = 0 no fault, DO = 1 specific output has fault.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

28

27

26

25

24

23

22

21

20

19

18

17

16

DO

VPWR

S7

S7

D7

S4

D4

S3

D3

D5

S5

IN5

CS

DI

GND

VDD

S8

S8

D8

S2

D2

S1

D1

D6

S6

IN6

EN

SCLK