Analog Integrated Circuit Device Data

4

Freescale Semiconductor

33879

PIN CONNECTIONS

PIN CONNECTIONS

Figure 3. 33879 Pin Connections

Table 2. 33879 Pin Definitions

A functional description of each pin can be found in the Functional Pin Description section beginning on page 15.

Pin Number

Pin Name

Pin

Function

Formal Name

Definition

1

GND

Ground

Ground

Digital ground.

2

Input

Logic Supply

Voltage

mode.

3

S8

Output

Source Output 8

Output 8 MOSFET source pin.

4, 8, 9,

24, 25, 30

NC

No

Connection

Not Connected

No internal connection to this pin.

5

D8

Output

Drain Output 8

Output 8 MOSFET drain pin.

6

S2

Output

Source Output 2

Output 2 MOSFET source pin.

7

D2

Output

Drain Output 2

Output 2 MOSFET drain pin.

10

S1

Output

Source Output 1

Output 1 MOSFET source pin.

11

D1

Output

Drain Output 1

Output 1 MOSFET drain pin.

12

D6

Output

Drain Output 6

Output 6 MOSFET drain pin.

13

S6

Output

Source Output 6

Output 6 MOSFET source pin.

14

IN6

Input

Command Input 6

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

15

EN

Input

Enable Input

IC Enable. Active high. With EN low, the device is in Sleep mode.

16

SCLK

Clock

SPI Clock

SPI control clock input pin.

17

DI

Input

Serial Data Input

SPI control data input pin from MCU to the 33879. Logic [1] activates output.

18

CS

Input

SPI Chip Select

SPI control chip select input pin from MCU to the 33879. Logic [0] allows

data to be transferred in.

19

IN5

Input

Command Input 5

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

20

S5

Output

Source Output 5

Output 5 MOSFET source pin.

21

D5

Output

Drain Output 5

Output 5 MOSFET drain pin.

22

D3

Output

Drain Output 3

Output 3 MOSFET drain pin.

DO

1

D7

S4

D4

NC

NC

S3

D3

D5

S5

CS

DI

IN5

S7

NC

GND

D8

S2

D2

NC

NC

S1

D1

D6

S6

EN

SCLK

IN6

NC

S8

8

9

10

11

12

13

14

15

16

3

4

5

6

7

2

32

25

24

23

22

21

20

19

18

17

30

29

28

27

26

31

GND