Analog Integrated Circuit Device Data

Freescale Semiconductor

3

33996

PIN CONNECTIONS

PIN CONNECTIONS

Figure 3. 33996 Pin Locations

Table 1. Pin Definitions

A functional description of each pin can be found in the Functional Pin Description section beginning on page 10.

Pin

Pin Name

Formal Name

Definition

1, 2, 4, 5, 12, 13,

15–18, 20, 21,

28, 29, 31, 32

OUT0–OUT15

Output 0–Output 15

Open drain output pin.

3

SOPWR

Power supply pin to the SO output driver.

6

VPWR

Battery Input

Battery supply input pin.

7–10, 23–26

GND

Ground

Ground for logic, analog, and power output devices.

11

SCLK

System Clock

System Clock for internal shift registers of the 33996.

14

CS

Chip Select

SPI control chip select input pin from the MCU to the 33996.

19

SI

Serial Input

Serial data input pin to the 33996.

22

SO

Serial Output

Serial data output pin.

27

RST

Reset

Active low reset input pin.

30

PWM

PWM Control

PWM control input pin. Supports PWM on any combination of outputs.

OUT15

1

OUT12

RST

GND

GND

GND

GND

SO

OUT11

OUT10

OUT9

OUT8

SI

OUT13

OUT14

PWM

OUT0

OUT3

VPWR

GND

GND

GND

GND

SCLK

OUT4

OUT5

OUT6

OUT7

CS

OUT2

OUT1

SOPWR

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