mc33999ek/r2 Freescale Semiconductor, Inc, mc33999ek/r2 Datasheet - Page 3

• Manufacturer Part Number: mc33999ek/r2
• Description: 16-output Switch With Spi And Pwm Control
• Manufacturer: Freescale Semiconductor, Inc

Table 1. 33999 Pin Definitions
Analog Integrated Circuit Device Data
Freescale Semiconductor
25, 26, 29, 30, 33,
34, 48, 49, 52, 53
2, 3, 6, 7, 21, 22,
9, 10, 18, 19, 36,
1, 4, 24, 27, 28,
11 –17, 38 – 40,
37, 41, 45, 46
A functional description of each pin can be found in the Functional Pin Description section beginning on
Pin Number
31, 51, 54
42 – 44
20
23
32
35
47
50
5
8
PWM14, PWM15
PWM6 – PWM9,
PWM0, PWM1,
OUT0 – OUT15
SOPWR
VPWR
Name
SCLK
PWM
GND
RST
Pin
NC
CS
SO
SI
SOPWR
PWM0
PWM1
VPWR
PWM6
PWM7
Function
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
SCLK
Ground
Output
Output
GND
GND
GND
GND
GND
GND
GND
Power
Input
Input
Input
Input
Input
Input
Input
N/C
Pin
NC
NC
NC
NC
CS
Figure 3. 33999 Pin Connections
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
PIN CONNECTIONS
PWM Control Pin
SO
Formal Name
System Clock
Serial Output
Battery Input
PWMn Input
No Connect
Chip Select
Serial Input
Output 0 –
Output 15
PWR
Ground
Reset
Supply
Parallel PWM control Input pins. Allows direct PWM control of
eight outputs.
Low-side driver outputs.
Power supply pin to the SO output driver.
Battery supply input pin.
These pins have no connection.
Ground for logic, analog, and power output devices.
System Clock for internal shift registers of the 33999.
SPI control chip select input pin from MCU to 33999.
Serial data input pin to the 33999.
Serial data output pin.
Active low reset input pin.
PWM control input pin. Supports PWM on any combination of
outputs.
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
PWM15
OUT15
OUT14
PWM14
PWM
OUT13
OUT12
RST
NC
NC
GND
GND
GND
NC
GND
GND
GND
NC
NC
SO
OUT11
OUT10
SI
PWM9
OUT9
OUT8
PWM8
Definition
page
PIN CONNECTIONS
10.
33999
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