PIN CONNECTIONS
PIN CONNECTIONS
GND
VDD
S8
NC
D8
S2
D2
NC
NC
S1
D1
D6
S6
IN6
EN
SCLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
GND
25
24
23
22
21
20
19
18
17
DO
VPWR
NC
S7
D7
S4
D4
NC
NC
S3
D3
D5
S5
IN5
CS
DI
Figure 3. 33879 Pin Connections
Table 2. 33879 Pin Definitions
A functional description of each pin can be found in the
section beginning on
Pin Number
1
2
Pin Name
GND
VDD
Pin
Function
Ground
Input
Formal Name
Ground
Logic Supply
Voltage
Source Output 8
Not Connected
Digital ground.
Logic supply for SPI interface. With V
DD
low the device will be in Sleep
mode.
Output 8 MOSFET source pin.
No internal connection to this pin.
Definition
3
4, 8, 9,
24, 25, 30
5
6
7
10
11
12
13
14
15
16
17
18
S8
NC
Output
No
Connection
Output
Output
Output
Output
Output
Output
Output
Input
Input
Clock
Input
Input
D8
S2
D2
S1
D1
D6
S6
IN6
EN
SCLK
DI
CS
Drain Output 8
Source Output 2
Drain Output 2
Source Output 1
Drain Output 1
Drain Output 6
Source Output 6
Command Input 6
Enable Input
SPI Clock
Serial Data Input
SPI Chip Select
Output 8 MOSFET drain pin.
Output 2 MOSFET source pin.
Output 2 MOSFET drain pin.
Output 1 MOSFET source pin.
Output 1 MOSFET drain pin.
Output 6 MOSFET drain pin.
Output 6 MOSFET source pin.
PWM direct control input pin for output 6. IN6 is “OR” with SPI bit.
IC Enable. Active high. With EN low, the device is in Sleep mode.
SPI control clock input pin.
SPI control data input pin from MCU to the 33879. Logic [1] activates output.
SPI control chip select input pin from MCU to the 33879. Logic [0] allows
data to be transferred in.
PWM direct control input pin for output 5. IN5 is “OR” with SPI bit.
Output 5 MOSFET source pin.
19
20
IN5
S5
Input
Output
Command Input 5
Source Output 5
33879
4
Analog Integrated Circuit Device Data
Freescale Semiconductor
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
