PIN CONNECTIONS
Table 1. 33874 Pin Definitions (continued)
A functional description of each pin can be found in the Functional Pin Description section beginning on page 15.
Pin
Number
Pin
Function
Pin Name
Formal Name
Definition
14, 17, 23
15
GND
Ground
Power
Ground
These pins are the ground for the logic and analog circuitry of the device.
VPWR
Positive Power Supply This pin connects to the positive power supply and is the source of operational
power for the device.
16
SO
Output
Output
Serial Output
This output pin is connected to the SPI Serial Data Input pin of the MCU or to
the SI pin of the next device of a daisy-chain of devices.
18
19
21
22
HS3
HS1
HS0
HS2
High Side Outputs
Protected 35mΩ high side power output pins to the load.
20
24
NC
FSI
N/A
No Connect
This pin may not be connected.
Input
Fail-safe Input
The value of the resistance connected between this pin and ground
determines the state of the outputs after a watchdog timeout occurs.
33874
Analog Integrated Circuit Device Data
Freescale Semiconductor
4
FREESCALE [ Freescale ]
