MC33662LEF Datasheet, PDF (4/31 Pages) Freescale Semiconductor, Inc – LIN 2.1 / SAEJ2602-2, LIN Physical Layer

PIN CONNECTIONS
PIN CONNECTIONS
RXD 1
EN 2
WAKE 3
TXD 4
8 INH
7 VSUP
6 LIN
5 GND
Figure 3. 33662 8-SOICN Pin Connections
Table 2. 33662 8-SOICN Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 21.
Pin
PIN NAME Pin Function Formal Name
Definition
1
RXD
Output
Data Output
This pin is the receiver output of the LIN interface which reports the state
of the bus voltage to the MCU interface.
2
EN
Input
Enable Control
This pin controls the operation mode of the interface.
3
WAKE
Input
Wake Input
This pin is a high-voltage input used to wake-up the device from Sleep
mode.
4
TXD
Input
Data Input
This pin is the transmitter input of the LIN interface which controls the
state of the bus output.
5
GND
Ground
Ground
This pin is the device ground pin.
6
LIN
Input/Output
LIN Bus
This bidirectional pin represents the single-wire bus transmitter and
receiver.
7
VSUP
Power
Power Supply
This pin is the device battery level power supply.
8
INH
Output
Inhibit Output
This pin can have two main functions: controlling an external switchable
voltage regulator having an inhibit input, or driving an external bus
resistor in the master node application.
33662
4
Analog Integrated Circuit Device Data
Freescale Semiconductor