mc33662 Freescale Semiconductor, Inc, mc33662 Datasheet - Page 28

• Manufacturer Part Number: mc33662
• Description: Lin 2.1 / Saej2602-2, Lin Physical Layer
• Manufacturer: Freescale Semiconductor, Inc

TYPICAL APPLICATIONS
Figure 30
An additional pull-up resistor of 1.0 kΩ in series with a diode
28
33662
The 33662 can be configured for several applications.
VBAT
VBAT
Regulator
Regulator
12V
*: Optional. 2.2k if implemented
12V
5V or
5V or
3.3V
3.3V
*: Optional. 2.2k if implemented
and
2.2kΩ
V
2.2kΩ
V
D1
D1
31
R4
DD
R4
DD
show master and slave node applications.
V
V
DD
DD
18kΩ
18kΩ
MCU
MCU
R2
R2
22µF
22µF
C1
C1
RXD
RXD
TXD
TXD
18kΩ
I/O
18kΩ
I/O
R3
R3
V
V
DD
DD
*
*
*
*
WAKE
WAKE
100nF
100nF
RXD
RXD
TXD
TXD
EN
EN
C3
C3
Figure 30. Master Node Typical Application
Figure 31. Slave Node Typical Application
TYPICAL APPLICATIONS
200 kΩ
200 kΩ
X 1
X 1
35µA
35µA
EN_RXD
EN_RXD
between the INH and LIN pins must be added when the
device is used in the master node.
Control
Control
INH_ON
INH_ON
Unit
Unit
EN_sleep
EN_sleep
RXD_Int
LIN_en
TXD_Int
RXD_Int
LIN_en
TXD_Int
Analog Integrated Circuit Device Data
Receiver
Receiver
GND
GND
Control
Control
Slope
Slope
VSUP
VSUP
30 k
30 k
100nF
100nF
C2
C2
Ω
Ω
Freescale Semiconductor
725 k
725 k
Ω
Ω
INH
INH
LIN
LIN
D2
1.0 kΩ
LIN Bus
LIN Bus
R1