mc33902 Freescale Semiconductor, Inc, mc33902 Datasheet - Page 27

• Manufacturer Part Number: mc33902
• Description: High Speed Can Interface With Embedded 5.0 V Supply
• Manufacturer: Freescale Semiconductor, Inc

Analog Integrated Circuit Device Data
Freescale Semiconductor
CANH
SPLIT
CANL
30 Ω
30 Ω
Split termination
Figure 18. Typical Application and Bus Termination Options and WAKE Pin Configuration
C4
C2
WAKE
C5
V
BAT
C6
Switch to GND
GND
D1
controller
ECU connector
C4
Micro
Controller
Protocol
CAN
VREG
V
CAN bus
V
V
CC
OUT
IN
2.75 V to 5.0 V
GPIO
R1
Rx
Tx
V
E
BAT
N
C7
Rb
S
CANH
SPLIT
CANL
TYPICAL APPLICATIONS
Supported CAN terminations
MC33902: WAKE Pin Configurations
Standard termination
C1
Typical application
VSUP
INH
VIO
STBY
ERR
TXD
EN
RXD
connect
No
MC33902
WAKE
GND
60 Ω
C4
C5
Switch to V
WAKE
CANH
SPLIT
CANL
VDD
C4
BAT
C4
30 Ω
30 Ω
C3
CAN bus
R1
V
BAT
Rb
S
C4
R1
C5
V
BAT
C6
Rb
S
CANH
CAN bus
SPLIT
CANL
WAKE
Unused WAKE
connect
component list:
D1: 1N4004 type
C1: >=100 nF
C2: >=100 nF
C3: >=2.2 μF
C4: >=50 pF
C5:>=50 pF
C6: 1.0 to 10 nF
C7: 1.0 to 63 μF
R1: 22 kΩ
Rb: customer defined, ex 10 kΩ
No
No termination
TYPICAL APPLICATIONS
C4
C5
CAN bus
33902
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