33889 Datasheet, PDF (53/60 Pages) Freescale Semiconductor, Inc – System Basis Chip with Low Speed Fault Tolerant CAN Interface

TYPICAL APPLICATIONS
TYPICAL APPLICATIONS
VBAT
Q1
RB
V2CTRL
5V
V2
VSUP
HS1
L0
L1
VSUP monitor
Dual Voltage Regulator
CAN
supply
VDD1 Monitor
5V/200mA
HS1 control
Mode control
Oscillator
Programmable
wake-up input
Interrupt
Watchdog
Reset
RRTH ^RTH
CANH
CANL
RRTL
RTL
SPI Interface
Low Speed
V2
Fault Tolerant CAN
Physical Interface
VDD1 _5V/200mA
INT
WDOG
RESET
MOSI
SCLK
MISO
CS
TXD
RXD
GND
Figure 21. 33889D/33889B Simplified Typical Application with Ballast Transistor
VBAT
VSUP
HS1
L0
L1
RRTH ^RTH
CANH
CANL
RRTL
RTL
5V/100mA
V2CTRL (open)
V2
VSUP Monitor
Dual Voltage Regulator
CAN
supply
VDD1 Monitor
5V/200mA
HS1 Control
Mode Control
Oscillator
Programmable
wake-up input
Interrupt
Watchdog
Reset
SPI Interface
Low Speed
V2
Fault Tolerant CAN
Physical Interface
VDD1 _5V/100mA
INT
WDOG
RESET
MOSI
SCLK
MISO
CS
TX
RX
GND
Figure 22. 33889D/33889B Simplified Typical Application without Ballast Transistor
Analog Integrated Circuit Device Data
Freescale Semiconductor
33889
53