mc33905s Freescale Semiconductor, Inc, mc33905s Datasheet - Page 81

• Manufacturer Part Number: mc33905s
• Description: System Basis Chip Gen2 With High Speed Can And Lin Interface
• Manufacturer: Freescale Semiconductor, Inc

Analog Integrated Circuit Device Data
Freescale Semiconductor
VSUP1/2
V
LIN BUS 1
SUP
CAN BUS
V
22uF
V
(27)
SUP
V
BAT
SUP
1.0 k
option 1
V
Notes
BAT
D1
27.
1k
22k
60
60
100nF
1.0 k
option 2
Cap > 10uF required to pass EMC requirement according to
“OEM_HW_Requirement-For CAN_LIN_FR-interface_V10_20081210” or newer
100nF
100nF
>1uF
4.7nF
Figure 37. 33905S Typical Application Schematic
<10k
VBAUX
I/O-0
I/O-3
I/O-1
CANH
LIN TERM1
LIN1
CANL
VSUP2
VSUP1
5V-CAN
VSENSE
SPLIT
Q2
VCAUX
DBG
GND
5.0 V (3.3 V)
VAUX
SAFE
RXDL1
TXDL1
SCLK
MOSI
MISO
MUX
VDD
RXD
RST
TXD
INT
CS
VE
VB
>2.2uF
4.7k *
>4.7uF
V
Safe Circuitry
Q1*
SUP
V
RST
INT
RF module
Switch Detection Interface
Safing Micro Controller
eSwitch
CAN xcvr
A/D
SPI
CAN
LIN1
DD
* = Optional
MCU
V
SUP
TYPICAL APPLICATIONS
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