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34905 PDF 데이터시트 ( Data , Function )

부품번호 34905 기능
기능 System Basis Chip
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34905 데이터시트, 핀배열, 회로
Freescale Semiconductor
Technical Data
Document Number: MC34903_4_5
Rev. 4.0, 10/2013
System Basis Chip with CAN
High Speed and LIN Interface
I3n34d49u90s03t3/r4/i/a5l
The 34903/4/5 is the second generation family of the System Basis
Chip (SBC). It combines several features and enhances present
module designs. The device works as an advanced power
management unit for the MCU with additional integrated circuits such
as sensors and CAN transceivers. It has a built-in enhanced high-speed
CAN interface (ISO11898-2 and -5) with local and bus failure
diagnostics, protection, and fail-safe operation modes. The SBC may
include zero or one LIN 2.1 interface with LIN output pin switches. It
includes up to four wake-up input pins that can also be configured as
output drivers for flexibility. This device is powered by SMARTMOS
technology.
SYSTEM BASIS CHIP
This device implements multiple Low-power (LP) modes, with very
low-current consumption. In addition, the device is part of a family
concept where pin compatibility adds versatility to module design.
EK Suffix (Pb-free)
98ASA10556D
32-PIN SOIC
The 34903/4/5 also implements an innovative and advanced fail-safe
state machine and concept solution.
Applications
Features
• Industrial process control
• Voltage regulator for MCU, 5.0 or 3.3 V, part number selectable, with
possibility of usage external PNP to extend current capability and
share power dissipation
• Voltage, current, and temperature protection
• Automation
• Motor control
• Robotics
• Extremely low quiescent current in LP modes
• Fully-protected embedded 5.0 V regulator for the CAN driver
• Multiple undervoltage detections to address various MCU
specifications and system operation modes (i.e. cranking)
• Auxiliary 5.0 or 3.3 V SPI configurable regulator, for additional ICs,
with overcurrent detection and undervoltage protection
• MUX output pin for device internal analog signal monitoring and
power supply monitoring
• Advanced SPI, MCU, ECU power supply, and critical pins
diagnostics and monitoring.
• Multiple wake-up sources in LP modes: CAN or LIN bus,
I/O transition, automatic timer, SPI message, and VDD overcurrent
detection.
• ISO11898-5 high-speed CAN interface compatibility for baud rates of
40 kb/s to 1.0 Mb/s
• Scalable product family of devices ranging from 0 to 1 LIN,
compatible to J2602-2 and LIN 2.1
Freescale Semiconductor, Inc. reserves the right to change the detail specifications,
as may be required, to permit improvements in the design of its products.
© Freescale Semiconductor, Inc., 2013. All rights reserved.




34905 pdf, 반도체, 판매, 대치품
SIMPLIFIED APPLICATION DIAGRAMS
VBAT
VBAT
CAN Bus
LIN Bus
D1
34903S
Q1*
* = Optional
VSUP
SAFE
DBG
GND
VSENSE
IO-0
VE VB
VDD
RST
INT
MOSI
SCLK
MISO
CS
MUX-OUT
SPI
VDD
MCU
A/D
CANH
SPLIT
CANL
LIN-T1/I/O-2
LIN-1
I/O-3
5V-CAN
TXD
RXD
TXD-L1
RXD-L1
Figure 3. 34903S Simplified Application Diagram
VBAT
CAN Bus
VBAT
VBAT
34903P
D1
Q1* * = Optional
VSUP
SAFE
DBG
GND
VSENSE
IO-0
CANH
SPLIT
CANL
VE VB
VDD
RST
INT
MOSI
SCLK
MISO
CS
MUX-OUT
5V-CAN
TXD
RXD
SPI
VDD
MCU
A/D
I/O-2
I/O-3
Figure 4. 34903P Simplified Application Diagram
34903/4/5
4
Analog Integrated Circuit Device Data
Freescale Semiconductor

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34905 전자부품, 판매, 대치품
INTERNAL BLOCK DIAGRAMS
VSUP VE VB
VSUP VE VB
SAFE
DBG
GND
VSENSE
I/O-0
I/O-2
I/O-3
CANH
SPLIT
CANL
VS-INT VDD Regulator
VDD
VS-INT VDD Regulator
Oscillator
Fail-safe
Power Management
State Machine
Analog Monitoring
SPI
RST
INT
MOSI
SCLK
MISO
CS
SAFE
DBG
GND
VSENSE
Oscillator
Fail-safe
Power Management
State Machine
Analog Monitoring
SPI
Signals Condition & Analog MUX
VS-INT
Configurable
Input-Output
5 V-CAN
Regulator
MUX-OUT
5 V-CAN
I/O-0
I/O-3
Signals Condition & Analog MUX
VS-INT
Configurable
Input-Output
5 V-CAN
Regulator
Enhanced High Speed CAN
Physical Interface
34903P
TXD
RXD
CANH
SPLIT
CANL
LIN-T
LIN
Enhanced High Speed CAN
Physical Interface
VS-INT
LIN Term #1
LIN 2.1 Interface - #1
34903S
Figure 7. 34903 Internal Block Diagram
VDD
RST
INT
MOSI
SCLK
MISO
CS
MUX-OUT
5 V-CAN
TXD
RXD
TXD-L
RXD-L
Analog Integrated Circuit Device Data
Freescale Semiconductor
34903/4/5
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관련 데이터시트

부품번호상세설명 및 기능제조사
34903

System Basis Chip

Freescale Semiconductor
Freescale Semiconductor
34904

System Basis Chip

Freescale Semiconductor
Freescale Semiconductor

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