MPC5668G: Automotive Gateway Solution

Freescale's MPC5668x family is a Qorivva dual-core 32-bit MCU that integrates FlexRay, Ethernet and media local bus. The MPC5668x family is compatible with 32-bit CPU cores (e200z650) and Power Architecture, with speeds up to 116MHz, 2MB flash, Nexus Development Interface (NDI) and IEEE-ISTO 5001-2003, primarily for automotive gateways and body control modules. And a central gateway.

This article refers to the address: http://

The electronic content in automotive products is constantly increasing. A variety of communication protocols, including consumer protocols, allow them to penetrate the automotive market and allow these electronic components to work together.

The 32-bit Qorivva MPC5668G MCU, with dual-core Power Architecture technology, connects all the communication protocols found in the automotive field at a single point. The dual-core architecture provides the performance needed to maintain real-time operation and is supported by a powerful third-party ecosystem.

20120510094340519.jpg

Figure 1 MPC5668G block diagram

MPC5668x main features

• Complex 32-bit CPU core (e200z650)

– Compliance with the Power Architecture embedded catalog

– 32kB standard fast buffer with line lock and 8 memory buffers 16

– Execution speed is static to 116 MHz

• 32-bit I/O processor (e200z0)

– Execution speed to 1/2 CPU core speed (58MHz)

• 2MB on-chip flash memory

– Support for reading during programming and erasing operations, multiple modules also allowing EEPROM emulation

• 512kB+80kB (592kB) on-chip ECC SRAM (MPC5668G)

• 128kB on-chip ECC SRAM (MPC5668E)

• 16 memory protection units (MPC5668E only)

• Direct memory access controller

– 16 channels on the MPC5668G

– 32 channels on the MPC5668E

• Fast Ethernet Controller

– Supports 10Mbps and 100-Mbps IEEE 802.3 MII, 10Mbps 7-wire interface

– IEEE 802.3 MAC (in accordance with IEEE 802.3 1998 version)

• Media Local Bus (MLB) interface (MPC5668G only)

– Supports 16 logical channels with a maximum speed of 1024 Fs

• Interrupt controller (INTC) supports 316 external interrupt vectors (22 saved)

• System clock

20120510094340870.jpg

Figure 2 MPC5668E block diagram

– Modulated frequency phase locked loop (FMPLL)

– 4MHz~40 MHz crystal oscillator (XTAL)

– 32 kHz crystal oscillator (XTAL)

– Dedicated 16 MHz to 128 kHz internal RC oscillator

• Analog to Digital Converter (ADC) Module

– 10-bit A/D resolution

– 32 external channels

– 36 internal channels (MPC5668G)

– 64 external channels (MPC5668E)

• Cross trigger unit (MPC5668E only)

– Internal conversion trigger for ADC

– can be triggered by an internal timer or eMIOS200

• Continuous Serial Peripheral Interface (DSPI)

– four separate DSPI modules

– full duplex, synchronous transmission

– Master mode or Slave mode operation

• Intra-IC communication (I2C) interface

– four separate I2C modules

– more from the main operation

• Serial Communication Interface (eSCI) Module

– Dual channel DMA interface

– configurable as LIN main line

• eMIOS200 timing input/output

– 24 channel, 16-bit timer (MPC5668G)

– 32-channel, 16-bit timer (MPC5668E)

• Controller Area Network (FlexCAN) Module

– Compliance with CAN protocol specifications, version 2.0B is valid

– 64 mailboxes, each configurable to transmit or receive

• Dual channel lexRay controller

– lexRay protocol specification 1, full implementation of version A

– 128 message buffer

• JTAG controller (MPC5668G only)

– in accordance with IEEE 1149.1-2001

• Nexus Development Interface (NDI)

– only available in 256 MAPBGA package

– in accordance with IEEE-ISTO 5001-2003 requirements

– Support for Nexus Level 3 development on the e200z650

– Support for Nexus 2+ level development on the e200z0

• Internal regulator allows operation from the unit

• 3.3 V or 5 V power supply

MPC5668x target application

• Car Gateway

• Body control module and central gateway

20120510094340719.jpg

Figure 3 MPC5668G evaluation board (EVB) functional block diagram

MPC5668G Evaluation Board

The MPC5668 Evaluation Board (hereafter referred to as EVB) provides a simple customer evaluation method for the MPC5668 family of microcontrollers and can facilitate hardware and software development.

The MPC5668 series is available in a 208MAPBGA package. The 256MAPBGA package supporting Nexus debugging is also available for development.

The EVB is primarily intended for test benches/labs and has used the normal temperatures specified by the components. (+70 ° C). Main features of the MPC5668G evaluation board

EVB offers the following key features:

• MCU slot supports 208BGA production package and 256BGA development package

• A separate 12V~14V external power input with on-board debugger provides all required EVB and MCU voltages, which can be supplied via a 2.1mm cylindrical power outlet and 2-way connector, if needed, in the car 12V operating voltage can be used inside

• Flexible on-board power configuration with optional internal MCU regulator bypass if required

• Main Power Switch and Regulator Status LED—The regulator is connected to the ADC to allow for monitoring.

• User reset conversion with reset status LED

• User configurable low voltage rejection to monitor the status of 3.3V and 5V regulators

• Control BOOTCFG status via a dedicated jumper

• Flexible MCU clock options

– 40MH oscillator crystal

– 32Khz clock crystal

– SMA connector to allow support for external clocks

– 8Mhz oscillator circuit

• SMA connector on MCU-CLKOUT signal for easy access

35 KV Transformer

35 Kv Transformer,Low Noise 35 Kvoil-Immersed Transformer,Oil Immersed Transformers With High Load Capacity,High Voltage Insulated Oil-Immersed Transformer

Tianhong Electric Power Technology Co., Ltd , https://www.tianhongtransformer.com

Posted on