基于RH850/F1x主控器件的CAN车载网关解决方案
概述
车载中不同ECU之间可以相互通信,每个模块具有不同的数据格式及通讯速率等,如果没有一个协调的关口,就可能造成通信混乱,若网关具有多路通讯接口,则可以对不同的ECU进行分类整理,信息交互则会更高效,控制将会更精准,系统安全性更高。目前市面上主流的网关都主要是3路,4路通信接口,本方案基于32位MCU(RH850/F1L)实现6路CAN车载网关的应用,满足仪表指示,BCM,动力安全,安全气囊,娱乐信息系统,倒车雷达等不同ECU的CAN通信需求,使得各ECU之间信息融合交互更快捷,系统集成度更高,成本更优,更安全可靠。
优势
· 8-16MHZ汽车级无源晶体,标准3225封装,小尺寸2016封装,主流汽车主控RENESAS/NXP/TI/ATMEL等主流厂家官方推荐晶振型号,通过汽车级AEC-Q200认证;工作温度宽(-40-150℃)全球唯一能从材料端-陶瓷底座-导电胶-封装最终产品的晶体厂家,可以为中国客户免费做电容匹配,保证设计应用更可靠。
· TVS(CAN总线保护)满足200-500W不同功率应用,低箝位电压和泄露电流低,符合AEC-Q101汽车电子认证标准,CAN总线保护最佳之选,常用型号有批量备货,可快速供货。
· 32位MCU(RH850/F1x)具有以下几个特性:
80MHZ的CPU运行速度,执行速度快、效率高,满足网关的数据处理要求;大容量闪存,存储能力强,满足网关对数据存储的要求。内部集成6个功能强大的CAN2.0控制器,每个控制器有80个独立的缓存器,十分有利于实现网关高速、大容量的数据处理;集成的CAN控制器能减少器件数目和PCB布线数量,提高整个网关系统的抗干扰性能。同系列产品具有统一的CPU内核架构和通用的外设功能,软硬件兼容,功能增强设计无需更改PCB,节省成本和周期。
【RH850/F1L】
he in-vehicle high-end microcomputer which was the best for body application and had the lineup which can respond to a variety of Systems
The RH850/F1L is a product line in Renesas' RH850/F1x series of single chip microcontrollers designed for automotive body applications. The embedded flash memory will range from 256 KB to 2 MB and packages will be covered from small package 48 pin to 176 pin.
Key Features:
ITEM | RH850/F1L | ||||||
---|---|---|---|---|---|---|---|
Pin Count | 48-pin | 64-pin | 80-pin | 100-pin | 144-pin | 176-pin | |
External Memory I/F | Not provided | Provided | |||||
Clock | Main Oscillator : 8 to 24 MHz, PLL 80 MHz max. | ||||||
On-chip high-speed oscillator: 8 MHz, On-chip low-speed oscillator: 240 kHz | |||||||
32.768kHz sub oscillator & real time clock | Not provided | Provided | |||||
16-bit / 32-bit Timers | 16 / 4 | 16 / 4 | 16 / 4 | 32 / 8 | 32 / 8 | 48 / 8 | |
PWM incl. delay with diagnostics | 13 channels | 24 channels | 48 channels | 64 channels | 72 channels | ||
A/D converter | 12-bit | 8 channels | 10 channels | 11 channels | 16 channels | 16 + 8 channels | 16 + 16 channels |
10-bit | 4 channels | 11 channels | 14 channels | 20 channels | 20 + 4 channels | 20 + 8 channels | |
Serial Interfaces | CSI | 2 channels | 2 channels | 4 channels | 5 channels | 6 channels | 6 channels |
I2C | 1 channel | ||||||
LIN/UART | 1 channel | 2 channels | 3 channels | 4 channels | 6 channels | 6 channels | |
LIN Master | 2 channels | 2 channels | 3 channels | 6 channels | 10 channels | ||
CAN | 1 channel | 3 channels | 4 channels (code flash up to 1MB) 6 channels (code flash over 1 MB) | 6 channels | |||
Functional Safety | Clock Monitor, Window Watchdog Timers, Data CRC, Memory Protection Unit,System Register Protection, Power-on-clear, On-chip Core Voltage Monitor, ECC, Register write protection | ||||||
Power supply voltage | 2.7 to 5.5 V for I/O / 3.0 to 5.5 V for A/D converter | ||||||
Operating ambient temperature | Ta= -40 to 125℃ |
Pin count – Memory size Lineup:
Program Flash
SRAM
2MB 192KB | ● |
---|---|
1.5MB 160KB | ● |
1MB 128KB | ● |
768KB 96KB | ● |
Pins Package | 176 LFQFP |
Block Diagram:
相关元件供应
型号:R7F7010023AFP#AA4 品牌:RENESAS
型号:SM24CANB-02HTG 品牌:LITTELFUSE
型号:SM24CANA-02HTG 品牌:LITTELFUSE
责任编辑:Davia
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