參數(shù)資料
型號: XRM48L950PGET
廠商: Texas Instruments
文件頁數(shù): 45/176頁
文件大小: 0K
描述: MCU 16/32Bit FLASH 3MB 144LQFP
標(biāo)準(zhǔn)包裝: 1
系列: Hercules™ ARM® RM4x
應(yīng)用: 工業(yè)安全,醫(yī)療
核心處理器: ARM? Cortex? - R4F
程序存儲器類型: 閃存(3MB)
控制器系列: RM4
RAM 容量: 256K x 8
接口: CAN,以太網(wǎng),I²C,LIN,MibSPI,SCI,SPI,USB
輸入/輸出數(shù): 64
電源電壓: 1.14 V ~ 3.6 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 144-LQFP
包裝: 托盤
供應(yīng)商設(shè)備封裝: 144-LQFP(20x20)
其它名稱: 296-29389
SPNS174A – APRIL 2012 – REVISED SEPTEMBER 2013
5.5
Controller Area Network (DCAN)
The DCAN supports the CAN 2.0B protocol standard and uses a serial, multimaster communication
protocol that efficiently supports distributed real-time control with robust communication rates of up to 1
megabit per second (Mbps). The DCAN is ideal for applications operating in noisy and harsh
environments (e.g., automotive and industrial fields) that require reliable serial communication or
multiplexed wiring.
5.5.1
Features
Features of the DCAN module include:
Supports CAN protocol version 2.0 part A, B
Bit rates up to 1 MBit/s
The CAN kernel can be clocked by the oscillator for baud-rate generation.
64 mailboxes on each DCAN
Individual identifier mask for each message object
Programmable FIFO mode for message objects
Programmable loop-back modes for self-test operation
Automatic bus on after Bus-Off state by a programmable 32-bit timer
Message RAM protected by parity
Direct access to Message RAM during test mode
CAN Rx / Tx pins configurable as general purpose IO pins
Message RAM Auto Initialization
DMA support
For more information on the DCAN see the RM48x Technical Reference Manual (SPNU503).
5.5.2
Electrical and Timing Specifications
Table 5-16. Dynamic Characteristics for the DCANx TX and RX pins
Parameter
MIN
MAX
Unit
td(CANnTX)
Delay time, transmit shift register to CANnTX pin(1)
15
ns
td(CANnRX)
Delay time, CANnRX pin to receive shift register
5
ns
(1)
These values do not include rise/fall times of the output buffer.
Copyright 2012–2013, Texas Instruments Incorporated
Peripheral Information and Electrical Specifications
139
Product Folder Links: RM48L950 RM48L750 RM48L550
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