參數(shù)資料
型號: SAF-XC2264-72F66L
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 66 MHz, MICROCONTROLLER, PQFP100
封裝: 0.50 MM PITCH, GREEN, PLASTIC, LQFP-100
文件頁數(shù): 75/116頁
文件大?。?/td> 1516K
代理商: SAF-XC2264-72F66L
XC2267 / XC2264
XC2000 Family Derivatives
Functional Description
Data Sheet
59
V2.1, 2008-08
3.12
MultiCAN Module
The MultiCAN module contains up to five independently operating CAN nodes with Full-
CAN functionality which are able to exchange Data and Remote Frames using a
gateway function. Transmission and reception of CAN frames is handled in accordance
with CAN specification V2.0 B (active). Each CAN node can receive and transmit
standard frames with 11-bit identifiers as well as extended frames with 29-bit identifiers.
All CAN nodes share a common set of up to 128 message objects. Each message object
can be individually allocated to one of the CAN nodes. Besides serving as a storage
container for incoming and outgoing frames, message objects can be combined to build
gateways between the CAN nodes or to set up a FIFO buffer.
The message objects are organized in double-chained linked lists, where each CAN
node has its own list of message objects. A CAN node stores frames only into message
objects that are allocated to its own message object list and it transmits only messages
belonging to this message object list. A powerful, command-driven list controller
performs all message object list operations.
Figure 11
Block Diagram of MultiCAN Module
mc_multican_block5.vsd
MultiCAN Module Kernel
Interrupt
Control
f
CAN
Port
Control
CAN
Node 1
CAN Control
Message
Object
Buffer
128
Objects
CAN
Node 0
Linked
List
Control
Clock
Control
Address
Decoder
CAN
Node 4
TXDC4
RXDC4
TXDC1
RXDC1
TXDC0
RXDC0
.
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