參數(shù)資料
型號(hào): SAH-XC2723X-20F66V
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, RISC MICROCONTROLLER, PQCC48
封裝: 0.50 MM PITCH, GREEN, PLASTIC, VQFN-48
文件頁(yè)數(shù): 61/112頁(yè)
文件大小: 3116K
代理商: SAH-XC2723X-20F66V
XC2723X
XC2000 Family / Econo Line
Functional Description
PRELIMINARY
Data Sheet
48
V1.0, 2010-12
3.13
MultiCAN Module
The MultiCAN module contains two 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.
The two CAN nodes share a common set of message objects. Each message object can
be individually allocated to either 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_block.vsd
MultiCAN Module Kernel
Interrupt
Control
fCAN
Port
Control
CAN Control
Message
Object
Buffer
CAN
Node 0
Linked
List
Control
Clock
Control
Address
Decoder
CAN
Node n
TXDCn
RXDCn
TXDC0
RXDC0
...
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