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您現(xiàn)在的位置：買(mǎi)賣(mài)IC網(wǎng) > PDF目錄200645 > UPD703270GF-XXX-JBT 32-BIT, MROM, 20 MHz, RISC MICROCONTROLLER, PQFP100 PDF資料下載

型號(hào)：	UPD703270GF-XXX-JBT
元件分類(lèi)：	微控制器/微處理器
英文描述：	32-BIT, MROM, 20 MHz, RISC MICROCONTROLLER, PQFP100
封裝：	14 X 20 MM, PLASTIC, QFP-100
文件頁(yè)數(shù)：	747/1080頁(yè)
文件大?。?/td>	6965K
代理商：	UPD703270GF-XXX-JBT

CHAPTER 19 CAN CONTROLLER

User’s Manual U16541EJ4V0UD

19.1.2 Overview of functions

Table 19-1 presents an overview of the CAN controller functions.

Table 19-1. Overview of Functions

CAN protocol ISO 11898 (standard and extended frame transmission/reception)

Maximum 1 Mbps (CAN clock input

Data storage

Storing messages in the CAN RAM

Number of messages

32 message buffers/channels

Each message buffer can be set to be either a transmit message buffer or a receive

message buffer.

Message reception

Unique ID can be set to each message buffer.

Mask setting of four patterns is possible for each channel.

A receive completion interrupt is generated each time a message is received and stored in

a message buffer.

Two or more receive message buffers can be used as a FIFO receive buffer (multi-buffer

receive block function).

Receive history list function

Message transmission

Unique ID can be set to each message buffer.

Transmit completion interrupt for each message buffer

Message buffer numbers 0 to 7 specified as transmit message buffers can be used for

automatic block transfer. Message transmission interval is programmable (automatic

block transmission function (hereafter referred to as “ABT”)).

Transmission history list function

Remote frame processing

Remote frame processing by transmit message buffer

Time stamp function

The time stamp function can be set for a receive message when a 16-bit timer is used in

combination.

The time stamp capture trigger can be selected (SOF or EOF in a CAN message frame

can be detected).

The time stamp function can be set for a transmit message.

Specific bytes in data field can be replaced with the capture time stamp

Diagnostic function

Readable error counters

“Valid protocol operation flag” for verification of bus connections

Receive-only mode

Single-shot mode

CAN protocol error type decoding

Self-test mode

Forced release from bus-off state

Default mode can be set while bus is off, so that bus can be forcibly released from bus-off

Power save mode

CAN sleep mode (can be woken up by CAN bus)

CAN stop mode (cannot be woken up by CAN bus)

Valid only for the macro with advanced time stamp function

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