TMS320F2811 datasheet(71/173 Pages) TI

71 / 173 page

Peripherals

April 2001 − Revised July 2007

SPRS174O

Mailbox RAM

(512 Bytes)

32-Message Mailbox

of 4

× 32-Bit Words

Memory Management

Unit

CPU Interface,

Receive Control Unit,

Timer Management Unit

eCAN Memory

(512 Bytes)

Registers and Message

Objects Control

Message Controller

eCAN Protocol Kernel

Receive Buffer

Transmit Buffer

Control Buffer

Status Buffer

Enhanced CAN Controller

Controls

Address

Data

eCAN1INT

eCAN0INT

SN65HVD23x

3.3-V CAN Transceiver

CAN Bus

Figure 4−7. eCAN Block Diagram and Interface Circuit

Table 4−5. 3.3-V eCAN Transceivers for the TMS320F281x and TMS320C281x DSPs

PART NUMBER

SUPPLY

VOLTAGE

LOW-POWER MODE

SLOPE

CONTROL

VREF

OTHER

SN65HVD230

3.3 V

Standby

Adjustable

Yes

−−

−40

°C to 85°C

SN65HVD230Q

3.3 V

Standby

Adjustable

Yes

−−

−40

°C to 125°C

SN65HVD231

3.3 V

Sleep

Adjustable

Yes

−−

−40

°C to 85°C

SN65HVD231Q

3.3 V

Sleep

Adjustable

Yes

−−

−40

°C to 125°C

SN65HVD232

3.3 V

None

−−

−40

°C to 85°C

SN65HVD232Q

3.3 V

None

−−

−40

°C to 125°C

SN65HVD233

3.3 V

Standby

Adjustable

None

Diagnostic

Loopback

−40

°C to 125°C

SN65HVD234

3.3 V

Standby & Sleep

Adjustable

None

−−

−40

°C to 125°C

SN65HVD235

3.3 V

Standby

Adjustable

None

Autobaud

Loopback

−40

°C to 125°C

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