UM1045 datasheet(13/36 Pages) STMICROELECTRONICS

Part #	UM1045

Description	This document applies to revision 2 EVALSPEAR320HMI expansion boards

PDF	36 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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13 / 36 page

EVALSPEAr320HMI

Block descriptions and configurations

Doc ID 18410 Rev 3

13/36

4.4

CAN

The EVALSPEAR320HMI evaluation board supports two channels of CAN2.0A/B compliant

CAN bus communication, based on a 3.3 V CAN transceiver.

High-speed mode, standby mode, and slope control mode are selected by setting JP400

and JP403 as shown in Table 5 and Table 6.

See also: CAN DB9 plug connectors (CN400 and CN401) on page 17

Table 5.

CAN0 transceiver settings

Jumper

Description

Configuration

JP400

Standby mode

High-speed mode (Default)

Slope control mode

JP401

Installing JP401 enables the CAN0 terminal 120

Ω resistor.

Default: installed

Table 6.

CAN1 transceiver settings

Jumper

Description

Configuration

JP403

Standby mode

High-speed mode (Default)

Slope control mode

JP404

Installed, JP404 enables the CAN1 terminal 120

Ω resistor.

Default: installed

1 2 3

1 23

1 2 3

UM1045 Datasheet(PDF) 13 Page - STMicroelectronics