Specifications

Specifications

ID052914 Non-Confidential

B.2 Electrical Specification

This section provides information about the voltage and current characteristics for the

motherboard.

B.2.1 Power supply loading

Table B-1 shows the current loading for the ATX power supply by the motherboard.

Table B-2 shows the maximum current loading for the motherboard voltage regulators by the

CoreTile Express or LogicTile Express daughterboards.

Note

You can stack up to eight daughterboards in each site of the V2M-P1 motherboard. Although

the 3V3 voltage regulator can supply 1A to each stack, ARM recommends that each

daughterboard draws only 100mA to give each stack a 200mA safety margin.

These values represent the motherboard PCB tracking and regulator component limits.

Table B-1 Motherboard electrical characteristics

Symbol Description Min Max Peak Unit

12V 12V from ATX power supply 0 10 10 A

5V 5V from ATX power supply 0 10 10 A

3.3V 3.3V from ATX power supply 0 10 10 A

–12V –12V from ATX power supply 0 0 - A

5V standby 5V from ATX power supply 0.1 1 1 A

Table B-2 Daughterboard electrical characteristics

Symbol Description

Current for each

motherboard site.

Unit

5V Main daughterboard supply 5 A

3V3 For configuration logic only 1 A

VIO, 0.8-3V3 IO voltage to motherboard 5 A