ON Semiconductor AR0140AT, User Manual

AR0140AT3C00XUEAH3

−

GEVB

www.onsemi.com

4

Table 1. JUMPERS AND HEADERS 

(continued)

Jumper/Header No.

Description

Pins

Jumper/Header Name

P19

Master Clock

1

−

2 (Default)

On-Board Oscillator (27 MHz)

2

−

3

AR0140AT Evaluation Board MCLK

P24

I

2

C

1

−

2 & 3

−

4 (Default)

Demo 3 SCL & SDA Connected to Sensor SCL & SDA

Respectively

P27

EEPROM Addr. Sel

3

−

4 Open &

1

−

2 Closed (Default)

EEPROM Address Set to 0xA8

3

−

4 Open &

1

−

2 Closed

EEPROM Address Set to 0xAC

3

−

4 Open &

1

−

2 Closed

EEPROM Address Set to 0xA4

3

−

4 Open &

1

−

2 Closed

EEPROM Address Set to 0xA0

P28

TRIGGER

1

−

2

Trigger Input Enabled

Open (Default)

Connect Generator Between Pin 1 and GND

SW1

RESET

N/A

When Pushed, 240 ms Reset Signal will be Sent to

AR0140AT

Interfacing to ON Semiconductor Demo 3 Baseboard

The ON Semiconductor Demo 3 baseboard has a similar

52-pin connector which mates with J1 of the headboard.
The four mounting holes secure the baseboard and the
headboard with spacers and screws.

Shorted Jumpers for Power Measurement

Different supplies to the evaluation board are provided by

trace shorted jumper, for any voltage and power
measurements. To conduct current for current measurement
on a given power rail, cut the trace between the two pins of
their respective JP, and insert an ammeter prior to powering
up the system. The figure below shows where the trace to cut
is located.

Table 2. SHORTED JUMPERS FOR POWER 

MEASUREMENT 

Jumper

Voltage (V)

JP1 (from Demo3)

5.0

JP2 (Peripheral 3.3 V)

3.3

JP3 (VDDIO_LS)

1.8

JP4 (VDDIO)

1.8

JP7 (VDD)

1.8

JP8 (VDD_SLVS)

1.8

JP9 (VDD_PLL)

2.8

JP10 (VAA)

2.8

JP11 (VAA_PIX)

2.8

JP18 (VDD_SLVS)

0.4

Figure 7. Top and Bottom View of Shorted Jumper.

The Bottom View Shows the Trace Location to Cut for Current Measurement

Cut Here