ON Semiconductor AR0230AT Evaluation Board User Manual

: August 23, 2024
: ON Semiconductor

Table of Contents

Evaluation Board Overview
Features
Block Diagram
Top View
Bottom View
Jumper Pin Locations
Jumper/Header Functions & Default Positions
ADDITIONAL INFORMATION
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ON Semiconductor AR0230AT Evaluation Board

Evaluation Board Overview

The evaluation boards are designed to demonstrate the features of image sensors products from ON Semiconductor. This headboard is intended to plug directly into the Demo 3 system. Test points and jumpers on the board provide access to the clock, I/Os, and other miscellaneous signals.

Features

Clock Input
- Default – 27 MHz Crystal Oscillator
- Optional Demo 3 Controlled MClk
Two-wire Serial Interface
- Selectable Base Address
Parallel Interface
HiSPi (High Speed Serial Pixel) Interface
ROHS Compliant

Block Diagram

Top View

Bottom View

Jumper Pin Locations

The jumpers on headboards start with Pin 1 on the leftmost side of the pin. Grouped jumpers increase in pin size with each jumper added.

Jumper/Header Functions & Default Positions

Table 1. JUMPERS AND HEADERS

mper/Header No.	Jumper/Header Name	Pins	Description
P3	VPP	Open	OTPM Programming Voltage Not Supplied
P4	SADDR	2−3 (Default)	I2C Address Set to 0x20
1−2	I2C Address Set to 0x30
P5	TEST	2−3 (Default)	Set to Normal Mode
Open	Set to Test Mode
P6	PAR_OE_N	2−3 (Default)	Parallel Output Enabled
Open	Parallel Output Disabled; HiSPi Output Enabled
P7	FLASH	1	+5V0
2	GND
3	FLASH
4	+3V3
P8	STANDBY	2−3 (Default)	Normal Mode
1−2	Standby Mode
P14	Analog Test	1−2 (Default)	ATEST ® GND
P16	VDD_IO	1−2 (Default)	1.8 V Operation of Sensor
2−3	2.8 V Operation of Sensor
P18	HiSPi Mode	1−2 (Default)	SLVS Mode
2−3	Hi-VCM Mode
P19	Master Clock	1−2 (Default)	**On-Board Oscillator (27

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 Demo 3)	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

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