onsemi ASX340AT Evaluation Board User Manual

ASX340AT2C00XPEDH3-GEVB
ASX340AT
Evaluation Board
User’s Manual

ON Semiconductor®
www.onsemi.com

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

• ROHS Compliant

Figure 1. ASX340AT Evaluation Board ASX340AT2C00XPEDH3−GEVB

Top View

Figure 3. Top View of the Board − Default Jumpers

Bottom View

ASX340AT2C00XPEDH3−GEVB

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.

Figure 5. Pin Locations for a Single Jumper. Pin 1 is Located at the Leftmost Side and Increases as it Moves to the Right

Figure 6. Pin Locations and Assignments of Grouped Jumpers.
Pin 1 is Located at the Top-Left Corner and Increases in a Zigzag Fashion Shown in the Picture

Jumper/Header Functions & Default Positions

Table 1. JUMPERS AND HEADERS

Jumper/Header No.| Jumper/Header Name| Pins| Description
---|---|---|---
P3| SADDR| 2−3 (Default)| I2C Address Set to 0x90
1−2| I2C Address Set to 0xBA
P| Mode| Open| Set to Test Mode
P4| ATEST1| 1−2, 3−4 (Default)| Normal Operation
Open| For Debug/Test
P5| DOUTLSB| 1−2, 3−4 (Default)| DOUTLSB [1:0] are Used
Open| DOUTLSB [1:0] are Not Used
P6| TRST_N| 1−2 (Default)| Normal Operation
Open| Test Mode
P7| GPI_LSB0| 2−3 (Default)| Video Output in NTSC Mode
1−2| Video Output in PAL Mode
P8| GPI_LSB1| 2−3 (Default)| Video Output is Not Vertical Flipped
1−2| Video Output is Vertical Flipped
P9| GPI_FV| 2−3 (Default)| Video Output is Not Horizontal Flipped
1−2| Video Output is Horizontal Flipped
P10| GPI_LV| 2−3 (Default)| Video Output does Not Have Pedestal
1−2| Video Output has Pedestal
P13| SPI_SELECT| 1−2 (Default)| SPI EEPROM (1 Mbit) Selected
2−3| SPI EEPROM (1 Mbit) Not Selected
P14| S_CONFIG| 2−3 (Default)| Sensor Operating in AUTO Mode
1−2| Sensor Operating in HOST Mode
P15| SPI_FLASH_SELECT| 1−2 (Default)| SPI FLASH (512 Kbit) Selected
2−3| SPI FLASH (512 Kbit) Not Selected
P16| S_CONFIG_FLASH| 2−3 (Default)| Sensor Operating in Host/Auto CONFIG Mode
1−2| Sensor Operating in FLASH Mode
P17| SPI_SOCKET_SELECT| 2−3 (Default)| SPI SOCKET Not Selected
1−2| SPI SOCKET Selected
P18| SPI Program| Open (Default)| For Connection to External SPI Memory Programmer
P19| JTAG I/F| Open (Default)| For Debug/Test
P20| CLK_SELECT| 1−2 (Default)| Connects to On-board Oscillator
2−3| Connects to HB_MCLK from Demo 3 Baseboard
P21, P22| OSC/XTAL_SELECT| P21 2−3, P22 Closed (Default)| Selects Crystal as Sensor Input Clock
P21 1−2
P22 Open| Selects Oscillator as Sensor Input Clock
P23| EEPROM ADDR| 1−2 Closed, 3−4
Open (Default)| EEPROM Address Set to 0xA8
1−2 Open, 3−4 Open| EEPROM Address Set to 0xAC
1−2 Open, 3−4 Closed| EEPROM Address Set to 0xA4
1−2 Closed, 3−4 Closed| EEPROM Address Set to 0xA0
P24| BEAGLE I/F| Open (Default)| For Debug/Test
P25| BEAGLE_SELECT| 1−2 (Default)| BEAGLE I/F Disabled
Open| BEAGLE I/F Enabled
P33| +VDDIO| 1−2 (Default)| Selects +2V8_VDDIO_HB
P35| +VDD_EXT| 2−3 (Default)| Connects to On-board +VDD_EXT Power Supply
1−2| External Power Supply Connection
P36| GPIO13| 2−3 (Default)| Selects Device Address to 0x90
1−2| Selects Device Address to 0xBA
P37| GPIO12| 2−3 (Default)| Selects Device Address to 0x90
1−2| Selects Device Address to 0xBA
SW1| RESET| N/A| When Pushed, 240 ms Reset Signal will be Sent to ASX340

ASX340AT2C00XPEDH3−GEVB

Interfacing to ON Semiconductor Demo 3 Baseboard
The ON Semiconductor Demo 3 baseboard has a similar 52-pin connector which mates with J2 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

Figure 7. Top and Bottom View of Shorted Jumper.
The Bottom View Shows the Trace Location to Cut for Current Measurement

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