BU1574GUW is a ROHM AIE : Adaptive Image Enhancer image processing chip that supports QCIF to WVGA+ sized image data, ITU-R BT.656-4 or YCbCr data formats, three operating modes: Image Enhance, Through and Sleep, registers can be set up through the 2-wire serial interface (I2C), a PWM output for image adjustment LCD backlight control, built-in edge enhancement and gamma filters, applications for car cameras, car displays, car navigation systems, mobile phones and portable DVD etc.
The BU1574GUW is ROHM's Adaptive Image Enhancer (AIE) semiconductor designed for image processing in automotive cameras, displays, navigation systems, mobile phones, and portable DVD devices. It supports image data from QCIF up to WVGA+ resolution and works with ITU‑R BT.656‑4 or YCbCr data formats.
The document details electrical characteristics, pin assignments, functional blocks such as brightness distinction, edge enhancement, gamma control, and PWM backlight control. It also includes package information, ordering numbers, and usage notes for designers.
| Power supply voltage 1 (VDDIO) – absolute max | -0.3~+4.2 V |
|---|---|
| Power supply voltage 2 (VDD) – absolute max | -0.3~+2.1 V |
| Power dissipation (typical) | 3.107 mW |
| Power supply voltage 1 (IO) – operating | 2.70~3.60 V (typ 3.00 V) |
| Power supply voltage 2 (CORE) – operating | 1.40~1.60 V (typ 1.50 V) |
| Operating temperature range | -40~+85 °C |
It is compatible with I/O data formats of ITU‑R BT.656‑4 or YCbCr with synchronizing signals.
The device provides a PWM output on the PWMO pin for LCD backlight control.
VDDIO should be supplied with 2.70 V to 3.60 V (typical 3.00 V).
The IC operates from –40 °C up to +85 °C.