Multimedia SoC
Vogager Family
‑ Embedded Graphics
SM502
Key Features
Mobile Multimedia Companion Chip
PCI/32bit host bus support for the processor interface
(SH-4, Power PC, Xscale, MIPS, ARM)
200 MHz DAC support 1280×1024 resolution
Supports 18/24-bit TFT panel and 8/12-bit CSTN panel
128-bit 2D graphic engine
0/8MB embedded SDRAM
Supports seven layers of display frames (2 hardware cursors,
primary graphics, video, video alpha, alpha, and secondary
graphics)
Supports two 8-bit ports or one 16-bit port/ITU601 ZV capture
port
USB1.1 host and slave, UART/IrDA, I2C
AC97
2 DMA controllers support
8051 u-controller embedded
Power consumption < 500mW
Overview
The SM502 is a Mobile Multimedia Companion Chip
(MMCC™) device packaged in a 297-pin Ball Grid Array
and is backward-compatible with the SM501. Designed
to comply with needs of the embedded sector, the SM502
has video and 2D capabilities. To decrease system costs,
the SM502 supports a diverse array of I/Os, including
analog RGB and digital LCD Panel interfaces, an 8-bit
parallel interface, USB, UART, IrDA, two Zoom Video
(ZV) interfaces, AC97 or I-S, SSP, PWM, and I-C. The
additional GPIO bits that can be utilized to interface with
external devices.
The 2D engine has front-end color space conversion with
4:1 and 1:8 scaling support. The video engine supports
two different video outputs (Dual Monitor) at 8, 16, or
32-bit per pixel and a 3-color hardware cursor per video
output. The LCD Panel video pipe supports back-end YUV
color space conversion with 4:1 and 1:212 scaling. A ZV
port is also included as an interface for external circuitry
for MPEG decoding or TV input.
Applications
Packaging
Thin client
Education machine
UMPC
Surveillance
Medical patient monitors
IPC
Embedded product monitors
Signage
Military PDA
297-pin BGA (19mm×19mm)
Video Layers and Data Processing
Hardware Cursor
64x64, 2-bpp color
CRT Graphics Layer
8/16/32-bpp color
Hardware Cursor
64x64, 2-bpp color
FIFO
merge
FIFO
merge
FIFO
merge
Alpha Layer
4 bits ·, 4/12-bpp color,
16-bpp transparent color
alpha blend
FIFO
Video Alpha Layer
4 bits ·, 4/12-bpp color
8/16-bpp transparent color
Video Layer
8/16/32-bpp color YUV 4:2:2
FIFO
scaler
FIFO
scaler
FIFO
LUT
alpha blend
transparency
merge
LUT
merge
Graphics Layer
8/16/32-bpp color
CRT
/ TV
LUT
Panel
Multimedia SoC
Vogager Family
‑ Embedded Graphics
SM502 Block Diagram
GPIO (64b)
USB
I/O Interface
SSP (2x)
8b
8051 µ-controller
Host CPU
(Intel XScale,
MIPS or Hitachi
SH4)
Host or PCI
Digital
32b
LCD Panel
ZV Port
SM502 Core
MPEG/TV
Analog
Analog LCD
or CRT
ZV Port
MPEG/TV
AC97
or I²S
Audio
CODEC
www.siliconmotion.com
32b
UART (2x)
or IrDA (2x),
I²C
SDRAM
2 to 64 MB
This publication, including all photographs, illustrations and software, is protected under international copyright laws, with all rights
reserved. Neither this publication, nor any of the material contained herein, may be reproduced without written consent of the manufacturer.
© Copyright 2008 Silicon Motion, Inc.
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