PRELIMINARY DRAFT
MX8870
16M PIXEL HIGH-END PROFESSIONAL CAMERA CONTROLLER
General Description
The MX8870 (DSC-2) is a general purpose LSI for Digital Still Camera application. It implements all necessary
functions in hardware, but also allows maximum flexibility for customization. It provides a variety of choices for
internal processing and peripheral configurations. Customer can always make the combination to fit their own
application.
Overview
- Real Time Monitoring Function
- RGB bayer, RGB stripe, Complementary color filter array CCD supported
- Real-time Processing Unit (High-speed and programmable Image Processing)
- H/W JPEG Decode / Encode unit
- Compact Flash / Smart Media / SD Card / Memory Stick supported
- Displaytech's QVGA module supported
- Built in USB controller (Device Function)
Block Diagram
1999 Oct. 15
Audio Codec
from MIC
to Speaker
from CCD(A/D)
SPU
Real-Time
Processing
Unit
DMA
Controller
DSC2_06S
External DMA
Control
Peripherals( x 2 )
Max 32MB
CCD
Drive
Pulses
13.5MHz
STG
CDU
(JPEG)
PLL
CPU
LX4180
SDRAM
Min. 2 MB
Max 128MB
NTSC/PAL
54MHz
13.5MHz
Composite
Y of S-Sig
C of S-Sig
R/Y of Comp.
G/Cb
B/Cr
Display Tech
EVF
DAC
I Cache: 2Kbyte
D Cache: 2Kbyte
MIU
BIU
Flash Memory
or ROM
Max 32MB
P to S
Conv.
IDU
Aspect
Digital
Encorder Conv.
Coprocessor(CP2)
ReArrangement-Regs
CF
Controller
CF Card
ECC for
SmartMedia
EVF I/F
32KHz
RTC
GPIO
Contl.
SIO
UART
USB
(Device)
Debug
UART0
SSFDC
SmartMedia
to SUB CPU
to PC
to PC
Debugger
Application
This LSI is mostly suitable for Digital Still Camera, Scanners, Printers, Fax etc.
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