SAA8122 Camera Datasheet

SAA8122 Datasheet, PDF, Equivalent


Part Number

SAA8122

Description

Digital Still Camera

Manufacture

NXP

Total Page 7 Pages
Datasheet
Download SAA8122 Datasheet


SAA8122
INTEGRATED CIRCUITS
DATA SHEET
SAA8122
Digital Still Camera
Preliminary specification
Supersedes data of
File under Integrated Circuits, ICXX
1999 sep 01

SAA8122
Philips Semiconductors
Digital Still Camera
Preliminary specification
SAA8122
FEATURES
Support a wide range of CCD (VGA,SVGA,QGA,XGA,EQGA)
Perform an advanced RGB to YUV conversion
Support smart measurement unit to speed up the control loop (Focus, auto white balance,...)
Support a wide range of LCD and TV format (NTSC and PAL) with text re-insertion features
Support an embedded JPEG encoder/decoder unit.
MIPS PR3001 CPU, running in a frequency range from 12 to 28 MHz.
PRISC compatible PI-bus architecture, interrupt, power management, clock and reset architectures.
Support a dedicated video bus and SDRAM memory for picture storage
Support for ROM, DRAM,SRAM, flash and PC Card (Compact Flash and SSFDC).
Integrated general purpose peripherals like a USB,FIR,UART, timers, an I2C transceiver, ADC converters, RTC and
IO ports.
EXTERNAL UNTERFACES
a dedicated interface to IEEE 1394 devices (such as Philips’ PDI 1394 chip-set)
two UART (RS-232) data ports with DMA capabilities (187.5kbit/s) including hardware flow control RxD, TxD, RTS,
CTS for modem support
32 general purpose, bidirectional I/O interface pins, the first 8 bits may also be used as interrupt inputs
two PWM output (8 bit resolution)
CPU relqted features
a 32-bit PR3001 core
1 KB (kilo byte) data cache and 4 KB instruction cache
a programmable low-power mode, including wake-up on interrupt
a memory management unit (TLB: translation lookaside buffer)
two built in 24-bit general purpose timers and one 24-bit watchdog timer in coprocessor zero two built in 24-bit general
purpose timers
a real-time clock unit (active in sleep mode)
an on-chip 8 KBytes SRAM for storing code which needs fast execution
GENERAL DESCRIPTION
The DSC SAA8122E/C1 is a high performance, low power, single-chip MIPS based microprocessor which is dedicated
to image processing and compression.
The DSC SAA8122E/C1 is a highly complex integrated microprocessor system, consisting of one 32-bits RISC CPU
(PR3001), a BCU, an interrupt controller and a power management controller, a ROM/DRAM/SRAM/FLASH/PC-card
memory controller, a JPEG encoder/decoder, a Progammable Pulse Generator, a specific DSP for image processing,
an SDRAM memory controller, a number of standard peripheral modules (like IO ports, timers, a real-time clock, UART,
USB, FIR, and an I2C transceiver) and a Test Control Block module. The DSC is based on the PRISC (Philips RISC)
architecture framework.
The objective of the DSC SAA8122E/C1 is twofold. In the first place, the SAA8122E/C1 is design to propose to the
customer a one chip able to perform all treatments and connections required for a wide range of Digital Still Camera. In
the second place, the SAA8122E/C1 is design around a RISC CPU for which the development environment is already
available and validate to speed up the software development time.
1999 sep 01
2


Features INTEGRATED CIRCUITS DATA SHEET SAA8122 Digital Still Camera Preliminary speci fication Supersedes data of File under Integrated Circuits, ICXX 1999 sep 01 Philips Semiconductors Preliminary sp ecification Digital Still Camera FEAT URES • Support a wide range of CCD (V GA,SVGA,QGA,XGA,EQGA) • Perform an ad vanced RGB to YUV conversion • Suppor t smart measurement unit to speed up th e control loop (Focus, auto white balan ce,...) • Support a wide range of LCD and TV format (NTSC and PAL) with text re-insertion features • Support an e mbedded JPEG encoder/decoder unit. • MIPS PR3001 CPU, running in a frequency range from 12 to 28 MHz. SAA8122 • PRISC compatible PI-bus architecture, interrupt, power management, clock and reset architectures. • Support a dedi cated video bus and SDRAM memory for pi cture storage • Support for ROM, DRAM ,SRAM, flash and PC Card (Compact Flash and SSFDC). • Integrated general pur pose peripherals like a USB,FIR,UART, timers, an I2C transceiver, ADC converters, RTC a.
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