-System control
-Support 16-bit instruction set for smaller code foot-print
-EJTAG interface for S/W development
Memory subsystem
-Built-in 80K SRAM for fast code execution
-SPI NOR flash controller
➢Support code eXecution-In-Place(XIP) for smaller foot-print in SRAM
➢Can store snapshots
-No SDRAM needed to save system cost
SD/MMC card interface controller
-SD card supports up to 32GB SDHC
-Optimized FAT support for robust and reliable file access.
➢The file can keep intact when sudden power failure.
➢Quick file change when recording (less than 0.5 seconds)
On-chip peripherals
-Interrupt controller, System Timer, Watch-Dog Timer
-UART*2, one with hardware flow control
➢to connect/control additional sensors, like g-sensor(acceleromter), GPS-mouse, etc.
-GPIOs
-I2C master/slave modes
-IR
-SAR for keypads
System (Power) Management Unit
-Dynamic Clock frequency adjustment to save power consumption
-Operation, Suspend, Shutdown mode.
-Built-in Real-Time Clock (RTC) for embedding wall clock in record MJPEG.
-Internal LDO for core power 1.8V
Hardwired JPEG, MJPEG encoder
-Support 720x480 30fps on-the-fly.
-Support embedding RTC time to JPEG directly.
-Support saving to SD storage directly and with standard FAT format
Hardwired JPEG, MJPEG decoder
-Support up to 720x480 30fps
Motion Detection
-Support motion detection either through digital CCIR input or analog CVBS input -Triggered event point can be saved in MJPEG file
i80 Slave mode
-i80 Slave mode
On Screen Display(OSD)
-A simple and easy-to-program OSD for UI
Display processor with Scalar and OSD
-Supports one channel 10-bits ADC for CVBS
-Supports digital CCIR656 or 8-/16-bits CCIR601 for CMOS sensors
-Live view on panel while encoding
-Independent Horizontal/Vertical Scaling Up/Down, non-linear FIR scaling for 16:9 ⇔ 4:3 conversion
-Image enhancement includes sharpness, BLE, DLTi, contrast, brightness, DCTi, hue, saturation, ….
-Build-in patterns generator, Gamma correction, Dithering
-Timing controller for LCD panel
-Supported Panel types:
➢i80 vsync and command modes
➢Single channel TTL (Digital RGB, 6 or 8 bits) panel with TCON
➢Serial RGB panel
-DC-DC convert, LED/CCFL backlight convert, Open Lamp protection