A20 datasheet(7/35 Pages) ETC2

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A20 Datasheet (Revision 1.41)

Page 7

Features

System Resources

●

Timer

–6 timers: clock source can be switched over

24M/32K for all timers, and external signals can be

used as clock source for Timer4/5

–Two 33-bit AVS counters

–Watchdog to generate reset signal or interrupt

–Real time counter for second, minute, hour, day,

month, and year

●

High Speed Timer

–4 channels

–Clock source is fixed to AHB, and the pre-scale

ranges from 1 to 16

–56-bit counter that can be separated to 24-bit high

●

DMA

–16 channels

–Support data width of 8/32 bits

–Support linear and IO address modes

●

CCU

–8PLLs, a main 24MHz oscillator, an on-chip RC

oscillator and a 32768Hz oscillator (optional)

●

GIC

–Support 16 SGIs, 16 PPIs, and 128 SPIs

–Support ARM architecture security extensions

–Support ARM architecture virtualization extensions

–Support uniprocessor and multiprocessor

environments

Video Engine (Phoenix 3.0)

● Video Decoding

–Support picture size up to 3840x2160

–Support decoding speed up to 1080p@60fps

–Supported formats: Mpeg1/2, Mpeg4 SP/ASP

GMC, H.263 including Sorenson Spark, H.264 BP/

MP/HP, VP6/8, AVS jizun, Jpeg/Mjpeg, etc.

● Video Encoding

–H.264 HP up to 1080p@30fps

–Jpeg baseline: picture size up to 4080x4080

–Alpha blending

–Thumb generation

–4x2 scaling ratio from 1/16 to 64 arbitrary non-

integer ratio

Display Engine

● Four moveable and size-adjustable layers, each

layer size up to 8192x8192 pixels

● Ultra-Scaling engine

–8-tap scale filter in horizontal and 4 tap in vertical

–Source image size from 8x4 to 8192x8192

resolution and destination image size from 8x4 to

8192x8192 resolution

● Support multiple image input formats

–mono 1/2/4/8 bpp

–palette 1/2/4/8 bpp

–6/24/32 bpp color

–YUV444/420/422/411

● Support alpha blending/color key/gamma/harware

cursor/sprite

● Output color correction: luminance/hue/saturation,

etc

● Support de-interlace

● Video enhancement: lum peaking/DCTi/black and

white level extension

● 3D input/output format conversion and display

Video Output

● HDMI 1.4 transmitter with HDCP

● LVDS/Sync RGB/CPU LCD interface up to

1920x1200 resolution

● Support 4-channel CVBS, or 2-channel S-video, or

1-channel YPbPr/VGA (YPbPr/VGA up to 1080p)

● Support two-channel independent display

Video Input

● Support TV decoder: 4-ch analog CVBS or 1-ch

YPbPr(480i/576i/480p/576p) signal input

● Dual CMOS sensor parallel interfaces that support

YUV format only

–CSI0 up to 1080p@30fps

–CSI1 up to 720p@30fps

● Support BT656 interface

● Support 24-bit YUV444/RGB interface

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