嵌入式主板
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• 移动设备级的性能 XBurst CPU双核 (1.2GHz/300MHz) • 可穿戴式设备级的超低功耗 (0.07mW/MHz) • 可穿戴设备级的超小封装 (7.7 x 8.9 x 0.76 mm) • 内置语音唤醒引擎 |
芯片框图
芯片规格
CPU |
XBurst-HP core, 1.2GHz (MIPS-based). XBurst-LP core, 300MHz (MIPS-based). 32KB L1 I-cache and 32KB L1 D-cache for each core. 512KB L2 unified cache. |
GPU |
3D GPU with OpenGL ES 2.0/1.1 compliant. 2D GPU with OpenVG 1.1 compliant. |
VPU |
Video encoder: H.264, VP8, 720P@30fps. Video decoder: H.264, MPEG-4, MPEG-1/2, VC-1, RV9, VP8, 720P@30fps. |
ISP |
Wide Dynamic Range (EDR), dual-stream processing. Video and still image stabilization. Image cropping and rescaling. Auto exposure and gain control. Auto white balancing and auto focus control. Edge sharpening and advanced noise reduction. Color correction and management. Auto contrast enhancement and Gamma correction. Special digital effects. |
Memory |
DDR2, DDR3, LPDDR, LPDDR2, up to 667Mbps. 16 and 32 bit external DDR data width. 64-bit ECC NAND flash support, 512B/2KB/4KB/8KB/16KB page size. Toggle1.0 and ONFI2.0 NAND. 2 channels high performance PDMA, and 30 channels general purpose DMA. |
Display |
LCD controller with OSD: TFT, SLCD and MIPI-DSI (2-lanes). Embedded E-Ink controller. |
Camera |
MIPI-CSI2 (2-lanes) and DVP interface. |
Audio |
Embedded audio CODEC. Low power DMIC controller. AC97/I2S/SPDIF interface for external audio codec. PCM interface, master and slave mode. |
Voice Trigger Engine |
System wakeup on specific voice command, programmable. |
ADC |
3 channels SAR A/D controller, 12-bit resolution. |
On-chip Peripherals |
USB 2.0 OTG. MMC/SD/SDIO controller. Full-duplex UART port. Synchronous serial interface. Two-wire SMB serial interface. |
Security |
Total 4KB OTP memory. Highest lever 1 security boot. |
Package |
BGA270, 7.7 x 8.9 x 0.76 (mm), 0.4mm pitch. |
OS |
Android 5.1 and beyond. |
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