Allwinner A527

Octa-core 64-bit platform processor

Overview

Allwinner A527 features high-performance platform processors for ARM PCs, such as 2-in-1 laptops, notebooks, virtual desktops, and open-source handheld game consoles. It integrates octa-core Cortex-A55 CPU, RISC-V, and G57 MC01 GPU to ensure rapid response and smooth running for daily applications, such as online video, web browsing, and 3D gaming. Allwinner A527 also supports memory interfaces (DDR3/DDR3L/LPDDR3//DDR4/LPDDR4/LPDDR4X, eMMC, NAND, and SPI NAND), high-speed interfaces (PCIe2.1 and USB3.1), multi video output interfaces (2xRGB/2xDual­LVDS/MIPI-DSI/eDP/HDMI), and video input interfaces (MIPI CSI). In addition, it supports 4K@60fps H.265 decoder, 4K@25fps H.264 encoder, DI, and SmartColor system, providing users with outstanding video experience. Allwinner A527 can be used in GMS tablets, dual screen cash register, and large screen display market.

Highlights

8 x A55 CPU, RISC-V, G57 MC01 GPU, and 4GB DDR3/DDR3L/LPDDR3/DDR4/LPDDR4/LPDDR4X, for processing needs of ARM PC applications

Support full format video playback, 4K@60fps H.265 video decoder, and 4K@25fps H.264 video encoder

Output interfaces including RGB888, MIPI-DSI, 2x dual link LVDS, HDMI 2.0, eDP, and integrated MIPI CSI supporting maximum 4-ch HD camera input

Rich interfaces including 2 x USB 2.0, 1 x PCIE 2.1 & USB 3.1 combo, 1 x GMAC, 10 x UART, 9 x TWI, 30-ch PWM, and 24-ch GPADC

Block diagram

 

Specifications

 

Processor

Octa-core ARM Cortex-A55, up to 2.0 GHz

Single-core RISC-V, up to 200 MHz

ARM G57 MC01 GPU

 

Memory

32-bit DDR3/DDR3L/LPDDR3/DDR4/LPDDR4/LPDDR4X interfaces

Support maximum capacity of 4GB

4 chip select lines for LPDDR3, LPDDR4, and LPDDR4X (especially 64-bit)

SD3.0/eMMC5.1 interface

8-bit Nand flash intertace with maximum 80-bit/1KB ECC

 

Video decoder

H.265 MP decoder up to 4K@60fps

H.264 BL/MP/HP decoder up to 4K@30fps

VP9 decoder up to 4K@60fps

Multi-format 1080p@60fps video playback, including VP8, MPEG1/2 SP/MP, MPEG4 SP/ASP, AVS+/AVS JIZHUN

 

Video encoder

H.264 encoder up to 4K@25fps

MJPEG encoder up to 4K@15fps

JPEG encoder up to 8K x 8K resolution

 

Video input

4+4-lane, 2+2+2+2-lane, or 4+2+2 MIPI CSI, up to 2.0 Gbit/s per lane in HS transmission, compliant with MIPI-CSI2 V1.1 and MIPI DPHY V1.1

Maximum video capture resolution of 8M@30fps

Support YUV422, YUV420, RAW-8, RAW-10, RAW-12

 

Video output

4+4-lane MIPI-DSI output interface up to 2.5K@60fps and 4K@45fps

Two dual-link LVDS interfaces, up to 1080p@60fps

Two RGB interface with DE/SYNC mode, up to 1080p@60fps

eDP 1.3 up to 2.5K@60fps and 4K@30fps

HDMI 2.0b up to 4K@60fps

 

Audio

2 DACs and 3 ADCs

3 x audio outputs: LINEOUTLP/N, LINEOUTRP/N, HPOUTL/R

3 x audio inputs: MICIN1P/N, MICIN2P/N, MICIN3P/N

Embedded 4 I2S/PCM interfaces, supporting maximum 16 channels, 8 kHz-384kHz sample rate, and 8-bit-32-bit width

Maximum 8 digital PDM microphones (DMIC)

One OWA input and one OWA output

 

Security engine

Support Full Disk Encryption

AES, DES, 3DES, and SM4 encryption and decryption algorithms

MD5, SHA, and HMAC tamper proofing

RSA, ECC signature and verification algorithms

Support 160-bit hardware pseudo random number generator (PRNG) with 175-bit seed

Support 256-bit hardware true random number generator (TRNG)

Integrated 4K-bit EFUSE for chip ID and security application

 

Connectivity

1 x USB2.0 Host, 1 x USB2.0 DRD, 1 x USB3.1 DRD & PCIe2.1 Combo

1 x GMAC (10/100/1000 Mbit/s port with RGMII and RMII interfaces)

2 x CIR RX, 1 x CIR TX, 9 x TWI, 4 x SPI, 10 x UART

30-ch PWM, 24-ch GPADC, 2-ch LRADC

SDIO 3.0, LEDC, SPIF (Octal I/O)

 

PMIC

Companion Allwinner Power Management IC

 

Package

FCCSP 664balls

17 mm x 17 mm size, 0.5 mm ball pitch, 0.3 mm ball size

 

Process

22nm HPC

 

Application diagram