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#1 2021-04-07 00:04:24

saub
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注册时间: 2020-01-28
已发帖子: 64
积分: 59

发现一个比较牛B的芯片,RDA8810M,这个芯片不仅内置256MDDR2,还内置了512Mflash,用来跑linux+QT妥妥的

淘宝售价10元左右,性价比逆天了啊,有没有大佬感兴趣的?
这个芯片不仅内置256MDDR2,还内置了512Mflash,
用来跑linux+QT妥妥的。跑安卓也问题不大了
香橙派2G就是用的这个芯片,
功能如下,该有的基本都有了,

1.1 PLATFORM FEATURES

+ AP MCU subsystem

 - ARM Cortex-A5 32-bit RISC processor, with FPU and SIMD NEON engine, up to 1G Hz

 - 32kB L1 I-cache and 32kB L1 D-cache- 256kB unified L2 cache

 - In-house VOC DSP for voice and image process

 - 64-bit AXI fabric, up to 400MHz

 - 64kB on-chip ROM for system boot

 - 64kB on-chip SRAM for internal use

+ memory interface

 - Integrated 2Gb LPDDR2 SDRAM          //256M  LPDDR2  SDRAM

 - Integrated 4Gb 8Bit 2.8V 4K SLC Nand Flash        //512M nand flash,做产品成本可以压到极至了

 - Two SDIO interfaces, for TF cards and WIFI

 - support 4.4.1 EMMC interface

 - support SPI-NAND and SPI-NOR

+ Connectivity

 - Support 3 SIM cards and both 1.8V and 3.0V device

 - USB2.0 high-speed OTG

 - 3 UARTs for GPS, BT, FM, and debugging interfaces

 - 3 SPI for peripheral devices

 - 3 I2C for peripheral devices

 - 1 I2S for peripheral devices

 - 4 10-bit GPADC for sampling peripheral signals

 - 64 GPIOs, includes 16 interruptable GPIOs

 - Pulse Width Modulation (PWM) 1 PWL, 1 PWT and 1 LPG

 - 2 memory card controller

 - 8x8 Keypad scanner with multiple key detection, support ADC serial interface Keypad

1.2 MODEM FEATURES

+ System CPU(XCUP)

 - RDA RISC Core 32x32 bits

 - 16/32 bit instruction set

 - 4KB I-cache and 4KB D-cache

+ Base Band CPU (BCPU)

 - RDA RISC Core32x32 bits

 - 16/32 bit instruction set

 - 1KB I-cache and 1KB D-cache

 - GSM/GPRS Dedicated accelerators

 - RF Interface (RF IF)

 - DigRF interface for communication with the integrated transceiver

 - EGPRS class 12

+ RF Transceiver

 - Quad bands integrated transceiver

 - Integrated RF transceiver, Saw-Less, only needs external PA.

 - Digital low-IF receiver

 - Direct modulation transmitter

 - Frequency synthesizer

 - Integrated VCO, loop filters, etc.

 - Digital AFC

 - DigRF interface between digital baseband and transceiver

 - RF FEM control

+ Voice and Modem codec

 - Supports HR, FR, EFR, AMR voice codec

 - Integrated microphone bias

 - DTMF and Comfort Tone generator

 - 4 samples In and Out Fifos

 - I2S / DAI Interface

 - Serial Input / Output at 8/16 ks/s

 - Can be used for test purpose in DAI mode

 - Audio Interface To ABB

 - 13 bit RX Data from audio ADC

 - 16 bit TX Data to stereo DAC

1.3 MULTI-MEDIA FEATURES

+ LCD display

 - Support LCD module interface with 8/16/24 bit parallel interface or SPI series interface

 - Support RGB565/666/888 interface

 - Typical image sizes: QCIF, QVGA, WQVGA, CIF,VGA,WVGA,FWVGA

 - Support DSI interface, up to 1GHz

 - Support image size up to qHD

 - 4-layers blending graphical engine capable of resizing and YUV2RGB conversion

 - Support 2chip select

+ Image signal processor

 - Support 8-bit parallel or 1/2/4-bit series interface

 - Support CSI-2 interface, up to 1GHz

 - Support up to 5Mpix sensor

+ Vide

 - Separate video processor

 - Decodes up to 1080p 30fps

 - Encodes up to 1080p 30fps for H.264 format

+ Graphics

 - Separate graphic processor, Vivante’s GC860

 - support OpenGLES1.1/2.0

 - support OpenVG1.4

 - support DirectFB

 - support GDI/DirecShow

 - 30Triangle/s, 250Pixel/s

+ Audio

 - 2 channels voice ADC, 8kHz, 13 bits/sample for headset and on-board microphone

 - Voice DAC, 8kHz, 13 bits/sample for receiver

 - High fidelity Stereo DAC, up to 48kHz, 16 bits per sample

 - Stereo Audio speaker driver

 - 1.5W differential output stereo amplifier for loudspeaker, Class K

 - Stereo analog audio line input

1.4 POWER MANAGEMENT FEATURES

+ Power Management

 - Power On reset control

 - Internal 32K OSC for standby/ shutoff/ sleep state

 - Integrated Li-ion battery charger (from USB or AC charger)

 - Integrated all internal voltages from VBAT

 - Provide all LDOs for external components

 - Integrated 4 DC-DC, 1 BOOST

 - Integrated LCD backlight controller

 - Integrated Touch screen controller

 - Integrated RGB, keypad backlight controller

最近编辑记录 saub (2021-04-07 00:10:54)

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#2 2021-04-07 04:16:14

david
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注册时间: 2018-03-05
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Re: 发现一个比较牛B的芯片,RDA8810M,这个芯片不仅内置256MDDR2,还内置了512Mflash,用来跑linux+QT妥妥的

这芯片停产了 尾货 没资料 没支持 才这么便宜

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#3 2021-04-07 07:16:12

saub
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注册时间: 2020-01-28
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Re: 发现一个比较牛B的芯片,RDA8810M,这个芯片不仅内置256MDDR2,还内置了512Mflash,用来跑linux+QT妥妥的

david 说:

这芯片停产了 尾货 没资料 没支持 才这么便宜

哦?,原来如此,那香橙派2G是哪里来的芯片呢?

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#4 2021-04-07 09:22:03

xk100
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注册时间: 2018-12-13
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积分: 34.5

Re: 发现一个比较牛B的芯片,RDA8810M,这个芯片不仅内置256MDDR2,还内置了512Mflash,用来跑linux+QT妥妥的

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#5 2021-04-07 09:37:21

阿黄
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注册时间: 2018-10-03
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Re: 发现一个比较牛B的芯片,RDA8810M,这个芯片不仅内置256MDDR2,还内置了512Mflash,用来跑linux+QT妥妥的

以前的手机芯片

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#6 2021-04-07 09:39:01

raspberryman
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注册时间: 2019-12-27
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Re: 发现一个比较牛B的芯片,RDA8810M,这个芯片不仅内置256MDDR2,还内置了512Mflash,用来跑linux+QT妥妥的

用香橙派开发板把项目开发到一半,同事说可能停产了,到处打听确实停产了,都停产了,推广个锤子啊

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#7 2021-04-07 09:50:11

saub
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注册时间: 2020-01-28
已发帖子: 64
积分: 59

Re: 发现一个比较牛B的芯片,RDA8810M,这个芯片不仅内置256MDDR2,还内置了512Mflash,用来跑linux+QT妥妥的

raspberryman 说:

用香橙派开发板把项目开发到一半,同事说可能停产了,到处打听确实停产了,都停产了,推广个锤子啊

ᥬ?᭄我也是无意看到这个芯片,没了解清楚,见谅哈!
但为什么香橙派还在卖这款呢?香橙派OrangePi 2G-IOT电脑开发板WIFI+蓝牙2G模块RDA芯片,他们哪里来的芯片?难道都是用的二手拆机芯片?那也太不负责任了吧

最近编辑记录 saub (2021-04-07 09:52:36)

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#8 2021-04-07 09:52:11

raspberryman
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Re: 发现一个比较牛B的芯片,RDA8810M,这个芯片不仅内置256MDDR2,还内置了512Mflash,用来跑linux+QT妥妥的

saub 说:
raspberryman 说:

用香橙派开发板把项目开发到一半,同事说可能停产了,到处打听确实停产了,都停产了,推广个锤子啊

ᥬ?᭄我也是无意看到这个芯片,没了解清楚,见谅哈

兄台我不是说你,是说那个卖开发板的。

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#9 2021-04-07 14:43:35

cloudxxcloud
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注册时间: 2021-02-20
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Re: 发现一个比较牛B的芯片,RDA8810M,这个芯片不仅内置256MDDR2,还内置了512Mflash,用来跑linux+QT妥妥的

这种芯片就和单片机一样了,都集成了

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#10 2021-04-07 14:49:08

Quotation
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注册时间: 2018-10-04
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Re: 发现一个比较牛B的芯片,RDA8810M,这个芯片不仅内置256MDDR2,还内置了512Mflash,用来跑linux+QT妥妥的

这太方便了,现在还有没有这样的SoC可用了?

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#11 2021-04-07 14:59:24

bingyinhaha
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注册时间: 2020-08-24
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Re: 发现一个比较牛B的芯片,RDA8810M,这个芯片不仅内置256MDDR2,还内置了512Mflash,用来跑linux+QT妥妥的

早就停产了,而且A5 性能太差。

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#12 2021-04-08 18:25:35

sy373466062
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注册时间: 2018-11-12
已发帖子: 115
积分: 111

Re: 发现一个比较牛B的芯片,RDA8810M,这个芯片不仅内置256MDDR2,还内置了512Mflash,用来跑linux+QT妥妥的

为啥都不多搞一些这么好的芯片。

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