电子说
树莓派5(Raspberry Pi 5)于2023 年10 月底已经推出。
截止发稿日(2024-1-25)
凌顺实验室(lingshunlab.com)观察到树莓派5的单板的中国售价大概是:
4G:432 RMB
8G:583 RMB
Raspberry pi 5 Approximate selling price:
4G:60 USD
8G:80 USD
现在来了解这全新一代的树莓派5, 作为第一款使用Raspberry Pi自行研发的南桥芯片(Southbridge)RP1开发板,树莓派5带来了许多前所未有的性能突破和新功能。
Raspberry Pi 5 (树莓派5) 特色
更强处理器:树莓派5的CPU升级为64位四核心Arm Cortex-A76处理器,主频2.4GHz,相比树莓派4有2-3倍的性能提升。
更快GPU:图形性能方面,使用了800MHz的VideoCore VII GPU,比树莓派4的GPU( VideoCore VI @ 500 MHz)有了显著提升。
更快的SDRAM:树莓派5支持LPDDR4x @ 4167 MHz SDRAM,内存频率更快。
更高的电源需求:树莓派5支持5V/5A DC电源输入,并兼容PD协议。
新增的IO 扩展:树莓派5增加了PCI Express 2.0接口,支持高带宽的外设,此外,MIPI接口带宽提升至1.5Gbps。
新增的开关机按钮:可配置按下开机和关机功能。
新增的风扇接口:额外的专用风扇接口,支持PWM控制和tacho反馈。
新增的实时时钟RTC接口:使用独立的电源记录时间,使每次开机时间保持与现实时间一致。
PoE接口:支持PoE 802.2at ,最高可达25.5watts。
专用UART接口:可直接从串口进入树莓派系统。
USB接口:树莓派5也有2个USB3.0接口和2个USB2.0接口,但带宽提升至5Gbps。
双路HDMI显示输出:树莓派5提供双4Kp60显示输出。
双路MIPI接口:可用于连接2路摄像头或2路显示屏,又或者混合连接。
WIFI/蓝牙:树莓派5支持无线WIFI(2.4GHz and 5.0GHz 802.11ac wireless)和支持蓝牙5.0/蓝牙低功耗(BLE)。
Raspberry Pi 5 (树莓派5)功能大全图
树莓派5 vs 树莓派4
Raspberry Pi 5 | Raspberry Pi 4 | |
---|---|---|
CPU | Broadcom BCM2712, quad-core Cortex-A76 (ARM v8), 64-bit SoC @ 2.4GHz (16nm) | Broadcom BCM2711 quad-core Cortex-A72 (ARM v8) @ 1.8GHz (28nm) |
GPU | VideoCore VII @ 800 MHz | VideoCore VI @ 500 MHz |
RAM | 1GB, 2GB, 4GB, 8GB LPDDR4x @ 4167 MHz | 1GB, 2GB, 4GB, 8GB LPDDR4 @ 2133 MHz |
Connectivity | 2.4GHz and 5.0GHz 802.11ac wireless | 2.4GHz and 5.0GHz 802.11ac wireless |
Bluetooth | Bluetooth 5.0, BLE | Bluetooth 5.0, BLE |
Ethernet | Gigabit Ethernet (w/ PTP support) | Gigabit Ethernet |
PCIe | 1 x PCIe 2.0 interface | N/A |
USB | 2 x USB 3.0 supporting simultaneous 5Gbps operation, 2 x USB 2.0 ports | 2 x USB 3.0 (shared), 2 x USB 2.0 (shared) |
GPIO | Standard 40-pin GPIO header via RP1 Southbridge | Standard 40-pin GPIO header via BCM2711 |
HDMI | 2 x micro HDMI ports (up to 4Kp60) | 2 x micro HDMI ports (up to 4Kp60) |
MIPI | 2 x 4-lane MIPI (DSI/CSI) | 2-lane MIPI DSI, 2-lane MIPI CSI |
Audio | N/A | 4-pole stereo audio and composite video |
OS and data storage | microSD card slot with support for high-speed SDR104 mode | microSD card slot |
Input power | 5V/5A DC (PD-enabled) | 5V/3A DC (via USB-C connector or GPIO) |
PoE | Via separate new PoE HAT, Fully PoE 802.3at compliant | Via separate PoE HAT |
Real Time Clock(RTC) | RTC and RTC battery connector | N/A |
Power switch | Configurable push-to-turn-on and push-to-turn-off functions. | N/A |
PWM Fan | Additional dedicated fan interface supporting PWM control and tacho feedback. | N/A |
UART debug Port | The Raspberry Pi system can be accessed directly from the serial port. | N/A |
Raspberry Pi 5 (树莓派5) 引脚大全
树莓派5 引脚布局图
在此图中,我们涵盖以下标头:
J8 GPIO 接头:这是默认的 40 针 GPIO 接头。
J14 PoE:以太网供电 (PoE) 连接。
J2 电源开关:虽然没有得到官方证实,但可能与实时时钟(RTC)电池有关。
J7 复合视频:复合视频输出(不再位于音频插孔上)。
J17 风扇接头:此接头允许进行 PWM 控制并提供风扇速度反馈。
RP1 GPIO Bank (IO_BANK0) 所有外设
5个UART接口
6个SPI接口
4个I2C接口
2个I2S接口(包括Clock Producer和Clock Consumer实例)
注册IO(RIO)接口
24位DPI输出
4路PWM输出
立体声 PWM 音频输出 (AUDIO_OUT)
通用时钟输入和输出(GPCLK)
具有 4 位接口的 eMMC/SDIO 总线
从引脚电平或边沿转换产生中断
详细的GPIO 功能
功能块及其在 GPIO 引脚上的位置经过精心设计,可与 Raspberry Pi 4 B 型的 40 引脚接头上面向用户的功能相匹配。
Function | |||||||||
---|---|---|---|---|---|---|---|---|---|
GPIO | F1 | F2 | F3 | F4 | F5 | F6 | F7 | F8 | F9 |
0 | SPI0_SIO[3] | DPI_PCLK | UART1_TX | I2C0_SDA | SYS_RIO[0] | PROC_RIO[0] | PIO[0] | SPI2_CSn[0] | |
1 | SPI0_SIO[2] | DPI_DE | UART1_RX | I2C0_SCL | SYS_RIO[1] | PROC_RIO[1] | PIO[1] | SPI2_SIO[1] | |
2 | SPI0_CSn[3] | DPI_VSYNC | UART1_CTS | I2C1_SDA | UART0_IR_RX | SYS_RIO[2] | PROC_RIO[2] | PIO[2] | SPI2_SIO[0] |
3 | SPI0_CSn[2] | DPI_HSYNC | UART1_RTS | I2C1_SCL | UART0_IR_TX | SYS_RIO[3] | PROC_RIO[3] | PIO[3] | SPI2_SCLK |
4 | GPCLK[0] | DPI_D[0] | UART2_TX | I2C2_SDA | UART0_RI | SYS_RIO[4] | PROC_RIO[4] | PIO[4] | SPI3_CSn[0] |
5 | GPCLK[1] | DPI_D[1] | UART2_RX | I2C2_SCL | UART0_DTR | SYS_RIO[5] | PROC_RIO[5] | PIO[5] | SPI3_SIO[1] |
6 | GPCLK[2] | DPI_D[2] | UART2_CTS | I2C3_SDA | UART0_DCD | SYS_RIO[6] | PROC_RIO[6] | PIO[6] | SPI3_SIO[0] |
7 | SPI0_CSn[1] | DPI_D[3] | UART2_RTS | I2C3_SCL | UART0_DSR | SYS_RIO[7] | PROC_RIO[7] | PIO[7] | SPI3_SCLK |
8 | SPI0_CSn[0] | DPI_D[4] | UART3_TX | I2C0_SDA | SYS_RIO[8] | PROC_RIO[8] | PIO[8] | SPI4_CSn[0] | |
9 | SPI0_SIO[1] | DPI_D[5] | UART3_RX | I2C0_SCL | SYS_RIO[9] | PROC_RIO[9] | PIO[9] | SPI4_SIO[0] | |
10 | SPI0_SIO[0] | DPI_D[6] | UART3_CTS | I2C1_SDA | SYS_RIO[10] | PROC_RIO[10] | PIO[10] | SPI4_SIO[1] | |
11 | SPI0_SCLK | DPI_D[7] | UART3_RTS | I2C1_SCL | SYS_RIO[11] | PROC_RIO[11] | PIO[11] | SPI4_SCLK | |
12 | PWM0[0] | DPI_D[8] | UART4_TX | I2C2_SDA | AUDIO_OUT_L | SYS_RIO[12] | PROC_RIO[12] | PIO[12] | SPI5_CSn[0] |
13 | PWM0[1] | DPI_D[9] | UART4_RX | I2C2_SCL | AUDIO_OUT_R | SYS_RIO[13] | PROC_RIO[13] | PIO[13] | SPI5_SIO[1] |
14 | PWM0[2] | DPI_D[10] | UART4_CTS | I2C3_SDA | UART0_TX | SYS_RIO[14] | PROC_RIO[14] | PIO[14] | SPI5_SIO[0] |
15 | PWM0[3] | DPI_D[11] | UART4_RTS | I2C3_SCL | UART0_RX | SYS_RIO[15] | PROC_RIO[15] | PIO[15] | SPI5_SCLK |
16 | SPI1_CSn[2] | DPI_D[12] | MIPI0_DSI_TE | UART0_CTS | SYS_RIO[16] | PROC_RIO[16] | PIO[16] | ||
17 | SPI1_CSn[1] | DPI_D[13] | MIPI1_DSI_TE | UART0_RTS | SYS_RIO[17] | PROC_RIO[17] | PIO[17] | ||
18 | SPI1_CSn[0] | DPI_D[14] | I2S0_SCLK | PWM0[2] | I2S1_SCLK | SYS_RIO[18] | PROC_RIO[18] | PIO[18] | GPCLK[1] |
19 | SPI1_SIO[1] | DPI_D[15] | I2S0_WS | PWM0[3] | I2S1_WS | SYS_RIO[19] | PROC_RIO[19] | PIO[19] | |
20 | SPI1_SIO[0] | DPI_D[16] | I2S0_SDI[0] | GPCLK[0] | I2S1_SDI[0] | SYS_RIO[20] | PROC_RIO[20] | PIO[20] | |
21 | SPI1_SCLK | DPI_D[17] | I2S0_SDO[0] | GPCLK[1] | I2S1_SDO[0] | SYS_RIO[21] | PROC_RIO[21] | PIO[21] | |
22 | SDIO0_CLK | DPI_D[18] | I2S0_SDI[1] | I2C3_SDA | I2S1_SDI[1] | SYS_RIO[22] | PROC_RIO[22] | PIO[22] | |
23 | SDIO0_CMD | DPI_D[19] | I2S0_SDO[1] | I2C3_SCL | I2S1_SDO[1] | SYS_RIO[23] | PROC_RIO[23] | PIO[23] | |
24 | SDIO0_DAT[0] | DPI_D[20] | I2S0_SDI[2] | I2S1_SDI[2] | SYS_RIO[24] | PROC_RIO[24] | PIO[24] | SPI2_CSn[1] | |
25 | SDIO0_DAT[1] | DPI_D[21] | I2S0_SDO[2] | AUDIO_IN_CLK | I2S1_SDO[2] | SYS_RIO[25] | PROC_RIO[25] | PIO[25] | SPI3_CSn[1] |
26 | SDIO0_DAT[2] | DPI_D[22] | I2S0_SDI[3] | AUDIO_IN_DAT0 | I2S1_SDI[3] | SYS_RIO[26] | PROC_RIO[26] | PIO[26] | SPI5_CSn[1] |
27 | SDIO0_DAT[3] | DPI_D[23] | I2S0_SDO[3] | AUDIO_IN_DAT1 | I2S1_SDO[3] | SYS_RIO[27] | PROC_RIO[27] | PIO[27] | SPI1_CSn[1] |
以上资料节选自:RP1外设文档《rp1-peripherals.pdf》,在文章末尾有文档下载连接。
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