本文汇总所有和树莓派4代CPU相关材料。树莓派4使用的CPU是博通公司的BCM2711,该芯片的datasheet无论是在博通官网、树莓派官网、google上都搜索不到,可能是还未公开
Reference
树莓派官网发布的初步datasheet
CPU Features
- processor: Broadcom BCM2711, Cortex-A72 (ARM v8), quad-core, 64-bit SoC @ 1.5GHz
- Memory: 1GB, 2GB or 4GB LPDDR4
- Wi-Fi: 2.4G/5G, IEEE 802.11b/g/n/ac WLAN
- Ethernet: GE
- Bluetooth: 5.0 with BLE
- USB: 2×USB3.0, 2×USB2.0
- GPIO: 40-pin, support multiplex(UART、I2C、SPI、SDIO、DPI、PCM、PWM、GPCLK)
- Video & sound:
- 2×micro HDMI ports(up to 4Kp60 supported)
- 2-lane MIPI DSI display port
- 2-lane MIPI CSI camera port
- 4-pole stereo audio and composite video port
- Multimedia: H.265(4Kp60 decode), H.264(1080p60 decode, 1080p30 encode), OpenGL ES, 3.0 graphics
- SD Card: 1×
- Input power:
- 5V DC via USB-C connector(min 3A)
- 5V DC via GPIO header (min 3A)
- PoE IEEE 802.3af