MYIR MYD-LT527 Development Board Based on Allwinner T527 Processor
The MYD-LT527 Development Board is an advanced evaluation platform designed for the Allwinner T527 processor, which features an Octa-core ARM Cortex-A55 MPU operating at a maximum operating frequency of 1.8GHz. The board’s core component is the System-On-Module (SOM) MYC-LT527, which integrates the T527 CPU, 2GB/4GB LPDDR4, 16GB/32GB eMMC, 32Kbit EEPROM and a Power management IC (PMIC). Most I/O signals are routed to and from the CPU module via the 318-pin LGA expansion interface, providing a highly versatile baseboard.
Mechanical Parameters
- Dimensions: 90mm x 120mm (baseboard), 45mm x 43mm (SOM)
- PCB Layers: 6-layer design (base board), 12-layer design (SOM)
- Power supply: 12V/3A (baseboard), 5V/3A (SOM)
- Working temperature: -40~85 Celsius (industrial grade) or -20~70 Celsius (extended temperature)
(WiFi/BT Module: -30~85 Celsius)
The MYD-LT527 Controller Board (MYC-LT527)
Processor
- Allwinner T527 processor
–Â Octa-core ARM Cortex-A55, up to 1.8GHz
–Â RISC-V CPU, up to 200 MHz
– 600MHz HIFI4 Audio DSP
–Â ARMÂ G57 MC1Â GPU
– Up to 2 Tops NPU
Memory
- 2GB/4GB LPDDR4
- 16GB/32GB eMMC
- 32Kbit EEPROM
Peripherals and Signals Routed to Pins
- Power Management IC
- 381-pin LGA Expansion Interfaces
–Â 2Â x RGMII/RMII
– 1 x PCIe2.1, RC mode (reused with USB3.1)
–Â 1Â x USB 2.0Â DRD
– 1Â x USB 2.0Â Host
– 1 x USB 3.1 DRD (reused with PCIe2.1)
–Â 2 x SDIOÂ 3.0
–Â 10Â x UART
– 2 x CAN
–Â 9Â x I2C
– 30Â x PWM
–Â 4Â x SPI
– 24 x GPADC, 12-bit
– 2 x LRADC, 6-bit
– 1 x Parallel CSI, 16-bit
– 1 x HDMI 2.0
– 1 x eDP
– 2 x LVDS with dual link- 2 x RGB
– 4+4-lane, 4+2+2-lane, or 2+2+2+2-lane MIPI-CSI
– 2 x MIPI-DSI
–Â 2 x DACs and 3 x ADCs
– 3 x audio outputs
– 3 x audio inputs
– 4 x I2S/PCM
– 1 x SPIF I/O
– 2 x CIR RX and 1 x CIR TX
– Up to 138Â x GPIO
Note: the peripheral signals brought out to the expansion interface are listed in the maximum number. Some signals are reused. Please refer to the processor datasheet and SOM pin-out description file.
The MYD-LT527 Development Board Base Board
- 1 x Power Jack
- Serial ports
– 2 x TTL serial ports (UART3/7 brought out from RPI expansion interface)
–Â 2 x TTL serial ports (UART2/4/5/6 brought out from MIÂ Fans PIÂ expansion interface) - USB
– 1 x USB3.0 Host
– 2Â x USBÂ 2.0 OTG - 2Â x 10/100/1000 Mbps Ethernet interface
- 2 x CAN
- 1 x Micro SD card slot
- WiFi/Bluetooth Module (complies with IEEE 802.11 a/b/g/n/ac standard and supports Bluetooth V5.2)
- Video Input: 2Â x MIPI-CSI Interfaces (0.5mm pitch 24-pin FPC connector)
Supports MYIR’s MY-CAM003M Camera Module - Video Output
– 1 x HDMI Output Interface
– 1 x Single-channel LVDS Display interface
Supports MYIR’s MY-LVDS070C LCD Module with a Capacitive Touch Screen through the LCD interface
– 1 x Mini-DPÂ Display interface
– 1 x Mini-DSI interface - Audio:Â 1 x 3.5mm Headphone/Mic Jack
- 1 x 2.54mm 2 x 20-pin male expansion header (RPI interface)
(RPI interface, GPIO/I2C/UART/SPI/CAN, compatible with Raspberry PI standard 40-pin extension interface)
Supports MYIR’s MY-WIREDCOM RPI Module to extend RS485, RS232, and CAN functions - 1 x 2.54mm 2*20-pin male expansion header
(MI Fans PI interface, GPIO/I2C/UART/SPI/USB/PWM) - 4 x Buttons (one for Reset, one for Wake up, one for FLASH and one for USER)
- 1 x RTC Battery Interface
OS Support
- Linux 5.15
- Android 13
- Ubuntu 22.04
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