MITO 8M Mini SOM/MITO 8M Mini Hardware/General Information/Processor and memory subsystem
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Contents
Processor and memory subsystem[edit | edit source]
The heart of MITO 8M Mini module is composed by the following components:
- i.MX8M Mini SoC application processor
- Power supply unit
- LPDDR4 memory bank
- eMMC or NAND flash banks
- Connectors:
- 1 x 204 pins SO-DIMM edge connector with interfaces signals
- partially compatible with AXEL Lite SOM
- 1 x 204 pins SO-DIMM edge connector with interfaces signals
This chapter shortly describes the main MITO 8M Mini components.
Processor Info[edit | edit source]
| Processor | i.MX8M Mini Solo | i.MX8M Mini Dual | i.MX8M Mini Quad |
| # Cores | 1x Arm® Cortex®-A53
1x Arm® Cortex®-M4 |
2x Arm® Cortex®-A53
1x Arm® Cortex®-M4 |
4x Arm® Cortex®-A53
1x Arm® Cortex®-M4 |
| Clock | 1.6 GHz (Industrial)
1.8 GHz (Commercial) | ||
| L2
Cache |
1 MB | ||
| LPDDR4 | 32 bit @ 1600 MHz
(LPDDR4-3200) | ||
| GPU | 3D: Vivante GC NanoUltra (1 Shader) 2D: Vivante GC320 OpenGL ES 2.0 | ||
| VPU | 1080p60 HEVC/H.264, VP8, VP9, H.265 decoder
1080p60 H.264, VP8 encoder | ||
| Display
Controller |
Dual Independent LVDS channel
Display Support up to 1080p60 | ||
| Video
Output |
1x MIPI-DSI (with MIPI to LVDS bridge) | ||
| Camera
Input |
1x MIPI CSI (4-lanes) | ||
| PCIe | 1x PCIe 2.1 (1-lane) | ||
| USB | 2x USB 2.0 OTG | ||
RAM memory bank[edit | edit source]
LPDD4 SDRAM memory bank is composed by 1x 32-bit width chip. The following table reports the SDRAM specifications:
| CPU connection | Multi-mode DDR controller (MMDC) |
| Size max | 4 GB |
| Width | 32 bit |
| Speed | 1600 MHz |
eMMC flash bank[edit | edit source]
On board main storage memory eMMC is connected to the SDIO1 interface and it can act as boot peripheral. The following table reports the eMMC flash specifications:
| CPU connection | SDIO1 |
| Size min | 4 GB |
| Size max | 64 GB |
| Bootable | Yes |
NAND flash bank[edit | edit source]
|
Not available yet |
Alternative option for main storage memory can be a 8-bit wide NAND flash connected to the CPU's Raw NAND flash controller. It can act as boot peripheral. The following table reports the NAND flash specifications:
| CPU connection | Raw NAND flash controller |
| Page size | 512 byte, 2 kbyte or 4 kbyte |
| Size min | 512MB |
| Size max | 2GB |
| Width | 8 bit |
| Chip select | NAND_CE0 |
| Bootable | Yes |
Memory map[edit | edit source]
For detailed information, please refer to chapter 2 “Memory Maps” of the i.MX8M Mini Applications Processor Reference Manual
Power supply unit[edit | edit source]
MITO 8M Mini embeds all the elements required for powering the unit, therefore power sequencing is self-contained and simplified. Nevertheless, power must be provided from carrier board, and therefore users should be aware of the ranges power supply can assume as well as all other parameters.
