Difference between revisions of "MITO 8M Mini SOM/MITO 8M Mini Hardware/General Information/Processor and memory subsystem"

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(Memory map)
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{| class="wikitable" |  
 
{| class="wikitable" |  
 
| align="center" style="background:#f0f0f0;" |'''Processor'''
 
| align="center" style="background:#f0f0f0;" |'''Processor'''
| align="center" style="background:#f0f0f0;" |'''i.MX8M Nano Dual'''
+
| align="center" style="background:#f0f0f0;" |'''i.MX8M Mini Dual'''
| align="center" style="background:#f0f0f0;" |'''i.MX8M Nano Quad'''
+
| align="center" style="background:#f0f0f0;" |'''i.MX8M Mini Quad'''
 
|-
 
|-
 
|# Cores
 
|# Cores
 
|2x Arm® Cortex®-A53  
 
|2x Arm® Cortex®-A53  
1x Arm® Cortex®-M7
+
1x Arm® Cortex®-M4
 
|4x Arm® Cortex®-A53  
 
|4x Arm® Cortex®-A53  
1x Arm® Cortex®-M7
+
1x Arm® Cortex®-M4
 
|-
 
|-
|Clock|| colspan="2" |1.4 GHz<br>1.5 GHz
+
|Clock|| colspan="2" |1.3 GHz  
 +
1.6 GHz
 
|-
 
|-
 
|L2  
 
|L2  
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|-
 
|-
 
|GPU
 
|GPU
| colspan="2" |Vivante GC 7000UL (2 Shader)
+
| colspan="2" |3D: Vivante GC NanoUltra (1 Shader)<br>2D: Vivante GC320
OpenGL ES 3.1<br>Vulkan<br>Open VG 1.1<br>Open CL 1.2
+
OpenGL ES 2.0<br>Open CL 1.2
 +
|-
 +
|VPU
 +
| colspan="2" |1080p60 HEVC/H.264, VP8, VP9, H.265 decoder
 +
 
 +
1080p60 H.264, VP8 encoder
 
|-
 
|-
 
|Display  
 
|Display  
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Input
 
Input
 
| colspan="2" |1x MIPI CSI (4-lanes)
 
| colspan="2" |1x MIPI CSI (4-lanes)
 +
|-
 +
|PCIe
 +
| colspan="2" |1x PCIe 2.1 (1-lane)
 
|-
 
|-
 
|USB
 
|USB
 
| colspan="2" |2x USB 2.0 OTG
 
| colspan="2" |2x USB 2.0 OTG
 
|-
 
|-
|+ align="bottom" style="caption-side: bottom" | Table: i.MX8M Nano models comparison
+
|+ align="bottom" style="caption-side: bottom" | Table: i.MX8M Mini models comparison
 
|}
 
|}
  

Revision as of 14:13, 23 February 2021

History
Version Issue Date Notes
1.0.0 Jan 2021 First release


Processor and memory subsystem[edit | edit source]

The heart of MITO 8M Mini/Nano 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

This chapter shortly describes the main MITO 8M Mini/Nano components.

Processor Info[edit | edit source]

Processor i.MX8M Mini Dual i.MX8M Mini Quad
# Cores 2x Arm® Cortex®-A53

1x Arm® Cortex®-M4

4x Arm® Cortex®-A53

1x Arm® Cortex®-M4

Clock 1.3 GHz

1.6 GHz

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
Open CL 1.2

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
Table: i.MX8M Mini models comparison

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]

TBD.png Section not completed 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 TBD
Size min TBD
Size max TBD
Width 8 bit
Chip select TBD
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.