EMMC08G-MV28-01J10: Technical Guide to 8GB eMMC Embedded Storage

Introduction

The EMMC08G-MV28-01J10 is an 8GB embedded MultiMediaCard (eMMC) storage solution featuring eMMC 5.1 interface with HS400 mode (400 MB/s), designed for IoT devices, industrial equipment, automotive infotainment, and embedded systems requiring reliable, compact, non-volatile storage with integrated controller and wear leveling.

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Technical Overview

Core Specifications

Parameter	Specification
Capacity	8GB (7.45 GiB usable)
Interface	eMMC 5.1
Max Speed	HS400 (400 MB/s)
Voltage	3.3V I/O, 1.8V/3.3V VCC
Package	153-ball FBGA (11.5×13mm)
Operating Temp	-25°C to +85°C (standard)
NAND Type	MLC or TLC NAND

Part Number Decoder

EMMC08G-MV28-01J10:

• EMMC = eMMC product line
• 08G = 8GB capacity
• MV28 = Speed grade/generation (eMMC 5.1)
• 01J10 = Package/temperature/vendor code

Key Features

Integrated Controller:

• Built-in NAND controller
• Wear leveling algorithms
• Bad block management
• Error correction (ECC)
• No external controller needed

High Performance:

• HS400 mode: up to 400 MB/s sequential read
• HS200 mode: up to 200 MB/s (fallback)
• DDR52: up to 104 MB/s (legacy support)
• Random IOPS: 3,000-5,000 (typical)

Reliability Features:

• Power-fail protection
• Refresh management
• Data retention: 10 years @ 25°C
• Endurance: 3,000-5,000 P/E cycles (MLC)

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Complete Specifications

Capacity & Organization

Parameter	Value
Total Capacity	8GB (64 Gbit)
User Data Area	7.45 GiB (actual)
Boot Partition	2× 4MB (configurable)
RPMB	4MB (Replay Protected Memory Block)
Block Size	512 bytes

Performance (HS400 Mode)

Operation	Sequential	Random
Read	250-300 MB/s	3,000-4,000 IOPS
Write	100-150 MB/s	1,000-2,000 IOPS
Max (HS400)	400 MB/s	-

Interface Modes

Mode	Data Rate	Bus Width	Voltage
HS400	400 MB/s	8-bit	1.8V
HS200	200 MB/s	8-bit	1.8V/3.3V
DDR52	104 MB/s	8-bit	3.3V
High Speed	52 MB/s	8-bit	3.3V

Electrical Specifications

Parameter	Min	Typ	Max	Unit
VCC (Supply)	2.7	3.3	3.6	V
VCCQ (I/O)	1.7	1.8/3.3	3.6	V
Active Current	-	100	200	mA
Standby Current	-	1	5	mA

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Applications

IoT Devices

Smart Home:

• Smart speakers (voice assistant storage)
• Security cameras (firmware + buffer)
• Smart thermostats
• Connected appliances

Capacity Usage:

• OS/firmware: 200-500 MB
• Application storage: 1-2 GB
• User data/logs: 2-4 GB
• Remaining: OTA updates, buffer

Industrial Equipment

Automation:

• PLCs (Programmable Logic Controllers)
• HMI (Human-Machine Interface) panels
• Industrial IoT gateways
• Data loggers

Benefits:

• -25 to +85°C operation
• Vibration/shock resistant (soldered)
• Reliable flash management
• Power-fail protection

Automotive Infotainment

In-Vehicle Systems:

• Entry-level infotainment units
• Instrument cluster displays
• Backup camera systems
• Telematics modules

Note: Standard -25 to +85°C; automotive-grade (-40 to +105°C) variants available.

Single-Board Computers

Embedded Linux:

• Industrial SBCs
• Edge computing modules
• Custom embedded systems
• Development platforms

OS Support:

• Linux (Yocto, Buildroot, Debian)
• Android AOSP
• Real-time OS (FreeRTOS, Zephyr)

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Implementation Guide

Hardware Interface

eMMC Pin Configuration (153-ball FBGA):

Key Signals:
- CLK: Clock input (up to 200 MHz HS400)
- CMD: Command/response
- DAT[7:0]: 8-bit data bus
- VCC: 3.3V power supply
- VCCQ: 1.8V/3.3V I/O voltage
- VSS: Ground
- DS: Data Strobe (HS400 mode)

Boot Configuration

Dual Boot Partitions:

Boot Flow:
ROM Bootloader → eMMC Boot Partition 1/2 → OS Image

Boot partition select via EXT_CSD register
Typical: 4MB × 2 partitions
Use case: A/B firmware updates

Performance Optimization

HS400 Mode Enable:

Requirements:
1. Host controller supports HS400
2. 1.8V VCCQ signaling
3. 8-bit data bus
4. Data strobe (DS) signal

Throughput: 2× HS200 (200 MB/s → 400 MB/s)
Latency: Lower than HS200 due to strobe

File System Recommendations

For 8GB eMMC:

• ext4: Linux default, good wear leveling
• F2FS: Flash-friendly, better performance
• FAT32: Simple, compatible, less efficient
• UBIFS: Industrial, enhanced reliability

Partition Strategy:

Boot: 4 MB (eMMC boot partition)
Rootfs: 2-3 GB (read-mostly)
Data: 3-4 GB (read-write)
Reserve: 500 MB (wear leveling overhead)

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Comparison

vs SD Card

Feature	EMMC08G-MV28-01J10	8GB SD Card
Form Factor	Soldered BGA	Removable
Reliability	Higher	Lower (contact wear)
Performance	400 MB/s (HS400)	90 MB/s (UHS-I)
Controller	Integrated	Integrated
Cost	Moderate	Lower
Best For	Embedded, permanent	Removable storage

vs SPI NAND Flash

Feature	eMMC (EMMC08G-MV28-01J10)	SPI NAND
Interface	8-bit parallel	4-wire SPI
Performance	400 MB/s	40-80 MB/s
Controller	Built-in	External needed
Complexity	Lower (managed)	Higher (raw NAND)
Cost	Higher	Lower
Use Case	High performance	Cost-sensitive

Conclusion

The EMMC08G-MV28-01J10 delivers reliable 8GB embedded storage with eMMC 5.1 HS400 interface (400 MB/s), integrated NAND controller, and 153-ball FBGA package suitable for IoT devices, industrial equipment, automotive systems, and embedded Linux platforms requiring permanent, high-performance, managed NAND flash with minimal external components.

Key Advantages:

✅ 8GB Capacity: Sufficient for embedded Linux + applications
✅ HS400 Interface: Up to 400 MB/s performance
✅ Integrated Controller: No external NAND management needed
✅ Wear Leveling: Extended lifetime with automatic optimization
✅ Dual Boot Partitions: A/B firmware update support
✅ Industrial Temp: -25 to +85°C operation
✅ Compact BGA: 11.5×13mm soldered footprint

Designing embedded systems? Visit AiChipLink.com for eMMC sourcing and embedded storage architecture consultation.

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Written by Jack Elliott from AIChipLink.

 

AIChipLink, one of the fastest-growing global independent electronic   components distributors in the world, offers millions of products from thousands of manufacturers, and many of our in-stock parts is available to ship same day.

 

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