MD2241-D128-V3 M-Systems Inc., MD2241-D128-V3 Datasheet - Page 3

• Manufacturer Part Number: MD2241-D128-V3
• Description: Diskonchip Dimm Plus
• Manufacturer: M-Systems Inc.

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Introduction ..........................................................................................................................6
Product Overview ................................................................................................................7
2.1 Product Description.......................................................................................................................7
2.2 Pinout ............................................................................................................................................8
2.3 System Interface .........................................................................................................................10
2.4 Signal Descriptions .....................................................................................................................11
Theory of Operation...........................................................................................................12
3.1 Overview .....................................................................................................................................12
3.2 System Interface .........................................................................................................................13
3.3 Configuration Interface................................................................................................................13
3.4 Protection and Security-Enabling Features ................................................................................13
3.5 Programmable Boot Block with XIP Capability ...........................................................................14
3.6 Download Engine (DE) ...............................................................................................................14
3.7 Error Detection Code/Error Correction Code (EDC/ECC) ..........................................................14
3.8 Data Pipeline...............................................................................................................................15
3.9 Control and Status ......................................................................................................................15
3.10 Flash Architecture .......................................................................................................................15
Hardware Protection..........................................................................................................17
4.1 Method of Operation ...................................................................................................................17
4.2 Low Level Structure of Protected Area .......................................................................................18
Modes of Operation ...........................................................................................................19
5.1 Normal Mode...............................................................................................................................19
5.2 Reset Mode.................................................................................................................................20
5.3 Deep Power-Down Mode............................................................................................................20
TrueFFS Technology .........................................................................................................21
6.1 General Description ....................................................................................................................21
3.4.1 Read/Write Protection .............................................................................................................13
3.4.2 Unique Identification (UID) Number ........................................................................................14
3.4.3 One-Time Programmable (OTP) Area ....................................................................................14
3.10.1 Two Banks of 16MB NAND Flash ...........................................................................................15
3.10.2 Internal Architecture ................................................................................................................15
6.1.1 Built-in Operating System Support ..........................................................................................21
6.1.2 TrueFFS Software Development Kit (SDK).............................................................................22
6.1.3 File Management.....................................................................................................................22
6.1.4 Bad Block Management ..........................................................................................................22
6.1.5 Wear-Leveling .........................................................................................................................22
6.1.6 Power Failure Management ....................................................................................................23
6.1.7 Error Detection/Correction.......................................................................................................23
6.1.8 Special Features through I/O Control (IOCTL) Mechanism ....................................................23
6.1.9 Compatibility ............................................................................................................................23
Preliminary Data Sheet, Rev. 1.2
Table of Contents
DiskOnChip DIMM Plus
94-SR-002-08-8L