Eon Silicon Solution Inc. Application Note Eon Flash EN29LV400A vs NUMONYX Flash M29W400DT This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 1 ©2005 Eon Silicon Solution Inc. www.eonssi.com Rev. A, Issue Date: 2010/02/26 Eon Silicon Solution Inc. 1. INTRODUCTION The application note introduces how to implement a system design from NUMONYX M29W400DT Flash to Eon EN29LV400A Flash. 2. GENERAL FUNCTION COMPARISON TABLE: The following table is major features of these two devices. Features voltage range Pin to Pin Access time Sector Architecture Byte#/Word mode VID voltage Ready/Busy# (RY/BY#) RESET# Autoselect Command CFI Compliant Erase Suspend/Resume Minimum endurance cycle Package EN29LV400A M29W400DT 2.7 ~ 3.6 2.7 ~ 3.6 48-pin TSOP (Type 1) 48-ball 6mm x 8mm TFBGA 70ns / 90ns 48-pin TSOP (Type 1) 48-ball 6mm x 8mm TFBGA 45ns / 55ns / 70ns One 16K Byte/ 8K Word + Two 8K Byte/ 4K Word + One 32K Byte/ 16K Word + Seven 64K Byte/32K Word boot sectors at Top or Bottom 1 x 16K Byte block 2 x 8K Byte block 1 x 32K Byte block 7 x 64K Byte block Yes 10.5V ~ 11.5V Yes 11.5V ~ 12.5V Yes Yes Yes Yes Yes No No No Yes Yes 100K 100K 48-pin TSOP (Type 1) 48-ball 6mm x 8mm TFBGA 48-ball 4mm x 6mm WFBGA 44-pin SO44 48-pin TSOP (Type 1) 48-ball 6mm x 8mm TFBGA This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 2 ©2005 Eon Silicon Solution Inc. www.eonssi.com Rev. A, Issue Date: 2010/02/26 Eon Silicon Solution Inc. 3. HARDWARE CONSIDERATIONS 3.1 ICC comparison EN29LV400A Current M29W400DT Unit Typ Max Typ Max Read ICC1 7 12 - 10 mA Write ICC3 15 30 - 20 mA Standby ICC2 1 5.0 - 100 A 4. SOFTWARE CONSIDERATIONS 4.1 Manufacturer and Device Identification comparison For EN29LV400A autoselect mode table Description Mode Manufacturer ID: Eon Device ID Word (top boot Byte block) Device ID Word (bottom boot block) Byte Sector Protection Verification CE# OE# WE# A17 to A12 A11 to A10 A9 A8 X X VID X X X X L L H L L H L L H L L H L L H A7 A6 A5 to A2 A1 A0 DQ8 to DQ15 DQ7 to DQ0 H 1 X L X L L X 1Ch VID X X L X L H 22h B9h X B9h VID X X L X L H 22h BAh X BAh 2 X L L H SA X VID X X L X H L X 01h (Protected) 00h (Unprotecte d) Note: 1. If a manufacturing ID is read with A8=L, the chip will output a configuration code 7Fh. A further Manufacturing ID must be read with A8=H. 2. A9 = VID is for HV A9 Autoselect mode only. A9 must be Vcc (CMOS logic level) for Command Autoselect Mode. This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 3 ©2005 Eon Silicon Solution Inc. www.eonssi.com Rev. A, Issue Date: 2010/02/26 Eon Silicon Solution Inc. For M29W400DT Manufacturer ID and Device ID - Manufacturer ID : 0020H. - Device ID: 00EEh @ top boot, 00EFh @ bottom boot. 4.2. Unlock bypass command (except of this command, the other commands are the same (Autoselect / Chip erase / sector erase / Read / Program / Erase suspend / resume) EN29LV400A: No defined. M29W400DT: Support. This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 4 ©2005 Eon Silicon Solution Inc. www.eonssi.com Rev. A, Issue Date: 2010/02/26 Eon Silicon Solution Inc. Revisions List Revision No Description Date A 2010/02/26 Initial Release This Application Note may be revised by subsequent versions or modifications due to changes in technical specifications. 5 ©2005 Eon Silicon Solution Inc. www.eonssi.com Rev. A, Issue Date: 2010/02/26