HN29V102414 Renesas Electronics Corporation., HN29V102414 Datasheet - Page 42

• Manufacturer Part Number: HN29V102414
• Description: 1g And Type Flash Memory More Than 32,113-sector 542,581,248-bit X 2
• Manufacturer: Renesas Electronics Corporation.

HN29V102414 Series
Unusable Sector
Initially, the HN29V102414 includes unusable sectors. The unusable sectors must be distinguished from the
usable sectors by the system as follows.
1. Check the partial invalid sectors in the devices on the system. The usable sectors were programmed the
following data. Refer to the flowchart “Indication of unusable sectors”.
Initial Data of Usable Sectors
Column address
Data
2. Do not erase and program to the partial invalid sectors by the system.
40
Sector number + 1
Sector number =
0H to 81FH
FFH
Notes: 1. Refer to table "Initial data of usable sectors".
Bad sector*
The Unusable Sector Indication Flow (1-chip)
2. Bad sectors are installed in system.
820H
1CH
2
No
No
821H
71H
Sector number = 32,767
Sector number = 0
822H
C7H
Check data*
Read data
Yes
Yes
START
END
823H
1CH
1
824H
71H
Column address = 820H to 825H
825H
C7H
826H to 83FH
FFH