HN29V1G91T-30 Datasheet, PDF (35/92 Pages) Renesas Technology Corp – 128M X 8-bit AG-AND Flash Memory

HN29V1G91T-30
Status Register check flow (single bank operation)
Start
70h Write
read status register
I/O7=1
NO
R/B=1 ^or
YES
NO
I/O1=0
72h Write
read errorstatus register
Fail
NO
I/O6=1
YES
Read ECC check
Not 1 bit error
Fail
ECC possible
1 bit error
YES
Program/erase completed
70h command status in single bank operation
status
Program/Erase
Cache Program
Output
I/O 8 Write protect
Write protect
Protect: 0 Not Protect: 1
I/O 7
I/O 6
Ready/Busy
Ready/Busy
Ready/Busy
True Ready/Busy*¹
Ready: 1 Busy: 0
Ready: 1 Busy: 0
I/O 5 Not Used
Not Used
0
I/O 4 Not Used
Not Used
0
I/O 3 Not Used
Not Used
0
I/O 2 Not Used
Pass/Fail (N-1)
0 / Pass: 0 Fail: 1 (cache program)
I/O 1 Pass/Fail
Pass/Fail (N)
Pass: 0 Fail: 1
Note: 1. True Ready/Busy shows Ready/Busy status of CPU
(R/B output status is same as I/O7).
Rev.4.00, Jun.20.2004, page 35 of 89