SH7050 Datasheet, PDF (599/841 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH RISC engine Family/

Section 18 ROM (128 kB Version)
FWE
A16–A0
CE
tens tces
tceh tnxtc
tenh
tnxtc
OE
WE
I/O7
I/O6
I/O5–I/O0
twep
tf
tr
tests
tspa
tds
tdh
H'20
terase
Erase complete
verify signal
H'20
Erase normal
complete
verify signal
H'00
Figure 18.19 Auto-Erase Mode Timing Waveforms
18.11.6 Status Read Mode
1. Status read mode is provided to specify the kind of abnormal end. Use this mode when an
abnormal end occurs in auto-program mode or auto-erase mode.
2. The return code is retained until a command write other than a status read mode command
write is executed.
Rev. 5.00 Jan 06, 2006 page 579 of 818
REJ09B0273-0500