HD64F38024HV Datasheet, PDF (209/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

Section 6 ROM
A15−A0
CE
OE
WE
I/O7
I/O6
I/O5−I/O0
tces
tceh tnxtc
tnxtc
twep
tf
tr
tests
tspa
tds
tdh
H'20
terase
Erase end
decision signal
H'20
Erase normal
end
decision signal
H'00
Figure 6.18 Auto-Erase Mode Timing Waveforms
6.10.6 Status Read Mode
1. Status read mode is provided to identify 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.
3. Table 6.19 shows the AC characteristics and 6.20 shows the return codes.
Rev. 8.00 Mar. 09, 2010 Page 187 of 658
REJ09B0042-0800