HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 932

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 19 ROM
19.29.7 Status Read Mode
• Status read mode is used to identify what type of abnormal end has occurred. Use this mode
• The return code is retained until a command write for other than status read mode is
Rev.6.00 Sep. 27, 2007 Page 902 of 1268
REJ09B0220-0600
I/O
when an abnormal end occurs in auto-program mode or auto-erase mode.
performed.
A
5
18
to I/O
FWE
to A
I/O
I/O
WE
OE
CE
0
7
6
0
t
ens
Figure 19.83 Auto-Erase Mode Timing Waveforms
t
ces
t
f
t
ds
t
wep
H'20
t
t
ceh
r
t
dh
t
nxtc
H'20
Erase end identifi-
cation signal
Erase normal end
confirmation signal
t
ests
t
erase
t
spa
H'00
t
enh
t
nxtc