Datasheet

Section 22 ROM (Mask ROM Version, H8S/2148 F-ZTAT, H8S/2147N F-ZTAT, H8S/2144 F-ZTAT, and H8S/2142 F-ZTAT)
Rev. 4.00 Sep 27, 2006 page 681 of 1130
REJ09B0327-0400
CE
FA17 to FA0
FO7 to FO0
OE
WE
t
ces
t
nxtc
t
nxtc
t
df
Note: FO2 and FO3 are undefined.
t
ces
t
dh
t
wep
t
wep
Data
t
dh
t
oe
t
ce
t
nxtc
H'71
t
f
t
r
t
f
t
r
t
ceh
t
ds
t
ds
H'71
t
ceh
Figure 22.22 Status Read Mode Timing Waveforms
Table 22.19 Status Read Mode Return Commands
Pin Name FO7 FO6 FO5 FO4 FO3 FO2 FO1 FO0
Attribute Normal
end
identification
Command
error
Program-
ming error
Erase
error
——Program-
ming or
erase count
exceeded
Effective
address
error
Initial value 0 0 0 0 0 0 0 0
Indications Normal
end: 0
Abnormal
end: 1
Command
error: 1
Otherwise: 0
Program-
ming
error: 1
Otherwise: 0
Erase
error: 1
Otherwise: 0
——Count
exceeded: 1
Otherwise: 0
Effective
address
error: 1
Otherwise: 0
Note: FO2 and FO3 are undefined.
22.10.8 Status Polling
• The FO7 status polling flag indicates the operating status in auto-program or auto-erase mode.
• The FO6 status polling flag indicates a normal or abnormal end in auto-program or auto-erase
mode.