Status Polling - Renesas F-ZTAT H8 Series Hardware Manual

6. ROM
ADDRESS
CE
OE
WE
t
ces
t
DATA
Note: FO2 and FO3 are undefined.
Table 6.18 Status Read Mode Return Codes
Pin Name FO7
Attribute Normal end
identification
Initial value 0
Indications Normal end: 0
Abnormal
end: 1
Note: FO and FO are undefined.
2 3
6.8.8

Status Polling

1. The FO status polling flag indicates the operating status in auto-program or auto-erase mode.
7
2. The FO status polling flag indicates a normal or abnormal end in auto-program or auto-erase
6
mode.
Table 6.19 Status Polling Output Truth Table
Internal Operation
Pin Names in Progress
FO7 0
FO6 0
FO0 to FO5 0
Rev.3.00 Jul. 19, 2007 page 162 of 532
REJ09B0397-0300
t
nxtc
t t
wep wep
t t
ceh ces
t t
f r f
t
ds
t
dh
H'71
Figure 6.23 Status Read Mode Timing Waveforms
FO6 FO5
Command Programming
error error
0 0
Command Programming
error: 1 error: 1
Otherwise: 0 Otherwise: 0
t
nxtc
t
ceh
t
r
t
ds
t
dh
H'71
FO4 FO3
⎯
Erase error
0 0
⎯
Erase error: 1
Otherwise: 0
Abnormal End
1
0
0
t
nxtc
t
ce
t t
oe df
DATA
FO2 FO1
⎯
Programming
or erase count
exceeded
0 0
⎯
Count
exceeded: 1
Otherwise: 0
Normal Status
Indication Normal End
0 1
1 1
0 0
FO0
Valid address
error
0
Valid address
error: 1
Otherwise: 0