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HD64F2149 Datasheet, PDF (731/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer
Table 22.20 Status Read Mode Return Commands
Pin Name FO7
FO6
FO5
FO4
FO3 FO2 FO1
FO0
Attribute Normal
Command Program- Erase
—
—
Program- Effective
end
error
ming error error
ming or
address error
identification
erase count
exceeded
Initial value 0
0
0
0
0
0
0
0
Indications Normal
Command Program- Erase
—
—
Count
Effective
end: 0
error: 1
ming
error: 1
exceeded: 1 address
Abnormal Otherwise: 0 error: 1
Otherwise: 0
Otherwise: 0 error: 1
end: 1
Otherwise: 0
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.
Table 22.21 Status Polling Output Truth Table
Pin Names
FO7
FO6
FO0 to FO5
Internal Operation
in Progress
0
0
0
Abnormal End —
1
0
0
1
0
0
Normal End
1
1
0
22.10.9 Programmer Mode Transition Time
Commands cannot be accepted during the oscillation stabilization period or the programmer mode
setup period. After the programmer mode setup time, a transition is made to memory read mode.
Table 22.22 Command Wait State Transition Time Specifications
Item
Symbol
Min
Standby release (oscillation stabilization time) tosc1
20
Programmer mode setup time
t bmv
10
VCC hold time
t dwn
0
Max
Unit
—
ms
—
ms
—
ms
697