SH7052 Datasheet, PDF (760/919 Pages) Renesas Technology Corp – SuperHTM RISC engine

Table 20.21 Status Read Mode Return Commands
Pin Name I/O7
I/O6
I/O5
I/O4
I/O3 I/O2 I/O1
I/O0
Attribute Normal
Command Program- Erase
—
—
Program- Effective
end
error
ming error error
ming or
address error
decision
erase count
exceeded
Initial value 0
0
0
0
0
0
0
0
Indications Normal
Command Program- Erasing
—
—
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: I/O2 and I/O3 are undefined.
20.11.7 Status Polling
1. The I/O7 status polling flag indicates the operating status in auto-program/auto-erase mode.
2. The I/O6 status polling flag indicates a normal or abnormal end in auto-program/auto-erase
mode.
Table 20.22 Status Polling Output Truth Table
Pin Name
I/O7
I/O6
I/O0 to I/O5
During Internal
Operation
Abnormal End —
0
1
0
0
0
1
0
0
0
Normal End
1
1
0
20.11.8 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 20.23 Stipulated Transition Times to Command Wait State
Item
Standby release (oscillation
stabilization time)
Programmer mode setup time
V_CC hold time
Symbol Min
t _osc1
30
t _bmv
10
t _dwn
0
Max Unit Notes
ms
ms
ms
734