SH7014 Datasheet, PDF (577/754 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

18. 128 kB Flash Memory (F-ZTAT)
Table 18.19 Status Read Mode Return Commands
Pin Name I/O7
I/O6
Attribute
Normal
Command
end
error
identification
I/O5
I/O4
Programming Erase
error
error
I/O3
⎯
Initial value 0
Indications Normal
end: 0
Abnormal
end: 1
0
0
0
0
Command Programming Erasing
⎯
Error: 1
Error: 1
Error: 1
Otherwise: 0 Otherwise: 0 Otherwise: 0
Note: I/O2 and I/O3 are undefined at present.
I/O2
⎯
0
⎯
I/O1
I/O0
Programming Effective
or erase address error
count
exceeded
0
0
Count
Effective
exceeded: 1 address
Otherwise: 0 Error: 1
Otherwise: 0
18.11.7 Status Polling
1. I/O7 status polling is a flag that indicates the operating status in auto-program/auto-erase
mode.
2. I/O6 status polling is a flag that indicates a normal or abnormal end in auto-program/auto-erase
mode.
Table 18.20 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
Rev.5.00 Sep. 27, 2007 Page 543 of 716
REJ09B0398-0500