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Rev. 71, 07/01, page 105 of 372
Table 7-14 Status Read Mode Return Codes
Pin Name Initial Value Indications
I/O7 0 1: Abnormal end
0: Normal end
I/O6 0 1: Command error
0: Otherwise
I/O5 0 1: Programming error
0: Otherwise
I/O4 0 1: Erasing error
0: Otherwise
I/O3 0 Undefined
I/O2 0 Undefined
I/O1 0 1: Over counting of writing or
erasing
0: Otherwise
I/O0 0 1: Effective address error
0: Otherwise
7.6.7 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 7-15 Status Polling Output Truth Table
I/O7 I/O6 I/O0 I/O5 Status
0 0 0 During internal operation
1 0 0 Abnormal end
1 1 0 Normal end
010