ESMT
F25L004A
Read-Electronic-Signature (RES)
The RES instruction can be used to read the 8-bit Electronic Signature of the device on the SO pin. The RES instruction can provide
access to the Electronic Signature of the device (except while an Erase, Program or WRSR cycle is in progress), Any ERS instruction
executed while an Erase, Program or WRSR cycle is in progress is no decoded, and has no effect on the cycle in progress.
CE
MODE3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
SCK MODE1
AB
SI
MSB
HIGH IMPENANCE
SO
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
MSB
Status
Register Out
Figure 16 : Read-Electronic-Signature (RES)
Elite Semiconductor Memory Technology Inc.
Publication Date: Apr. 2007
Revision: 1.2 21/32
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
