GD25LQ128C Datasheet, PDF (52/62 Pages) ELM Electronics – 128M-bit Serial Flash

GD25LQ128CxIGx 1.8V Uniform Sector Dual and Quad Serial Flash
http://www.elm-tech.com
Table 4. Parameter Table (0): JEDEC Flash Parameter Tables
Description
Comment
Add(H)
(Byte)
DW Add
(Bit)
Data
Data
Block/Sector Erase Size
00: Reserved; 01: 4KB erase;
10: Reserved; 11: Not support 4KB erase
Write Granularity
0: 1Byte; 1: 64Byte or larger.
Write Enable Instruction 0: Nonvolatile status bit;
Requested for Writing to 1: Volatile status bit
Volatile Status Registers
(BP status register bit).
30H
Write Enable Opcode Select
for Writing to Volatile Status
Registers
0: Use 50H Opcode; 1: Use 06H Opcode.
Note:
If target flash status register is Nonvolatile,
then bits 3 and 4 must be set to 00b.
Unused
Contains 111b and can never be changed.
4KB Erase Opcode
31H
(1-1-2) Fast Read
0=Not support; 1=Support.
Address Bytes Number used 00: 3Byte only; 01: 3 or 4Byte;
in addressing flash array 10: 4Byte only; 11: Reserved.
Double Transfer Rate (DTR)
clocking
0=Not support;
1=Support.
32H
(1-2-2) Fast Read
0=Not support; 1=Support.
(1-4-4) Fast Read
0=Not support; 1=Support.
(1-1-4) Fast Read
0=Not support; 1=Support.
Unused
Unused
33H
Flash Memory Density
37H:34H
(1-4-4) Fast Read Number 0 0000b:
of Wait states
Wait states (Dummy Clocks) not support.
38H
(1-4-4) Fast Read Number
of Mode Bits
000b: Mode Bits not support.
(1-4-4) Fast Read Opcode
39H
(1-1-4) Fast Read Number 0 0000b:
of Wait states
Wait states (Dummy Clocks) not support.
3AH
(1-1-4) Fast Read Number
of Mode Bits
000b: Mode Bits not support.
(1-1-4) Fast Read Opcode
3BH
(1-1-2) Fast Read Number 0 0000b:
of Wait states
Wait states (Dummy Clocks) not support.
3CH
(1-1-2) Fast Read Number
of Mode Bits
000b: Mode Bits not support.
(1-1-2) Fast Read Opcode
3DH
01:00 01b
02
1b
03
0b
E5H
04
0b
07:05
15:08
16
18:17
111b
20H 20H
1b
00b
19
20
21
22
23
31:24
31:00
0b
F1H
1b
1b
1b
1b
FFH FFH
07FFFFFFH
04:00
07:05
00100b
44H
010b
15:08 EBH EBH
20:16
23:21
01000b
08H
000b
31:24 6BH 6BH
04:00
07:05
01000b
08H
000b
15:08 3BH 3BH
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