256-Mbit J3 (x8/x16)
Table 27. CFI Identification (Sheet 2 of 2)
Offset
Length
Description
0000h means no second vendor-specified algorithm exists
Secondary algorithm Extended Query Table address.
0000h means none exists
Add.
18:
19:
1A:
Hex
Code
--00
--00
--00
Value
19h
2
A.5
System Interface Information
The following device information can optimize system interface software.
Table 28. System Interface Information
Offset
1Bh
Length
1
Description
V
CC
logic supply minimum program/erase voltage
bits 0鈥? BCD 100 mV
bits 4鈥? BCD volts
V
CC
logic supply maximum program/erase voltage
bits 0鈥? BCD 100 mV
bits 4鈥? BCD volts
V
PP
[programming] supply minimum program/erase voltage
bits 0鈥? BCD 100 mV
bits 4鈥? HEX volts
V
PP
[programming] supply maximum program/erase voltage
bits 0鈥? BCD 100 mV
bits 4鈥? HEX volts
鈥渘鈥?such that typical single word program time-out = 2
n
碌s
鈥渘鈥?such that typical max. buffer write time-out = 2
n
碌s
鈥渘鈥?such that typical block erase time-out = 2
n
ms
鈥渘鈥?such that typical full chip erase time-out = 2
n
ms
鈥渘鈥?such that maximum word program time-out = 2
n
times
typical
鈥渘鈥?such that maximum buffer write time-out = 2
n
times typical
鈥渘鈥?such that maximum block erase time-out = 2
n
times typical
鈥渘鈥?such that maximum chip erase time-out = 2
n
times typical
Add.
1B:
Hex
Code
--27
Value
2.7 V
1Ch
1
1C:
--36
3.6 V
1Dh
1
1D:
--00
0.0 V
1Eh
1Fh
20h
21h
22h
23h
24h
25h
26h
1
1
1
1
1
1
1
1
1
1E:
1F:
20:
21:
22:
23:
24:
25:
26:
--00
--08
--08
--0A
--00
--04
--04
--04
--00
0.0 V
256 碌s
256 碌s
1s
NA
2 ms
2 ms
16 s
NA
A.6
Device Geometry Definition
This field provides critical details of the flash device geometry.
Table 29. Device Geometry Definition (Sheet 1 of 2)
Offset
27h
28h
2Ah
Length
1
2
2
Description
鈥渘鈥?such that device size = 2
n
in number of bytes
Flash device interface: x8 async x16 async x8/x16 async
28:00,29:00 28:01,29:00 28:02,29:00
鈥渘鈥?such that maximum number of bytes in write buffer = 2
n
Code See Table
Below
27:
28:
29:
2A:
2B:
--02
--00
--05
--00
x8/
x16
32
Datasheet
55