EN29GL064 EON [Eon Silicon Solution Inc.], EN29GL064 Datasheet - Page 39

• Manufacturer Part Number: EN29GL064
• Description: 64 Megabit (8192K x 8-bit / 4096K x 16-bit) Flash Memory Page mode Flash Memory, CMOS 3.0 Volt-only
• Manufacturer: EON [Eon Silicon Solution Inc.]

The common flash interface (CFI) specification outlines device and host systems software
interrogation handshake, which allows specific vendor-specified software algorithms to be used for
entire families of devices.
independent, and forward- and backward-compatible for the specified flash device families. Flash
vendors can standardize their existing interfaces for long-term compatibility.
This device enters the CFI Query mode when the system writes the CFI Query command, 98h, to
address 55h in word mode (or address AAh in byte mode), any time the device is ready to read
array data.
The system can read CFI information at the addresses given in Tables 9~11.In word mode, the
upper address bits (A7–MSB) must be all zeros. To terminate reading CFI data, the system must
write the reset command.
The system can also write the CFI query command when the device is in the autoselect mode. The
device enters the CFI query mode and the system can read CFI data at the addresses given in
Tables 9~11. The system must write the reset command to return the device to the autoselect mode.
COMMON FLASH INTERFACE (CFI)
Table 9. CFI Query Identification String
(Word Mode)
Table 10. System Interface String
This Data Sheet may be revised by subsequent versions
or modifications due to changes in technical specifications.
(Word Mode)
Addresses
Addresses
1Ah
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
1Ch
1Dh
1Bh
1Eh
1Fh
20h
21h
22h
23h
24h
25h
26h
0051h
0052h
0059h
0002h
0000h
0040h
0000h
0000h
0000h
0000h
0000h
0027h
0036h
0000h
0000h
0003h
0004h
0009h
0000h
0005h
0005h
0004h
0000h
Data
Data
Query Unique ASCII string “QRY”
Primary OEM Command Set
Address for Primary Extended Table
Alternate OEM Command set (00h = none exists)
Address for Alternate OEM Extended Table (00h = none exists)
Vcc Min (write/erase)
DQ7-DQ4: volt, DQ3-DQ0: 100mV
Vcc Max (write/erase)
DQ7-DQ4: volt, DQ3-DQ0: 100mV
Vpp Min voltage (00h = no Vpp pin present)
Vpp Max voltage (00h = no Vpp pin present)
Typical timeout per single byte/word write 2
Typical timeout for min size buffer write 2
Typical timeout per individual block erase 2
Typical timeout for full chip erase 2
Max timeout for byte/word write 2
Max timeout for buffer write 2
Max timeout per individual block erase 2
Max timeout for full chip erase 2
Software support can then be device-independent, JEDEC ID-
Rev. M, Issue Date: 2011/04/13
39
N
Description
Description
times typical
©2004 Eon Silicon Solution, Inc.,
N
N
times typical (00h = not supported)
N
times typical
ms (00h = not supported)
N
N
times typical
µs (00h = not supported)
N
N
ms
µs
EN29GL064
www.eonssi.com