S29GL256P10TFI010 Spansion Inc., S29GL256P10TFI010 Datasheet - Page 72

IC, FLASH, 256MBIT, 100NS, TSOP-56

S29GL256P10TFI010

Manufacturer Part Number
S29GL256P10TFI010
Description
IC, FLASH, 256MBIT, 100NS, TSOP-56
Manufacturer
Spansion Inc.

Specifications of S29GL256P10TFI010

Memory Type
Flash
Memory Size
256Mbit
Memory Configuration
32M X 8 / 16M X 16
Ic Interface Type
CFI, Parallel
Access Time
100ns
Supply Voltage Range
2.7 To 3.6 V
Memory Case Style
TSOP
Data Bus Width
8 bit, 16 bit
Architecture
Uniform
Interface Type
Page-mode
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Maximum Operating Current
50 mA
Mounting Style
SMD/SMT
Operating Temperature
+ 85 C
Package / Case
TSOP-56
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant

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12.2
72
Common Flash Memory Interface
The Common Flash Interface (CFI) specification outlines device and host system software interrogation
handshake, which allows specific vendor-specified software algorithms to be used for entire families of
devices. Software support can then be device-independent, JEDEC ID-independent, and forward- and back-
ward-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 any time the device is ready to read array data. The system can read CFI information at the addresses
given in Tables 12.6–12.8). All reads outside of the CFI address range, returns non-valid data. Reads from
other sectors are allowed, writes are not. 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 12.6–12.8.
The system must write the reset command to return the device to reading array data.
The following is a C source code example of using the CFI Entry and Exit functions. Refer to the Spansion
Low Level Driver User’s Guide (available on www.spansion.com) for general information on Spansion Flash
memory software development guidelines.
For further information, please refer to the CFI Specification (see JEDEC publications JEP137-A and
JESD68.01and CFI Publication 100). Please contact your sales office for copies of these documents.
/* Example: CFI Entry command */
/* Example: CFI Exit command
Addresses
*( (UINT16 *)base_addr + 0x55 ) = 0x0098;
*( (UINT16 *)base_addr + 0x000 ) = 0x00F0;
(x16)
1Ah
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
Addresses
2Ch
(x8)
20h
22h
24h
26h
28h
2Ah
2Eh
30h
32h
34h
S29GL-P MirrorBit
D a t a
Table 12.5 CFI Query Identification String
*/
0051h
0052h
0059h
0002h
0000h
0040h
0000h
0000h
0000h
0000h
0000h
Data
S h e e t
®
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)
Flash Family
/* write CFI entry command
/* write cfi exit command
( P r e l i m i n a r y )
Description
S29GL-P_00_A7 November 8, 2007
*/
*/

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