參數(shù)資料
型號(hào)： S29CD016G0JFFM012
廠商： Spansion Inc.
英文描述： 32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
中文描述： 32兆位（1米× 32位），16兆位（512k × 32的位），2.5伏，只有突發(fā)模式，雙啟動(dòng)，同步讀/寫閃存與VersatileI內(nèi)存/輸出
文件頁數(shù)： 63/87頁
文件大?。?/td> 792K
代理商： S29CD016G0JFFM012
November 14, 2005 S29CD-G_00_B0
S29CD-G Flash Family
61
P r e l i m i n a r y
DQ3: Sector Erase Timer
After writing a sector erase command sequence, the system may read DQ3 to determine whether
or not an erase operation started. (The sector erase timer does not apply to the chip erase com-
mand.) If additional sectors are selected for erasure, the entire time-out also applies after each
additional sector erase command. When the time-out is complete, DQ3 switches from
0
to
1
. The
system may ignore DQ3 if the system can guarantee that the time between additional sector
erase commands is always less than 50 μs. Also see
Sector Erase Command
on page 46
.
After the sector erase command sequence is written, the system should read the status on DQ7
(Data# Polling) or DQ6 (Toggle Bit I) to ensure the device accepted the command sequence, and
then read DQ3. If DQ3 is
1
, the internally controlled erase cycle started; all further commands
(other than Erase Suspend) are ignored until the erase operation is complete. If DQ3 is
0
, the
device accepts additional sector erase commands. To ensure the command is accepted, the sys-
tem software should check the status of DQ3 prior to and following each subsequent sector erase
command. If DQ3 is high on the second status check, the last command might not have been
accepted.
Table 43
shows the outputs for DQ3.
Notes:
1.
DQ5 switches to
1
when an Embedded Program or Embedded Erase operation exceeds the maximum timing limits. See
DQ5: Exceeded Timing Limits
for more information.
DQ7 and DQ2 require a valid address when reading status information. See
DQ7: Data# Polling
and
DQ2: Toggle Bit II
for further details.
2.
Table 43. Write Operation Status
Operation
DQ7
( Note 2)
DQ6
DQ5
( Note 1)
DQ3
DQ2
( Note 2)
RY / BY #
Standard
Mode
Embedded Program Algorithm
DQ7#
Toggle
0
N/A
No toggle
0
Embedded Erase Algorithm
0
Toggle
0
1
Toggle
0
Erase
Suspend
Mode
Reading within Erase
Suspended Sector
1
No toggle
0
N/A
Toggle
1
Reading within Non-Erase
Suspended Sector
Data
Data
Data
Data
Data
1
Erase-Suspend-Program
DQ7#
Toggle
0
N/A
N/A
0
相關(guān)PDF資料
PDF描述
S29CD016G0JFFM100 32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM102 32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM110 32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM112 32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM200 32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S29CD016G0JFFM100 制造商:SPANSION 制造商全稱:SPANSION 功能描述:32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM102 制造商:SPANSION 制造商全稱:SPANSION 功能描述:32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM110 制造商:SPANSION 制造商全稱:SPANSION 功能描述:32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM112 制造商:SPANSION 制造商全稱:SPANSION 功能描述:32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
S29CD016G0JFFM200 制造商:SPANSION 制造商全稱:SPANSION 功能描述:32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
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