MX29F8100 Ver la hoja de datos (PDF) - Macronix International
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MX29F8100 Datasheet PDF : 37 Pages
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INDEX
MX29F8100
BUS OPERATION
Flash memory reads, erases and writes in-system via the local CPU . All bus cycles to or from the flash memory conform
to standard microprocessor bus cycles.
Table 2.1 Bus Operations for Word-Wide Mode (BYTE = VIH)
Mode
Notes PWD CE1 CE2 OE WE A0 A1 A9 Q0-Q7 Q8-Q14 Q15/A-1 RY/BY
Read
1,2,7 VIH VIL VIL VIL VIH X X X
DOUT DOUT
DOUT
X
OutputDisable 1,6,7 VIH VIL VIL VIH VIH X X X
High Z
HighZ
HighZ
X
Standby
1,6,7 VIH VIL VIH X X X X X
HighZ
HIgh Z
HighZ
X
VIH VIL
VIH VIH
DeepPower-Down 1,3
VIL X X X
XXXX
High Z
HighZ
HighZ
VOH
ManufacturerID 4,8 VIH VIL VIL VIL VIH VIL VIL VID C2H
00H
0B
VOH
DeviceID
4,8 VIH VIL VIL VIL VIH VIH VIL VID
88H
00H
0B
VOH
Write
1,5,6 VIH VIL VIL VIH VIL X X X
DIN
DIN
DIN
X
Table2.2 Bus Operations for Byte-Wide Mode (BYTE = VIL)
Mode
Notes PWD CE1 CE2 OE WE A0 A1 A9 Q0-Q7 Q8-Q14 Q15/A-1 RY/BY
Read
1,2,7,9 VIH VIL VIL VIL VIH X X X
DOUT
HighZ
VIL/VIH
X
OutputDisable 1,6,7 VIH VIL VIL VIH VIH X X X
High Z
HIghZ
X
X
Standby
1,6,7 VIH VIL VIH X
VIH VIL
VIH VIH
DeepPower-Down 1,3 VIL X X X
XXXX
XXXX
HighZ
High Z
HighZ
HIghZ
X
X
X
VOH
ManufacturerID 4,8 VIH VIL VIL VIL VIH VIL VIL VID
C2H
High Z
VIL
VOH
DeviceID
4,8 VIH VIL VIL VIL VIH VIH VIL VID
88H
High Z
VIL
VOH
Write
1,5,6 VIH VIL VIL VIH VIL X X X
DIN
HIghZ
VIL/VIH
X
NOTES :
1.X can be VIH or VIL for address or control pins except for RY/BY which is either VOL orVOH.
2.RY/BY output is open drain. When the WSM is ready, Erase is suspended or the device is in deep power-down mode, RY/BY will be at VOH
if it is tied to VCC through a 1K ~ 100K resistor. When the RY/BY at VOH is independent of OE while a WSM operation is in progress.
3.PWD at GND ± 0.2V ensures the lowest deep power-down current.
4. A0 and A1 at VIL provide manufacturer ID codes. A0 at VIH and A1 at VIL provide device ID codes. A0 at VIL, A1 at VIH and with appropriate
sector addresses provide Sector Protect Code.(Refer to Table 4)
5. Commands for different Erase operations, Data program operations or Sector Protect operations can only be successfully completed through
proper command sequence.
6.While the WSM is running. RY/BY in Level-Mode stays at VOL until all operations are complete. RY/BY goes to VOH when the WSM is not
busy or in erase suspend mode.
7. RY/BY may be at VOL while the WSM is busy performing various operations. For example, a status register read during a write operation.
8. VID = 11.5V- 12.5V.
9. Q15/A-1 = VIL, Q0 - Q7 =D0-D7 out . Q15/A-1 = VIH, Q0 - Q7 = D8 -D15 out.
P/N: PM0262
REV. 2.0, JAN. 22, 1999
5
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