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MuxOneNAND2G(KFM2G16Q2A-DEBx)
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6.14 2X Cache Program Operation Timing
1st data input 2nd data input
2X cache program Command
ADQ0~
A1, A2, A3 : Address of DataRAM to be written
INT: Indicator for DataRAM’s Status (Ready=High, Busy=Low)
Ongoing Status : Indicated by OnGo bit in Controller Status Register [15] (F240h)
4KB data input : Asynch Write / Synch Write available.
Command input and INT pin behavior is based on ‘INT auto mode’.
In ‘INT manual mode’, writing ‘0’ to interrupt register is required before command issue.
ADQ15
A1 A2
High-Z
INT
....
..
..
4KB data into
2 DataRAMs
4KB data into
2 DataRAMs
2X Cache program Command
2X program Command
3nd data input
A3
4KB data into
2 DataRAMs
...
O
ngoing
S
tatus
Controller Status Register Check
Plane1 / Plane2 current : Invalid
Plane1 / Plane2 previous: Pass=0, Fail=1
Controller Status Register Check
Plane1 / Plane2 current : Pass=0, Fail=1
Plane1 / Plane2 previous: Pass=0, Fail=1
Controller Status Register Check
Plane1 / Plane2 current : Invalid (Fixed to 0)
Plane1 / Plane2 previous: Invalid (Fixed to 0)