R Egisters - Philips CE130/55 Service Manual

1 Semiconductor
Mode Set Address Keys
CAS Latency
A6 A5 A4
0 0 0 Reserved
0 0 1
0 1 0
0 1 1
1 0 0 Reserved
1 0 1 Reserved
1 1 0 Reserved
1 1 1 Reserved
Notes: A7, A8, A9, A10 and A11 should stay "L" during mode set cycle.
MSM56V16160F support two methods of Power on Sequence.
POWER ON SEQUENCE 1
1. With inputs in NOP state, turn on the power supply and start the system clock.
2. After the V
CC
NOP state.
3. Issue the precharge all bank command.
4. Apply a CBR auto-refresh eight or more times.
5. Enter the mode register setting command.
POWER ON SEQUENCE 2
1. With inputs in NOP state, turn on the power supply and start the system clock.
2. After the V
CC
NOP state.
3. Issue the precharge all bank command.
4. Enter the mode register setting command.
5. Apply a CBR auto-refresh eight or more times.
Burst Type
CL A3 BT
0 Sequential
1 1 Interleave
2
3
voltage has reached the specified level, pause for 200µs or more with the input kept in
voltage has reached the specified level, pause for 200µs or more with the input kept in
Burst Length
A2 A1 A0 BT = 0
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0 Reserved
1 0 1 Reserved
1 1 0 Reserved
1 1 1 Full Page
FEDD56V16160F-02
MSM56V16160F
BT = 1
1 1
2 2
4 4
8 8
Reserved
Reserved
Reserved
Reserved
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