Sony Vaio VGN-S350F, Руководство по обслуживанию

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1-11
IC
VGN- S36C/S36GP/S36LP/S36SP/S36TP/S38CP/ S52B/
S62PS/S62PSY/S62S/ S350F/S350FP/ S360/S360P/ S370F
(J/AM /AO )
Confidential
OPERATION COMMAND TRUTH TABLE - I
Current
State
/CS /RAS /CAS /WE Address Command Action
IDLE
H X X X X DSEL
NOP or power down
3
L H H H X NOP
NOP or power down
3
L H H L X BST ILLEGAL
4
L H L H BA, CA, AP READ/READAP
ILLEGAL
4
L H L L BA, CA, AP WRITE/WRITEAP ILLEGAL
4
L L H H BA, RA ACT Row Activation
L L H L BA, AP PRE/PALL NOP
L L L H X AREF/SREF Auto Refresh or Self Refresh
5
L L L L OPCODE MRS Mode Register Set
ROW
ACTIVE
H X X X X DSEL NOP
L H H H X NOP NOP
L H H L X BST
ILLEGAL
4
L H L H BA, CA, AP READ/READAP
Begin read : optional AP
6
L H L L BA, CA, AP WRITE/WRITEAP
Begin write : optional AP
6
L L H H BA, RA ACT
ILLEGAL
4
L L H L BA, AP PRE/PALL
Precharge
7
L L L H X AREF/SREF ILLEGAL
11
L L L L OPCODE MRS
ILLEGAL
11
READ
H X X X X DSEL Continue burst to end
L H H H X NOP Continue burst to end
L H H L X BST Terminate burst
L H L H BA, CA, AP READ/READAP
Term burst, new read:optional AP
8
L H L L BA, CA, AP WRITE/WRITEAP ILLEGAL
L L H H BA, RA ACT
ILLEGAL
4
L L H L BA, AP PRE/PALL Term burst, precharge
L L L H X AREF/SREF
ILLEGAL
11
L L L L OPCODE MRS
ILLEGAL
11
WRITE
H X X X X DSEL Continue burst to end
L H H H X NOP Continue burst to end
L H H L X BST
ILLEGAL
4
L H L H BA, CA, AP READ/READAP
Term burst, new read:optional AP
8
L H L L BA, CA, AP WRITE/WRITEAP Term burst, new write:optional AP
OPERATION COMMAND TRUTH TABLE - II
Current
State
/CS /RAS /CAS /WE Address Command Action
WRITE
L L H H BA, RA ACT ILLEGAL
4
L L H L BA, AP PRE/PALL Term burst, precharge
L L L H X AREF/SREF
ILLEGAL
11
L L L L OPCODE MRS
ILLEGAL
11
READ
WITH
AUTOPRE-
CHARGE
H X X X X DSEL Continue burst to end
L H H H X NOP Continue burst to end
L H H L X BST ILLEGAL
L H L H BA, CA, AP READ/READAP
ILLEGAL
10
L H L L BA, CA, AP WRITE/WRITEAP
ILLEGAL
10
L L H H BA, RA ACT
ILLEGAL
4,10
L L H L BA, AP PRE/PALL
ILLEGAL
4,10
L L L H X AREF/SREF
ILLEGAL
11
L L L L OPCODE MRS
ILLEGAL
11
WRITE
AUTOPRE-
CHARGE
H X X X X DSEL Continue burst to end
L H H H X NOP Continue burst to end
L H H L X BST ILLEGAL
L H L H BA, CA, AP READ/READAP
ILLEGAL
10
L H L L BA, CA, AP WRITE/WRITEAP ILLEGAL
10
L L H H BA, RA ACT
ILLEGAL
4,10
L L H L BA, AP PRE/PALL
ILLEGAL
4,10
L L L H X AREF/SREF
ILLEGAL
11
L L L L OPCODE MRS
ILLEGAL
11
PRE-
CHARGE
H X X X X DSEL NOP-Enter IDLE after tRP
L H H H X NOP NOP-Enter IDLE after tRP
L H H L X BST
ILLEGAL
4
L H L H BA, CA, AP READ/READAP
ILLEGAL
4,10
L H L L BA, CA, AP WRITE/WRITEAP
ILLEGAL
4,10
L L H H BA, RA ACT ILLEGAL
4,10
L L H L BA, AP PRE/PALL NOP-Enter IDLE after tRP
L L L H X AREF/SREF
ILLEGAL
11
L L L L OPCODE MRS
ILLEGAL
11
OPERATION COMMAND TRUTH TABLE - III
Current
State
/CS /RAS /CAS /WE Address Command Action
ROW
ACTIVATING
H X X X X DSEL NOP - Enter ROW ACT after tRCD
L H H H X NOP NOP - Enter ROW ACT after tRCD
L H H L X BST
ILLEGAL
4
L H L H BA, CA, AP READ/READAP
ILLEGAL
4,10
L H L L BA, CA, AP WRITE/WRITEAP
ILLEGAL
4,10
L L H H BA, RA ACT
ILLEGAL
4,9,10
L L H L BA, AP PRE/PALL
ILLEGAL
4,10
L L L H X AREF/SREF ILLEGAL
11
L L L L OPCODE MRS
ILLEGAL
11
WRITE
RECOVERING
H X X X X DSEL NOP - Enter ROW ACT after tWR
L H H H X NOP NOP - Enter ROW ACT after tWR
L H H L X BST
ILLEGAL
4
L H L H BA, CA, AP READ/READAP ILLEGAL
L H L L BA, CA, AP WRITE/WRITEAP ILLEGAL
L L H H BA, RA ACT
ILLEGAL
4,10
L L H L BA, AP PRE/PALL ILLEGAL
4,11
L L L H X AREF/SREF
ILLEGAL
11
L L L L OPCODE MRS
ILLEGAL
11
WRITE
RECOVERING
WITH
AUTOPRE-
CHARGE
H X X X X DSEL NOP - Enter precharge after tDPL
L H H H X NOP NOP - Enter precharge after tDPL
L H H L X BST ILLEGAL
4
L H L H BA, CA, AP READ/READAP
ILLEGAL
4,8,10
L H L L BA, CA, AP WRITE/WRITEAP
ILLEGAL
4,10
L L H H BA, RA ACT
ILLEGAL
4,10
L L H L BA, AP PRE/PALL
ILLEGAL
4,11
L L L H X AREF/SREF ILLEGAL
11
L L L L OPCODE MRS
ILLEGAL
11
REFRESHING
H X X X X DSEL NOP - Enter IDLE after tRC
L H H H X NOP NOP - Enter IDLE after tRC
L H H L X BST
ILLEGAL
11
L H L H BA, CA, AP READ/READAP ILLEGAL
11
OPERATION COMMAND TRUTH TABLE - IV
Note :
1. H - Logic High Level, L - Logic Low Level, X - Don’t Care, V - Valid Data Input,
BA - Bank Address, AP - AutoPrecharge Address, CA - Column Address, RA - Row Address, NOP - NO Operation.
2. All entries assume that CKE was active(high level) during the preceding clock cycle.
3. If both banks are idle and CKE is inactive(low level), then in power down mode.
4. Illegal to bank in specified state. Function may be legal in the bank indicated by Bank Address(BA) depending on the state of
that bank.
5. If both banks are idle and CKE is inactive(low level), then self refresh mode.
6. Illegal if tRCD is not met.
7. Illegal if tRAS is not met.
8. Must satisfy bus contention, bus turn around, and/or write recovery requirements.
9. Illegal if tRRD is not met.
10. Illegal for single bank, but legal for other banks in multi-bank devices.
11. Illegal for all banks.
Current
State
/CS /RAS /CAS /WE Address Command Action
WRITE
L H L L BA, CA, AP WRITE/WRITEAP
ILLEGAL
11
L L H H BA, RA ACT
ILLEGAL
11
L L H L BA, AP PRE/PALL
ILLEGAL
11
L L L H X AREF/SREF
ILLEGAL
11
L L L L OPCODE MRS
ILLEGAL
11
MODE
REGISTER
ACCESSING
H X X X X DSEL NOP - Enter IDLE after tMRD
L H H H X NOP NOP - Enter IDLE after tMRD
L H H L X BST
ILLEGAL
11
L H L H BA, CA, AP READ/READAP
ILLEGAL
11
L H L L BA, CA, AP WRITE/WRITEAP
ILLEGAL
11
L L H H BA, RA ACT
ILLEGAL
11
L L H L BA, AP PRE/PALL ILLEGAL
11
L L L H X AREF/SREF
ILLEGAL
11
L L L L OPCODE MRS
ILLEGAL
11