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TMPR3916 Datasheet(PDF) 67 Page - Toshiba Semiconductor

Part # TMPR3916
Description  32-Bit TX System RISC TX39 Family TMPR3916
PDF  225 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMPR3916 Datasheet(HTML) 67 Page - Toshiba Semiconductor

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Chapter 2 Memory Controller (MC)
Preliminary
2-18
Bank Interleaved Read Timing:
CLK
CS*
A
BA /
A[16:15]
CKE
RAS*
CAS*
WE*
DQ / D
DQM / BE
CMD
ROW
BANK A
DataA0
ACT A
READ A
COLUMN
BANK A
DataA1
PCHG A
ACT B
RASL setting
CASL setting
DataA2
DataA3
DataB0
DataB1
DataB2
DataB3
READ B
RASL setting
CASL setting
ROW
BANK B
COLUMN
BANK B
BANK A
BANK B
PCHG B
APL setting
APL setting
BANK A
BANK B
PAL seeting ignored due to
bank interleaving cycle
Figure 2.5.5 Read Access Using Bank Interleaving
Auto-Refresh Timing:
CLK
CS*
A
BA / A[16:15]
CKE
RAS*
CAS*
WE*
DQ / D
DQM / BE
CMD
PCHG
ROW
BANK A
Register settings for this example: PAL = 011 bin, ARL = 0010 bin
AREF
ACT
BANK A
PAL setting
ARL setting
Figure 2.5.6 Waveform for Auto-Refresh Timing



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