SAA7893 PHILIPS [NXP Semiconductors], SAA7893 Datasheet - Page 54

• Manufacturer Part Number: SAA7893
• Description: Super audio media player
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
12. SDRAM interface
Table 36:
9397 750 10925
Product data
Symbol
t
t
t
t
t
d
cmd
addr
dqm
data
Fig 56. SDRAM interface writing.
Timing numbers of SDRAM interface writing
Parameter
delay from clk to D_clk of SDRAM interface D_clk is clock of SDRAM
delay from clk to control signals
delay from clk to address lines
delay from clk to D_UDQM and D_LDQM
signals
delay from clk to data output signals
12.1 Writing
D_ADDR[13:0]
D_DQ[15:0]
D_UDQM
D_LDQM
D_RASn
D_CASn
D_Wen
D_clk
clk
t d
Rev. 02 — 26 February 2003
nop
XX
Conditions
ZZZZ
address
active
upper/lower
t cmd
t addr
t dqm
t data
address
write
data
byte
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
precharge
Min
3
1
1
1
1
Super audio media player
ZZZZ
XX
SAA7893HL
MBL632
Max
9
15
15
12
12
Unit
ns
ns
ns
ns
ns
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