mcf5282 Freescale Semiconductor, Inc, mcf5282 Datasheet - Page 701

• Manufacturer Part Number: mcf5282
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
1
2
D1
D2
D3
D4
D5
D6
D7
D8
NUM
All timing specifications are based on taking into account, a 25pF load on the SDRAM output pins.
D7 and D8 are for write cycles only.
2
2
SDRAM_CS[1:0]
CLKOUT high to SDRAM address valid
CLKOUT high to SDRAM control valid
CLKOUT high to SDRAM address invalid
CLKOUT high to SDRAM control invalid
SDRAM data valid to CLKOUT high
CLKOUT high to SDRAM data invalid
CLKOUT high to SDRAM data valid
CLKOUT high to SDRAM data invalid
DRAMW
CLKOUT
BS[3:0]
D[31:0]
A[23:0]
SCAS
SRAS
D1
1
1
DACR[CASL] = 2
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
0
ACTV
D4
Row
Characteristic
1
Figure 33-6. SDRAM Read Cycle
2
NOP
Table 33-16. SDRAM Timing
D2
D3
3
1
4
D4
READ
5
6
NOP
7
8
Column
t
Symbol
t
CHDDVW
t
t
t
CHDDIW
D6
D4
t
t
t
CHDCV
D5
CHDAV
DDVCH
CHDAI
CHDCI
CHDDI
PRE
9
10
Min
11
—
—
—
2
2
6
1
2
Electrical Characteristics
12
Max
10
10
—
—
—
—
10
—
13
Unit
33-17
ns
ns
ns
ns
ns
ns
ns
ns