Motorola ColdFire MCF5281 - Manual (Page 701)

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