MCF5232 ETC, MCF5232 Datasheet - Page 46

• Manufacturer Part Number: MCF5232
• Description: Integrated Microprocessor Hardware Specification
• Manufacturer: ETC

Preliminary Electrical Characteristics
Figure 15
NOTES:
1
46
NUM
D7
D8
D7 and D8 are for write cycles only.
D1
D2
D3
D4
D5
D6
RAS[1:0]
CAS[3:0]
1
2
D[31:0]
SDWE
A[23:0]
CAS
SD_CKE
RAS
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
shows an SDRAM write cycle.
1
D2
D1
1
DACR[CASL] = 2
0
ACTV
D4
MCF523x Integrated Microprocessor Hardware Specification, Rev. 1.3
D2
Row
D2
1
2
NOP
D2
Characteristic
D3
3
Figure 14. SDRAM Read Cycle
4
Table 32. SDRAM Timing
D4
READ
5
Preliminary
6
NOP
7
8
NOP
Column
D2
9
10
t
Symbol
t
CHDDVW
t
D5
t
t
CHDDIW
t
t
t
CHDCV
DDVCH
CHDAV
CHDAI
CHDCI
CHDDI
PALL
11
D4
12
D6
Min
D4
1.5
1.5
1.5
1.5
—
—
—
4
Freescale Semiconductor
13
14
Max
—
—
—
—
—
9
9
9
15
Unit
ns
ns
ns
ns
ns
ns
ns
ns