mcf5307cft90b Freescale Semiconductor, Inc, mcf5307cft90b Datasheet - Page 244
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mcf5307cft90b
Manufacturer Part Number
mcf5307cft90b
Description
Mcf5307 Coldfire Integrated Microprocessor User
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MCF5307CFT90B.pdf
(484 pages)
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Asynchronous Operation
Note that in Table 11-8, MCF5307 pin A19 is not connected because DRAM address bit 18
is already provided on MCF5307 pin A18; thus, the next MCF5307 pin used should be A20.
11-10
MCF5307 Address Pin
MCF5307 Address Pin
17
16
15
14
13
12
11
10
19
21
23
25
9
16
15
14
13
12
11
10
18
20
22
24
9
Table 11-8. DRAM Addressing for 16-Bit Wide Memories
Table 11-7. DRAM Addressing for Byte-Wide Memories
MCF5307 Address Bit
Freescale Semiconductor, Inc.
MCF5307 Address Bit
For More Information On This Product,
Driven for RAS
Driven for RAS
17
16
15
14
13
12
11
10
19
21
23
25
9
16
15
14
13
12
11
10
18
20
22
24
9
Go to: www.freescale.com
MCF5307 User’s Manual
MCF5307 Address Bit Driven
MCF5307 Address Bit Driven
when CAS is Asserted
when CAS is Asserted
18
20
22
24
0
1
2
3
4
5
6
7
8
17
19
21
23
1
2
3
4
5
6
7
8
Base memory size of
Base memory size of
Memory Size
Memory Size
256 Kbytes
128 Kbytes
512 Kbytes
16 Mbytes
64 Mbytes
32 Mbytes
4 Mbytes
2 Mbytes
8 Mbytes
1 Mbyte
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