mcf5272 Freescale Semiconductor, Inc, mcf5272 Datasheet - Page 206

• Manufacturer Part Number: mcf5272
• Description: Mcf5272 Coldfire Integrated Microprocessor User
• Manufacturer: Freescale Semiconductor, Inc

Performance
In Table 9-12, the timing configuration is RTP = 61, RC = negligible, RCD = 0, RP = 0, and
CLT = 1.
9-12
Table 9-12. SDRAM Controller Performance, 16-Bit Port, (RCD=0, RP=1)
Table 9-13. SDRAM Controller Performance, 16-Bit Port, (RCD=0, RP=0)
Single-beat read
Single-beat longword read
Single-beat write
Single-beat longword write Page miss 6-1
Burst read
Burst write
Single-beat
read
Single-beat
longword read
Single-beat
write
Single-beat
longword write
Burst read
Burst write
SDRAM Access
SDRAM Access
Page miss
Page hit
Page miss
Page hit
Page miss
Page hit
Page miss
Page hit
Page miss
Page hit
Page miss
Page hit
MCF5272 User’s Manual
or (RCD=1, RP = 0)
Page miss 8
Page hit
Page miss 8-1
Page hit
Page miss 6
Page hit
Page hit
Page miss 8-1-1-1-1-1-1-1 = 15 9-1-1-1-1-1-1-1 = 16
Page hit
Page miss 6-1-1-1-1-1-1-1 = 13 6-1-1-1-1-1-1-1 = 13
Page hit
7
5
7-1
5-1
5
3
5-1
3-1
7-1-1-1-1-1-1-1 = 14 8-1-1-1-1-1-1-1 = 15
5-1-1-1-1-1-1-1 = 12 6-1-1-1-1-1-1-1 = 13
5-1-1-1-1-1-1-1 = 12 5-1-1-1-1-1-1-1 = 12
3-1-1-1-1-1-1-1 = 10 3-1-1-1-1-1-1-1 = 10
REG = 0, INV = 0
5
5-1
3
3-1
5-1-1-1-1-1-1-1 = 12 6-1-1-1-1-1-1-1 = 13
3-1-1-1-1-1-1-1 = 10 3-1-1-1-1-1-1-1 = 10
Number of System Clock Cycles
REG = 0, INV = 0
Number of System Clock Cycles
8
6
8-1
6-1
5
3
5-1
3-1
REG = 1, INV = 0
9
6
9-1
6-1
6
3
6-1
3-1
REG = 1, INV = 0
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