MCF5307FT90B Freescale Semiconductor, MCF5307FT90B Datasheet - Page 264
MCF5307FT90B
Manufacturer Part Number
MCF5307FT90B
Description
IC MPU 32BIT COLDF 90MHZ 208FQFP
Manufacturer
Freescale Semiconductor
Series
MCF530xr
Datasheets
1.MCF5307AI66B.pdf
(484 pages)
2.MCF5307AI66B.pdf
(16 pages)
3.MCF5307AI66B.pdf
(2 pages)
Specifications of MCF5307FT90B
Core Processor
Coldfire V3
Core Size
32-Bit
Speed
90MHz
Connectivity
EBI/EMI, I²C, UART/USART
Peripherals
DMA, POR, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
208-FQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
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Synchronous Operation
Figure 11-20 shows two read accesses in continuous page mode. Note that there is no
precharge between the two accesses. Also notice that the second cycle begins with a read
operation with no
Figure 11-21 shows a write followed by a read in continuous page mode. Because the bus
cycle is terminated with a
than after the read. A read requires data to be returned before the bus cycle can terminate.
Note that in continuous page mode, secondary accesses output the column address only.
11-30
Figure 11-20. Synchronous, Continuous Page-Mode Access—Consecutive Reads
RAS[0] or [1]
• Because of the nature of the internal CPU pipeline this condition does not occur
CAS[3:0]
DRAMW
BCLKO
A[31:0]
D[31:0]
SRAS
SCAS
often; however, the use of continuous page mode is recommended because it can
provide a slight performance increase.
ACTV
ACTV
t
RCD
Row
= 2
NOP
Freescale Semiconductor, Inc.
command.
For More Information On This Product,
WRITE
READ
t
CASL
command, the second cycle begins sooner after the write
Go to: www.freescale.com
MCF5307 User’s Manual
= 2
Column
NOP
READ
t
CASL
Column
= 2
NOP
NOP
t
EP
PALL
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