MCF5307CFT66B Freescale Semiconductor, MCF5307CFT66B Datasheet - Page 266
MCF5307CFT66B
Manufacturer Part Number
MCF5307CFT66B
Description
IC MPU 32BIT 66MHZ COLDF 208FQFP
Manufacturer
Freescale Semiconductor
Series
MCF530xr
Datasheets
1.MCF5307AI66B.pdf
(484 pages)
2.MCF5307AI66B.pdf
(16 pages)
3.MCF5307AI66B.pdf
(2 pages)
Specifications of MCF5307CFT66B
Core Processor
Coldfire V3
Core Size
32-Bit
Speed
66MHz
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
-40°C ~ 85°C
Package / Case
208-FQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Quantity
Price
Company:
Part Number:
MCF5307CFT66B
Manufacturer:
FREESCAL
Quantity:
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Company:
Part Number:
MCF5307CFT66B
Manufacturer:
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Synchronous Operation
11.4.4.6 Self-Refresh Operation
Self-refresh is a method of allowing the SDRAM to enter into a low-power state, while at
the same time to perform an internal refresh operation and to maintain the integrity of the
data stored in the SDRAM. The DRAM controller supports self-refresh with DCR[IS].
When IS is set, the
command is sent to the DRAM controller. Figure 11-23 shows the self-refresh operation.
(DCR[COC] = 0)
11-32
RAS[0] or [1]
RAS[0] or [1]
DRAMW
BCLKO
A[31:0]
DRAMW
BCLKO
SRAS
SCAS
SRAS
SCAS
SCKE
PALL
PALL
SELF
t
t
RCD
NOP
RCD
Freescale Semiconductor, Inc.
NOP
= 2
Figure 11-22. Auto-Refresh Operation
= 2
Figure 11-23. Self-Refresh Operation
command is sent to the SDRAM. When IS is cleared, the
For More Information On This Product,
SELF
REF
Go to: www.freescale.com
Refresh
MCF5307 User’s Manual
Active
Self-
SELFX
t
RC
NOP
t
RC
= 6
= 6
NOP
Possible
ACTV
ACTV
First
SELFX
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