MCF5407AI220 Freescale Semiconductor, MCF5407AI220 Datasheet - Page 281
MCF5407AI220
Manufacturer Part Number
MCF5407AI220
Description
IC MPU 32B 220MHZ COLDF 208-FQFP
Manufacturer
Freescale Semiconductor
Series
MCF540xr
Specifications of MCF5407AI220
Core Processor
Coldfire V4
Core Size
32-Bit
Speed
220MHz
Connectivity
EBI/EMI, I²C, UART/USART
Peripherals
DMA, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
208-FQFP
Maximum Clock Frequency
220 MHz
Operating Supply Voltage
1.8 V, 3.3 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Program Memory Size
24KB
Cpu Speed
220MHz
Embedded Interface Type
I2C, UART
Digital Ic Case Style
FQFP
No. Of Pins
208
Supply Voltage Range
3.3V
Rohs Compliant
Yes
For Use With
M5407C3 - KIT EVAL FOR MCF5407 W/ETHERNET
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Figure 11-8 shows the write operation with the same configuration.
11.3.3.3 Continuous Page Mode
Continuous page mode (DACRn[PM] = 11) is a type of page mode that balances
performance, complexity, and size. In typical page-mode implementations, sequential
addresses are checked for multiple hits in a DRAM block. On a hit, RAS remains asserted
and CAS is asserted with the new column address. On a miss, RAS must be precharged
again before the bus cycle begins.
Continuous page mode supports page-mode operation without requiring an address holding
register per memory block and eliminates the delay for a miss-to-precharge RAS for the
upcoming bus cycle. Because the internal MCF5407 address bus is pipelined, addresses for
RAS[1] or [0]
RAS[1] or [0]
CAS[3:0]
DRAMW
CAS[3:0]
DRAMW
D[31:0]
A[31:0]
CLKIN
D[31:0]
A[31:0]
CLKIN
Figure 11-8. Burst Page-Mode Write Operation (4-3-3-3)
Figure 11-7. Burst Page-Mode Read Operation (4-3-3-3)
Row
Row
RCD = 0
RCD = 0
Chapter 11. Synchronous/Asynchronous DRAM Controller Module
Column
Column
CAS = 01
CAS = 01
Column
Column
Column
Column
Asynchronous Operation
Column
Column
11-13
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