MCF5272VF66 Freescale Semiconductor, MCF5272VF66 Datasheet - Page 465
![IC MPU 32BIT 66MHZ 196-MAPBGA](/photos/13/94/139412/mcf5272vf66_sml.jpg)
MCF5272VF66
Manufacturer Part Number
MCF5272VF66
Description
IC MPU 32BIT 66MHZ 196-MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF527xr
Specifications of MCF5272VF66
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, UART/USART, USB
Peripherals
DMA, WDT
Number Of I /o
32
Program Memory Size
16KB (4K x 32)
Program Memory Type
ROM
Ram Size
1K x 32
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
196-MAPBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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20.7
The MCF5272 uses line read transfers to access 16 bytes to support cache line filling DMA transfers, and
MOVEM instructions, when appropriate. A cache line read accesses a block of four longwords, aligned to
a longword memory boundary, by supplying a starting address that points to one of the longwords and
incrementing A[3:0] of the supplied address for each transfer. A longword read accesses a single longword
aligned to a longword boundary and increments A1 and A0 if the accessed port size is smaller than 32 bits.
A word read accesses a single word of data, aligned to a word boundary and increments A0 if the accessed
port size is smaller than 16 bits.
The MCF5272 uses line write transfers to access a 16-byte operand for MOVEM instructions and DMA
transfers, when appropriate. A line write accesses a block of four longwords, aligned to a longword
memory boundary, by supplying a starting address that points to one of the longwords and increments
A[3:0] of the supplied address for each transfer. A longword write accesses a single longword aligned to
a longword boundary and increments A1 and A0 if the accessed port size is smaller than 32 bits. A word
write accesses a single word of data, aligned to a word boundary and increments A0 if the accessed port
size is smaller than 16 bits.
The MCF5272 hardware supports the following types of burst transfers.
Freescale Semiconductor
•
SDCLK
A[22:0]
D[31:0]
OE
R/W
CSn
BS[3:0]
TA
Sixteen byte cache line read bursts from 32-bit wide SDRAM with access times of n-1-1-1. The
value of n depends on read, write, page miss, page hit, etc. See
Burst Data Transfers
(H)
(H)
Figure 20-17. Longword Write with Address Setup and Address Hold;
MCF5272 ColdFire
C1
EBI = 11; 32-Bit Port, Internal Termination
®
Integrated Microprocessor User’s Manual, Rev. 3
C2
C3
C4
Chapter 9, “SDRAM
Controller,”
Bus Operation
20-17
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