MCF5282CVF80J Freescale Semiconductor, MCF5282CVF80J Datasheet - Page 280
MCF5282CVF80J
Manufacturer Part Number
MCF5282CVF80J
Description
IC MPU 512K FLASH 256MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF528xr
Datasheet
1.MCF5216CVM66J.pdf
(766 pages)
Specifications of MCF5282CVF80J
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
80MHz
Connectivity
CAN, EBI/EMI, Ethernet, I²C, SPI, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
150
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
256-MAPBGA
Processor Series
MCF528x
Core
ColdFire V2
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Development Tools By Supplier
NNDK-MOD5282-KIT
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF5282CVF80J
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Synchronous DRAM Controller Module
15.2.2.3 DRAM Controller Mask Registers (DMR0/DMR1)
The DMRn,
Table 15-6
15-8
31–18
17–9
Bits
6–1
Reset
8
7
0
Field
Addr
R/W
31
Name
BAM
describes DMRn fields.
AMx
WP
—
—
V
Figure
Base address mask. Masks the associated DACRn[BA]. Lets the DRAM controller connect to various
DRAM sizes. Mask bits need not be contiguous (see
0 The associated address bit is used in decoding the DRAM hit to a memory block.
1 The associated address bit is not used in the DRAM hit decode.
Reserved, should be cleared.
Write protect. Determines whether the associated block of DRAM is write protected.
0 Allow write accesses
1 Ignore write accesses. The DRAM controller ignores write accesses to the memory block and an
Reserved, should be cleared.
Address modifier masks. Determine which accesses can occur in a given DRAM block.
0 Allow access type to hit in DRAM
1 Do not allow access type to hit in DRAM
Valid. Cleared at reset to ensure that the DRAM block is not erroneously decoded.
0 Do not decode DRAM accesses.
1 Registers controlling the DRAM block are initialized; DRAM accesses can be decoded.
15-4, includes mask bits for the base address and for address attributes.
address exception occurs. Write accesses to a write-protected DRAM region are compared in the
chip select module for a hit. If no hit occurs, an external bus cycle is generated. If this external bus
cycle is not acknowledged, an access exception occurs.
AM Alternate master
SC
SD
UC
UD
Bit
C/I
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
BAM
CPU space/interrupt acknowledge
Supervisor code
Supervisor data
User code
User data
Figure 15-4. DRAM Controller Mask Registers (DMRn)
Associated Access Type
Table 15-6. DMRn Field Descriptions
IPSBAR + 0x04C (DMR0), 0x054 (DMR1)
18 17
Uninitialized
R/W
Description
—
MOVEC instruction or interrupt acknowledge cycle
DMA master
Any supervisor-only instruction access
Any data fetched during the instruction access
Any user instruction
Any user data
Section 15.3, “SDRAM
9
WP — C/I AM SC SD UC UD V
8
Access Definition
7
6
5
Example.”)
Freescale Semiconductor
4
3
2
1
0
0
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