MCF5282CVF80J Freescale Semiconductor, MCF5282CVF80J Datasheet - Page 87
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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Figure 3-7
40-bit product used for accumulation, and 48-bit accumulator formats.
Therefore, the 48-bit accumulator definition is a function of the EMAC operating mode. Given that each
48-bit accumulator is the concatenation of 16-bit accumulator extension register (ACCextn) contents and
32-bit ACCn contents, the specific definitions are:
if MACSR[6:5] == 00
if MACSR[6:5] == 01 or 11 /* signed fractional mode */
if MACSR[6:5] == 10
The four accumulators are represented as an array, ACCn, where n selects the register.
Freescale Semiconductor
Complete Accumulator[47:0] = {ACCextn[15:0], ACCn[31:0]}
Complete Accumulator [47:0] = {ACCextn[15:8], ACCn[31:0], ACCextn[7:0]}
Complete Accumulator[47:0] = {ACCextn[15:0], ACCn[31:0]}
and
Extended Product
Extended Product
Figure 3-8
Accumulator
Accumulator
Product
Product
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
+
+
show relative alignment of input operands, the full 64-bit product, the resulting
Figure 3-8. Signed and Unsigned Integer Alignment
Extension Byte Upper [7:0]
Extension Byte Upper [7:0]
/* signed integer mode */
/* unsigned integer mode */
40
X
24
X
Figure 3-7. Fractional Alignment
OperandY
OperandX
OperandY
OperandX
8
8
8
8
Extension Byte Lower [7:0]
40
40
8
8
8
Accumulator [31:0]
32
32
32
32
32
32
32
23
Accumulator [31:0]
Enhanced Multiply-Accumulate Unit (EMAC)
Extension Byte Lower [7:0]
8
0
3-9
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