MCF5272CVF66J Freescale Semiconductor, MCF5272CVF66J Datasheet - Page 99
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MCF5272CVF66J
Manufacturer Part Number
MCF5272CVF66J
Description
IC MCU 166MHZ 196MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF527xr
Specifications of MCF5272CVF66J
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
-40°C ~ 85°C
Package / Case
196-MAPBGA
Processor Series
MCF527x
Core
ColdFire V2
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Development Tools By Supplier
NNDK-MOD5272-KIT, NNDK-MOD5270-KIT
Leaded Process Compatible
No
Rohs Compliant
No
Peak Reflow Compatible (260 C)
No
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
No
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF5272CVF66J
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 3
Hardware Multiply/Accumulate (MAC) Unit
This chapter describes the MCF5272 multiply/accumulate (MAC) unit, which executes integer multiply,
multiply-accumulate, and miscellaneous register instructions. The MAC is integrated into the operand
execution pipeline (OEP).
3.1
The MAC unit provides hardware support for a limited set of digital signal processing (DSP) operations
used in embedded code, while supporting the integer multiply instructions in the ColdFire microprocessor
family.
The MAC unit provides signal processing capabilities for the MCF5272 in a variety of applications
including digital audio and servo control. Integrated as an execution unit in the processor’s OEP, the MAC
unit implements a three-stage arithmetic pipeline optimized for 16 x 16 multiplies. Both 16- and 32-bit
input operands are supported by this design in addition to a full set of extensions for signed and unsigned
integers plus signed, fixed-point fractional input operands.
The MAC unit provides functionality in three related areas:
Each of the three areas of support is addressed in detail in the succeeding sections. Logic that supports this
functionality is contained in a MAC module, as shown in
Freescale Semiconductor
•
•
•
Signed and unsigned integer multiplies
Multiply-accumulate operations supporting signed, unsigned, and signed fractional operands
Miscellaneous register operations
Overview
MCF5272 ColdFire
Figure 3-1. ColdFire MAC Multiplication and Accumulation
®
Operand Y
Integrated Microprocessor User’s Manual, Rev. 3
Accumulator
Shift 0,1,-1
+/-
X
Operand X
Figure
3-1.
3-1
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