MCF5282CVM66 Freescale, MCF5282CVM66 Datasheet - Page 94

• Manufacturer Part Number: MCF5282CVM66
• Manufacturer: Freescale

Specifications of MCF5282CVM66

• Cpu Family: MCF528x
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 66MHz
• Interface Type: CAN/I2C/QSPI/UART
• Total Internal Ram Size: 64KB
• # I/os (max): 150
• Number Of Timers - General Purpose: 12
• Operating Supply Voltage (typ): 3.3V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 256
• Package Type: MA-BGA
• Program Memory Type: Flash
• Program Memory Size: 512KB
• Lead Free Status / RoHS Status: Compliant

Enhanced Multiply-Accumulate Unit (EMAC)
3-16
break;
case 1,3:
if (MACSR.OMC == 0 || MACSR.PAVn == 0)
}
MACSR.V = MACSR.PAVn
MACSR.N = ACCx[47]
if (ACCx[47:0] == 0x0000_0000_0000)
if ((ACCx[47:31] == 0x0000_0) || (ACCx[47:31] == 0xffff_1))
then {
then MACSR.Z = 1
else MACSR.Z = 0
then MACSR.EV = 0
else MACSR.EV = 1
/* sign-extend to 48 bits before performing any scaling */
/* scale product before combining with accumulator */
switch (SF)
{
}
if (MACSR.PAVn == 0)
/* check for accumulation overflow */
if (accumulationOverflow == 1)
/* transfer the result to the accumulator */
ACCx[47:0] = result[47:0]
MACSR.PAVn = 0
if (sz == word)
then {if (inst == MSAC)
}
then {MACSR.PAVn = 1
}
then {if (U/Ly == 1)
case 0:
case 1:
case 2:
case 3:
break;
product[40:0] = {product[39:0], 0}
break;
break;
product[39:0] = {product[39], product[39:1]}
break;
product[47:40] = {8{product[39]}}
MACSR.V = 1
if (MACSR.OMC == 1)
if (U/Lx == 1)
then result[47:0] = ACCx[47:0] - product[47:0]
else result[47:0] = ACCx[47:0] + product[47:0]
then /* accumulation overflow,
then operandY[31:0] = {Ry[31:16], 0x0000}
else operandY[31:0] = {Ry[15:0],
/* signed fractionals */
/* 2-bit scale factor */
/* no scaling specified */
/* SF = “<< 1” */
/* reserved encoding */
/* SF = “>> 1” */
if (result[47] == 1)
saturationMode enabled */
then result[47:0] = 0x0000_7fff_ffff
else result[47:0] = 0xffff_8000_0000
/* sign-extend */
0x0000}
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