MOD5234-100IR NetBurner Inc, MOD5234-100IR Datasheet - Page 125

• Manufacturer Part Number: MOD5234-100IR
• Description: MOD5234 10/100 ETHERNET MODULE
• Manufacturer: NetBurner Inc
• Type: Controllers & Processorsr

Specifications of MOD5234-100IR

• Interface: I²C, SPI, UART
• Voltage - Supply: 2.5V
• Mounting Type: Surface Mount
• Package / Case: Module
• Product: Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Format: -
• Baud Rates: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q4483564

}
Freescale Semiconductor
break;
}
MACSR.V = MACSR.PAVx
MACSR.N = ACCx[47]
if (ACCx[47:0] == 0x0000_0000_0000)
if (ACCx[47:32] == 0x0000)
then MACSR.Z = 1
else MACSR.Z = 0
then MACSR.EV = 0
else MACSR.EV = 1
/* zero-fill to 48 bits before performing any scaling */
/* scale product before combining with accumulator */
switch (SF)
{
}
/* combine with accumulator */
if (MACSR.PAVx == 0)
/* check for accumulation overflow */
if (accumulationOverflow == 1)
/* transfer the result to the accumulator */
ACCx[47:0] = result[47:0]
}
then {if (inst == MSAC)
}
then {MACSR.PAVx = 1
}
case 0:
case 1:
case 2:
case 3:
break;
product[40:0] = {product[39:0], 0}
break;
break;
product[39:0] = {0, product[39:1]}
break;
product[47:40] = 0
MACSR.V = 1
if (inst == MSAC && MACSR.OMC == 1)
then result[47:0] = ACCx[47:0] - product[47:0]
else result[47:0] = ACCx[47:0] + product[47:0]
then result[47:0] = 0x0000_0000_0000
else if (MACSR.OMC == 1)
MCF5235 Reference Manual, Rev. 2
/* 2-bit scale factor */
/* no scaling specified */
/* SF = “<< 1” */
/* reserved encoding */
/* SF = “>> 1” */
then /* overflowed MAC,
result[47:0] = 0xffff_ffff_ffff
result[47:0] = 0xffff_ffff_ffff
saturationMode enabled */
/* zero-fill upper byte */
EMAC Instruction Set Summary
4-19