HD64F7044F28V Renesas Electronics America, HD64F7044F28V Datasheet - Page 182

• Manufacturer Part Number: HD64F7044F28V
• Description: IC SUPERH MCU FLASH 112QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7040r

Specifications of HD64F7044F28V

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 28.7MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 74
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 112-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 6 Instruction Descriptions
6.1.20
Format
DMULS.L Rm,
Description: Performs 32-bit multiplication of the contents of general registers Rn and Rm, and
stores the 64-bit results in the MACL and MACH register. The operation is a signed arithmetic
operation.
Operation:
Rev. 5.00 Jun 30, 2004 page 166 of 512
REJ09B0171-0500O
DMULS(long m,long n)/* DMULS.L Rm,Rn */
{
unsigned
unsigned
long tempm,tempn,fnLmL;
tempn=(long)R[n];
tempm=(long)R[m];
if (tempn<0) tempn=0-tempn;
if (tempm<0) tempm=0-tempm;
if ((long)(R[n]^R[m])<0) fnLmL=-1;
else fnLmL=0;
temp1=(unsigned long)tempn;
temp2=(unsigned long)tempm;
RnL=temp1&0x0000FFFF;
RnH=(temp1>>16)&0x0000FFFF;
RmL=temp2&0x0000FFFF;
RmH=(temp2>>16)&0x0000FFFF;
DMULS.L (Double-Length Multiply as Signed): Arithmetic Instruction
Rn
Abstract
With sign, Rn
long RnL,RnH,RmL,RmH,Res0,Res1,Res2;
long temp0,temp1,temp2,temp3;
MACH, MACL
Rm
Code
0011nnnnmmmm1101 2 to 4
Cycle T Bit SH-1 SH-2
—
—
Instructions
Applicable
SH-
DSP