HD6417041AF28V Renesas Electronics America, HD6417041AF28V Datasheet - Page 242

• Manufacturer Part Number: HD6417041AF28V
• Description: IC SUPERH MCU ROMLESS 144QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7040r

Specifications of HD6417041AF28V

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 28.7MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 98
• Program Memory Type: ROMless
• 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: 144-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Section 6 Instruction Descriptions
6.1.48
Format
ROTCR
Description: Rotates the contents of general register Rn and the T bit to the right by one bit, and
stores the result in Rn. The bit that is shifted out of the operand is transferred to the T bit
(figure 6.4).
Operation:
Examples:
Rev. 5.00 Jun 30, 2004 page 226 of 512
REJ09B0171-0500O
ROTCR(long n) /* ROTCR Rn */
{
}
ROTCR
long temp;
if ((R[n]&0x00000001)==0) temp=0;
else temp=1;
R[n]>>=1;
if (T==1) R[n]|=0x80000000;
else R[n]&=0x7FFFFFFF;
if (temp==1) T=1;
else T=0;
PC+=2;
ROTCR (Rotate with Carry Right): Shift Instruction
Rn
R0
Abstract
T
; Before execution:
; After execution:
ROTCR
Rn
T
Figure 6.4 Rotate with Carry Right
MSB
Code
0100nnnn00100101 1
R0 = H'00000001, T = 1
R0 = H'80000000, T = 1
Cycle T Bit
LSB
LSB
T
SH-1 SH-2
Instructions
Applicable
SH-
DSP