HD6417041AVF16V Renesas Electronics America, HD6417041AVF16V Datasheet - Page 272

• Manufacturer Part Number: HD6417041AVF16V
• Description: IC SUPERH MCU ROMLESS 144QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7040r

Specifications of HD6417041AVF16V

• 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): 3 V ~ 3.6 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
6.1.65
Format
SUBC Rm,Rn
Description: Subtracts Rm data and the T bit value from general register Rn data, and stores the
result in Rn. The T bit changes according to the result. This instruction is used for subtraction of
data that has more than 32 bits.
Operation:
Examples:
Rev. 5.00 Jun 30, 2004 page 256 of 512
REJ09B0171-0500O
SUBC(long m,long n) /* SUBC Rm,Rn */
{
}
CLRT
SUBC
SUBC
unsigned long tmp0,tmp1;
tmp1=R[n]-R[m];
tmp0=R[n];
R[n]=tmp1-T;
if (tmp0<tmp1) T=1;
else T=0;
if (tmp1<R[n]) T=1;
PC+=2;
SUBC (Subtract with Carry): Arithmetic Instruction
R3,R1
R2,R0
Abstract
Rn – Rm– T
Borrow
; After execution:
; R0:R1(64 bits) – R2:R3(64 bits) = R0:R1(64 bits)
; Before execution:
; After execution:
; Before execution:
T
Rn,
Code
0011nnnnmmmm1010
T = 0, R1 = H'00000000, R3 = H'00000001
T = 1, R1 = H'FFFFFFFF
T = 1, R0 = H'00000000, R2 = H'00000000
T = 1, R0 = H'FFFFFFFF
Cycle
1
T Bit
Borrow
SH-1
Instructions
Applicable
SH-2
SH-
DSP