HD64F7044F28V Renesas Electronics America, HD64F7044F28V Datasheet - Page 340

• 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
6.3.7
Format
PCMP Sx, Sy
Description: Subtracts the contents of the Sy operand from the Sx operand. The DC bit of the
DSR register is updated according to the specifications for the CS bits. The N, Z, V, and GT bits
of the DSR register are also updated.
Operation:
Rev. 5.00 Jun 30, 2004 page 324 of 512
REJ09B0171-0500O
/* PCMP Sx,Sy
{
unsigned char carry_bit, borrow_bit, negative_bit, zero_bit,
overflow_bit;
/* ALU Sources assignment */
switch (xx) {
}
PCMP (Compare Two Data): DSP Arithmetic Operation Instruction
case 0x0: DSP_ALU_SRC1
case 0x1: DSP_ALU_SRC1
case 0x2: DSP_ALU_SRC1
case 0x3: DSP_ALU_SRC1
Abstract
Sx–Sy
if (DSP_ALU_SRC1_MSB) DSP_ALU_SRC1G = 0xff;
else
break;
if (DSP_ALU_SRC1_MSB) DSP_ALU_SRC1G = 0xff;
else
break;
DSP_ALU_SRC1G = A0G;
break;
DSP_ALU_SRC1G = A1G;
break;
*/
/* Sx Operand selection bit (xx) */
Code
111110**********
10000100xxyy0000
DSP_ALU_SRC1G = 0x0;
DSP_ALU_SRC1G = 0x0;
= X0;
= X1;
= A0;
= A1;
Cycle DC Bit
1
Update —
SH-1 SH-2
Instructions
Applicable
—
SH-
DSP