DF2398F20 Renesas Electronics America, DF2398F20 Datasheet - Page 254

• Manufacturer Part Number: DF2398F20
• Description: IC H8S MCU FLASH 256K 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2398F20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 87
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2398F20; HD64F2398F20

Section 2 Instruction Descriptions
2.2.67
SUBX (SUBtract with eXtend carry)
Operation
Rd – (EAs) – C
Assembly-Language Format
SUBX <EAs>, Rd
Operand Size
Byte
Description
This instruction subtracts the source operand and carry flag from the contents of an 8-bit register
Rd (destination operand) and stores the result in the 8-bit register Rd.
Available Registers
Rd: R0L to R7L, R0H to R7H
Operand Format and Number of States Required for Execution
Notes
Rev. 4.00 Feb 24, 2006 page 238 of 322
REJ09B0139-0400
Immediate
Register direct
Addressing
Mode
SUBX
Mnemonic
Rd
SUBX
SUBX
Operands
#xx:8, Rd
Rs, Rd
1st byte
B
1
rd
E
Condition Code
H: Set to 1 if there is a borrow at bit 3;
N: Set to 1 if the result is negative; otherwise
Z: Previous value remains unchanged when
V: Set to 1 if an overflow occurs; otherwise
C: Set to 1 if there is a borrow at bit 7;
2nd byte
rs
Instruction Format
otherwise cleared to 0.
cleared to 0.
the result is zero; otherwise cleared to 0.
cleared to 0.
otherwise cleared to 0.
IMM
—
I
rd
UI H
—
3rd byte
—
U
Subtract with Borrow
N
4th byte
Z
V
States
No. of
C
1
1