HD64F3672FXV Renesas Electronics America, HD64F3672FXV Datasheet - Page 98

• Manufacturer Part Number: HD64F3672FXV
• Description: IC H8/3672 MCU FLASH 48LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of HD64F3672FXV

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SCI
• Peripherals: PWM, WDT
• Number Of I /o: 26
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 48-LQFP
• For Use With: R0K436079S000BE - KIT DEV FOR H8/36079 W/COMPILER
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 2 Instruction Descriptions
2.2.25 (3) DEC (L)
DEC (DECrement)
Operation
ERd – 1
ERd – 2
Assembly-Language Format
DEC.L #1, ERd
DEC.L #2, ERd
Operand Size
Longword
Description
This instruction subtracts the immediate value 1 or 2 from the contents of a 32-bit register ERd
(destination register) and stores the result in the 32-bit register ERd.
Available Registers
ERd: ER0 to ER7
Operand Format and Number of States Required for Execution
Notes
An overflow is caused by the operations H'80000000 – 1
H'7FFFFFFE, and H'80000001 – 2
Rev. 3.00 Dec 13, 2004 page 82 of 258
REJ09B0213-0300
Register direct
Register direct
Addressing
Mode
ERd
ERd
Mnemonic
DEC.L
DEC.L
Operands
#1, ERd
#2, ERd
H'7FFFFFFF.
1st byte
1
1
B
B
Condition Code
H: Previous value remains unchanged.
N: Set to 1 if the result is negative; otherwise
Z: Set to 1 if the result is zero; otherwise
V: Set to 1 if an overflow occurs; otherwise
C: Previous value remains unchanged.
2nd byte
F
7
cleared to 0.
cleared to 0.
cleared to 0.
Instruction Format
— —
I
0 erd
0 erd
H'7FFFFFFF, H'80000000 – 2
UI
—
H
3rd byte
—
U
N
4th byte
Z
Decrement
V
States
No. of
—
C
2
2