HD64F3687GFPV Renesas Electronics America, HD64F3687GFPV Datasheet - Page 97

• Manufacturer Part Number: HD64F3687GFPV
• Description: IC H8 MCU FLASH 56K 64LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of HD64F3687GFPV

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 45
• Program Memory Size: 56KB (56K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 64-LQFP
• Package: 64LQFP
• Family Name: H8
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 16|32 Bit
• Number Of Programmable I/os: 45
• Interface Type: I2C/SCI
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• For Use With: R0K436079S000BE - KIT DEV FOR H8/36079 W/COMPILER
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

2.2.25 (2) DEC (W)
Notes
An overflow is caused by the operations H'8000 – 1
H'8001 – 2
DEC (DECrement)
Operation
Rd – 1
Rd – 2
Assembly-Language Format
DEC.W #1, Rd
DEC.W #2, Rd
Operand Size
Word
Description
This instruction subtracts the immediate value 1 or 2 from the contents of a 16-bit register Rd
(destination register) and stores the result in the 16-bit register Rd.
Available Registers
Rd: R0 to R7, E0 to E7
Operand Format and Number of States Required for Execution
Register direct
Register direct
Addressing
Mode
Rd
Rd
H'7FFF.
Mnemonic
DEC.W
DEC.W
Operands
#1, Rd
#2, Rd
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 (the
C: Previous value remains unchanged.
2nd byte
D
5
H'7FFF, H'8000 – 2
cleared to 0.
cleared to 0.
previous value in Rd was H'8000);
otherwise cleared to 0.
Instruction Format
— —
I
Rev. 3.00 Dec 13, 2004 page 81 of 258
rd
rd
UI
Section 2 Instruction Descriptions
—
H
3rd byte
—
U
I
N
4th byte
H'7FFE, and
REJ09B0213-0300
Z
Decrement
V
States
No. of
—
C
2
2