HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 112

IC H8S MCU FLASH 256K 128-QFP

HD64F2638F20J

Manufacturer Part Number
HD64F2638F20J
Description
IC H8S MCU FLASH 256K 128-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Datasheets

Specifications of HD64F2638F20J

Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SmartCard
Peripherals
Motor Control PWM, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Section 2 Instruction Descriptions
2.2.25
DAS
DAS (Decimal Adjust Subtract)
Operation
Rd (decimal adjust)
Rd
Assembly-Language Format
DAS Rd
Operand Size
Byte
Description
Given that the result of a subtraction operation performed by a SUB.B, SUBX.B, or NEG.B
instruction on 4-bit BCD data is contained in an 8-bit register Rd and the carry and half-carry
flags, the DAS instruction adjusts the contents of the 8-bit register Rd (destination operand) by
adding H'00, H'FA, H'A0, or H'9A according to the table below.
C Flag
Upper 4 Bits
before
before
Adjustment
Adjustment
0
0 to 9
0
0 to 8
1
7 to F
1
6 to F
Available Registers
Rd: R0L to R7L, R0H to R7H
Rev. 4.00 Feb 24, 2006 page 96 of 322
REJ09B0139-0400
Condition Code
I
UI H
H: Undetermined (no guaranteed value).
N: Set to 1 if the adjusted result is negative;
otherwise cleared to 0.
Z: Set to 1 if the adjusted result is zero;
otherwise cleared to 0.
V: Undetermined (no guaranteed value).
C: Previous value remains unchanged.
H Flag
Lower 4 Bits
before
before
Adjustment
Adjustment
0
0 to 9
1
6 to F
0
0 to 9
1
6 to F
Decimal Adjust
U
N
Z
V
C
*
*
0
Value
C Flag
Added
after
(Hexadecimal)
Adjustment
00
0
FA
0
A0
1
9A
1

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