DF2148BFA20 Renesas Electronics America, DF2148BFA20 Datasheet - Page 221
DF2148BFA20
Manufacturer Part Number
DF2148BFA20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148BFA20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SCI, X-Bus
Peripherals
PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K 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; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148BFA20
HD64F2148BFA20
HD64F2148BFA20
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2.2.58 (2)
SHAR (SHift Arithmetic Right)
Operation
Rd (right arithmetic shift)
Assembly-Language Format
SHAR.B #2, Rd
Operand Size
Byte
Description
This instruction shifts the bits in an 8-bit register Rd (destination operand) two bits to the right. Bit
1 shifts into the carry flag. Bits 7 and 6 receive the previous value of bit 7. Since bit 7 remains
unaltered, the sign does not change.
Available Registers
Rd: R0L to R7L, R0H to R7H
Operand Format and Number of States Required for Execution
Notes
Register direct
Addressing
Mode
SHAR (B)
Mnemonic
SHAR.B
MSB
b7
Rd
Operands
b6
#2, Rd
b5
1st byte
1
. . .
1
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: Always cleared to 0.
C: Receives the previous value in bit 1.
2nd byte
C
Instruction Format
cleared to 0.
cleared to 0.
Rev. 4.00 Feb 24, 2006 page 205 of 322
—
I
b1
rd
UI H
—
LSB
b0
Section 2 Instruction Descriptions
—
3rd byte
—
U
C
N
4th byte
REJ09B0139-0400
Shift Arithmetic
Z
V
0
States
No. of
C
1
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