DF2148BFA20 Renesas Electronics America, DF2148BFA20 Datasheet - Page 102

• 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

Section 2 Instruction Descriptions
2.2.20
BTST (Bit TeST)
Operation
Assembly-Language Format
BTST #xx:3, <EAd>
BTST Rn, <EAd>
Operand Size
Byte
Description
This instruction tests a specified bit in the destination operand and sets or clears the zero flag
according to the result. The bit number can be specified by 3-bit immediate data, or by the lower
three bits of an 8-bit register Rn. The destination operand contents remain unchanged.
Available Registers
Rd: R0L to R7L, R0H to R7H
ERd: ER0 to ER7
Rn: R0L to R7L, R0H to R7H
Rev. 4.00 Feb 24, 2006 page 86 of 322
REJ09B0139-0400
(<Bit No.> of <EAd>)
BTST
<EAd>
Bit No.
Z
7
Specified by #xx:3 or Rn
Test
Condition Code
H: Previous value remains unchanged.
N: Previous value remains unchanged.
Z: Set to 1 if the specified bit is zero;
V: Previous value remains unchanged.
C: Previous value remains unchanged.
otherwise cleared to 0.
—
I
UI H
—
—
—
U
0
—
N
Z
— —
V
Bit Test
C