MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 285

• Manufacturer Part Number: MC68EC000EI20
• Description: IC MPU 32BIT 20MHZ 68-PLCC
• Manufacturer: Freescale Semiconductor

Specifications of MC68EC000EI20

• Processor Type: M680x0 32-Bit
• Speed: 20MHz
• Voltage: 3.3V, 5V
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

SUBQ
Operation:
Assembler
Syntax:
Attributes:
Description: Subtracts the immediate data (1 – 8) from the destination operand. The size
Condition Codes:
Instruction Format:
MOTOROLA
15
0
of the operation is specified as byte, word, or long. Only word and long operations can
be used with address registers, and the condition codes are not affected. When
subtracting from address registers, the entire destination address register is used,
despite the operation size.
X — Set to the value of the carry bit.
N — Set if the result is negative; cleared otherwise.
Z — Set if the result is zero; cleared otherwise.
V — Set if an overflow occurs; cleared otherwise.
C — Set if a borrow occurs; cleared otherwise.
14
1
X
13
0
N
12
1
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
Destination – Immediate Data
SUBQ # < data > , < ea >
Size = (Byte, Word, Long)
Z
11
V
DATA
10
C
Subtract Quick
9
(M68000 Family)
8
1
7
SIZE
6
Destination
5
MODE
4
EFFECTIVE ADDRESS
3
Integer Instructions
2
SUBQ
REGISTER
1
4-181
0