MC68EC000EI12 Freescale Semiconductor, MC68EC000EI12 Datasheet - Page 281

• Manufacturer Part Number: MC68EC000EI12
• Description: IC MPU 32BIT 12MHZ 68-PLCC
• Manufacturer: Freescale Semiconductor
• Series: 68K - M680X0r

Specifications of MC68EC000EI12

• Processor Type: M680x0 32-Bit
• Speed: 12MHz
• Voltage: 3.3V, 5V
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Core Size: 32 Bit
• Cpu Speed: 12MHz
• Digital Ic Case Style: PLCC
• No. Of Pins: 68
• Supply Voltage Range: 3V To 3.6V
• Operating Temperature Range: 0°C To +70°C
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Clock Frequency: 12MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

SUBA
Operation:
Assembler
Syntax:
Attributes:
Description: Subtracts the source operand from the destination address register and stores
Condition Codes:
Instruction Format:
Instruction Fields:
MOTOROLA
15
1
Not affected.
Register field—Specifies the destination, any of the eight address registers.
the result in the address register. The size of the operation is specified as word or long.
Word-sized source operands are sign-extended to 32-bit quantities prior to the
subtraction.
Opmode field—Specifies the size of the operation.
011— Word operation. The source operand is sign-extended to a long operand and
111— Long operation.
14
0
13
0
the operation is performed on the address register using all 32 bits.
12
1
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
Destination – Source
SUBA < ea > ,An
Size = (Word, Long)
11
REGISTER
10
Subtract Address
9
(M68000 Family)
8
Destination
OPMODE
7
6
5
MODE
4
EFFECTIVE ADDRESS
3
Integer Instructions
2
SUBA
REGISTER
1
4-177
0