MC68EC000EI16 Freescale Semiconductor, MC68EC000EI16 Datasheet - Page 290
MC68EC000EI16
Manufacturer Part Number
MC68EC000EI16
Description
IC MPU 32BIT 16MHZ 68-PLCC
Manufacturer
Freescale Semiconductor
Specifications of MC68EC000EI16
Processor Type
M680x0 32-Bit
Speed
16MHz
Voltage
3.3V, 5V
Mounting Type
Surface Mount
Package / Case
68-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
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Integer Instructions
TAS
Operation:
Assembler
Syntax:
Attributes:
Description: Tests and sets the byte operand addressed by the effective address field. The
Condition Codes:
Instruction Format:
4-186
15
0
instruction tests the current value of the operand and sets the N and Z condition bits
appropriately. TAS also sets the high-order bit of the operand. The operation uses a
locked or read-modify-write transfer sequence. This instruction supports use of a flag
or semaphore to coordinate several processors.
X — Not affected.
N — Set if the most significant bit of the operand is currently set; cleared otherwise.
Z — Set if the operand was zero; cleared otherwise.
V — Always cleared.
C — Always cleared.
14
1
—
X
13
0
N
12
0
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
Destination Tested
TAS < ea >
Size = (Byte)
Z
11
1
V
0
Test and Set an Operand
10
0
C
0
9
1
(M68000 Family)
8
0
Condition Codes; 1
7
1
6
1
5
MODE
4
Bit 7 of Destination
EFFECTIVE ADDRESS
3
2
REGISTER
MOTOROLA
TAS
1
0
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