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TMS320F Datasheet(PDF) 175 Page - Texas Instruments

Part # TMS320F
Description  CPU and Instruction Set
PDF  389 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMS320F Datasheet(HTML) 175 Page - Texas Instruments

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Load Low Accumulator and Clear High Accumulator
LACL
7-75
Assembly Language Instructions
Cycles for a Single LACL Instruction (Using Direct and Indirect Addressing)
Program
Operand
ROM
DARAM
SARAM
External
DARAM
1
1
1
1+p
SARAM
1
1
1, 2†
1+p
External
1+d
1+d
1+d
2+d+p
† If the operand and the code are in the same SARAM block
Cycles for a Repeat (RPT) Execution of an LACL Instruction (Using Direct
and Indirect Addressing)
Program
Operand
ROM
DARAM
SARAM
External
DARAM
n
n
n
n+p
SARAM
n
n
n, n+1†
n+p
External
n+nd
n+nd
n+nd
n+1+p+nd
† If the operand and the code are in the same SARAM block
Cycles for a Single LACL Instruction (Using Immediate Addressing)
ROM
DARAM
SARAM
External
1
1
1
1+p
Example 1
LACL
1
;(DP = 6: addresses 0300h–037Fh)
Before Instruction
After Instruction
Data Memory
Data Memory
301h
0h
301h
0h
ACC
X
7FFFFFFFh
ACC
X
0h
CC
Example 2
LACL
*–,AR4
Before Instruction
After Instruction
ARP
0
ARP
4
AR0
401h
AR0
400h
Data Memory
Data Memory
401h
00FFh
401h
00FFh
ACC
X
7FFFFFFFh
ACC
X
0FFh
CC
Cycles



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