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TMS320F Datasheet(PDF) 183 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) 183 Page - Texas Instruments

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Load Data Page Pointer
LDP
7-83
Assembly Language Instructions
Cycles for a Single LDP Instruction (Using Direct and Indirect Addressing)
Program
Operand
ROM
DARAM
SARAM
External
DARAM
2
2
2
2+pcode
SARAM
2
2
2, 3†
2+pcode
External
2+dsrc
2+dsrc
2+dsrc
3+dsrc+pcode
† If the operand and the code are in the same SARAM block
Cycles for a Repeat (RPT) Execution of an LDP Instruction (Using Direct and
Indirect Addressing)
Program
Operand
ROM
DARAM
SARAM
External
DARAM
2n
2n
2n
2n+pcode
SARAM
2n
2n
2n, 2n+1†
2n+pcode
External
2n+ndsrc
2n+ndsrc
2n+ndsrc
2n+1+ndsrcpcode
† If the operand and the code are in the same SARAM block
Cycles for a Single LDP Instruction (Using Short Immediate Addressing)
ROM
DARAM
SARAM
External
2
2
2
2+pcode
Example 1
LDP
127
;(DP = 511: addresses FF80h–FFFFh)
Before Instruction
After Instruction
Data Memory
Data Memory
FFFFh
FEDCh
FFFFh
FEDCh
DP
1FFh
DP
0DCh
Example 2
LDP
#0h
Before Instruction
After Instruction
DP
1FFh
DP
0h
Example 3
LDP
*,AR5
Before Instruction
After Instruction
ARP
4
ARP
5
AR4
300h
AR4
300h
Data Memory
Data Memory
300h
06h
300h
06h
DP
1FFh
DP
06h
Cycles



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