Tblw – Texas Instruments TMS320C2XX User Manual
Page 344
Table Write
TBLW
7-191
Assembly Language Instructions
Cycles for a Repeat (RPT) Execution of a TBLW Instruction (Continued)
Program
Operand
ROM
DARAM
SARAM
External
Source: DARAM/ROM
Destination: SARAM
n+2
n+2
n+2
n+3
†
n+2+p
code
Source: SARAM
Destination: SARAM
n+2
2n
‡
n+2
2n
‡
n+2
2n
‡
2n+1
§
n+2+p
code
2n
‡
Source: External
Destination: SARAM
n+2+nd
src
n+2+nd
src
n+2+nd
src
n+3+nd
src
†
n+2+nd
src
+p
code
Source: DARAM/ROM
Destination: External
2n+2+np
dst
2n+2+np
dst
2n+2+np
dst
2n+3+np
dst
+p
code
Source: SARAM
Destination: External
2n+2+np
dst
2n+2+np
dst
2n+2+np
dst
2n+3+np
dst
+p
code
Source: External
Destination: External
4n+nd
src
+np
dst
4n+nd
src
+np
dst
4n+nd
src
+np
dst
4n+1+nd
src
+np
dst
+
p
code
† If the destination operand and the code are in the same SARAM block
‡ If both the source and the destination operands are in the same SARAM block
§ If both operands and the code are in the same SARAM block
Example 1
TBLW
DAT5
;(DP = 32: addresses 1000h–107Fh)
Before Instruction
After Instruction
ACC
257h
ACC
257h
Data Memory
Data Memory
1005h
4339h
1005h
4339h
Program Memory
Program Memory
257h
306h
257h
4399h
Example 2
TBLW
*
Before Instruction
After Instruction
ARP
6
ARP
6
AR6
1006h
AR6
1006h
ACC
258h
ACC
258h
Data Memory
Data Memory
1006h
4340h
1006h
4340h
Program Memory
Program Memory
258h
307h
258h
4340h