SMJ320C80 Datasheet, PDF (66/157 Pages) Texas Instruments – DIGITAL SIGNAL PROCESSOR

SMJ320C80
DIGITAL SIGNAL PROCESSOR
SGUS025B – AUGUST 1998 – REVISED JUNE 2002
PT-options field
The PT-options field of the parameter table controls the type of src and dst transfer that the TC performs. The
format of the options field is shown in Figure 52.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
S PTS I
R
C
D
R
D
B
R
A
R
S
C
R
S
B
X PAM
STM
SUM
DTM
DUM
S
PTS
I
RDC
RDB
RA
RSC
RSB
X
Stop bit
PT status
00 – Active
10 – Fault on src
01 – Suspended
11 – Fault on dst
Interrupt when complete
Reverse dst C addressing
Reverse dst B addressing
Reverse A addressing
Reverse src C addressing
Reverse src B addressing
Exchange src and dst parameters
† _{Valid for src only.}
PAM
STM/DTM
SUM/DUM
PT Access Mode
000 – Normal
100 – 8 Bit Transfer
001 – PDT
101 – 16 Bit Transfer
010 – Block Write 110 – 32 bit Transfer
011 – SRT
111 – 64 Bit Transfer
src/dst Transfer Mode
000 – Dimensioned 100 – Var Delta-Guided
001 – Fill^†
101 – Var Offset-Guided
010 – Reserved
011 – LUT^†
110 – Fixed Delta-Guided
111 – Fixed Offset-Guided
src/dst update mode
00 – None
01 – Add C Pitch
01 – Add B Pitch 11 – Add C Pitch/Reverse
Figure 52. PT-Options Field
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