Texas Instruments AM335 Series Technical Reference Manual

Stream A
Destination
Address
A4i
A12i
A3iA2iA1i
A9i A10i A11i
A7iA6iA5i
A13i ... ...
A8i
B6i
B9i B10i B11i B12i B13i ...
B1i B2i B3i B4i B5i
...
B8i
B7i
..B5..A5..B4..A4..B3..A3..B2..A2..B1..A1
Stream B
Destination
Address
B6o
A6o
B2oB1o
B9o B10o
A9o A10o
B5oB4oB3o
B11o B12o B13o ...
A11o A12o A13o ...
A1o A2o A3o A4o A5o
B7o B8o
...
...
A8oA7oStream A
Source
Address
Stream B
Source
Address
A1..B1..A2..B2..A3..B3..A4..B4..A5..B5
Pong
DAT
RSR
A11o
B3o
B11oB9o B10o
B1o
A9o
B2o
A10o
B13oB12o ...
A13o
B5oB4o
A12o
B6o
...
B11i
B3i
A3oA1o A2o
B9i
B1i
B10i
B2i
A5o
A4o A6o
B13i
B5i
B12i
B4i
...
B6i
...
B8oB7o
...
A8oA7o
...
B7i B8i
A3i
A11iA9i
A1i
A10i
A2i A5i
A13iA12i
A4i
...
A6i
Ping
...
A7i A8i
AREVT
McASP RX Register
DAT
AXEVT
XSR
Stream A
Destination
Address
Stream B
Destination
Address
Stream A
Source
Address
Stream B
Source
Address
McASP TX Register
www.ti.com Functional Description
Figure 11-35. Ping-Pong Buffering for McASP Data Example
Figure 11-36. Ping-Pong Buffering for McASP Example PaRAM Configuration
(a) EDMA Parameters for Channel 15 (Using PaRAM Set 15 Linked to Pong Set 64)
Parameter Contents Parameter
0010 D000h Channel Options Parameter (OPT)
McASP RX Register Channel Source Address (SRC)
0080h 0001h Count for 2nd Dimension (BCNT) Count for 1st Dimension (ACNT)
Channel Destination Address (DST) Channel Destination Address (DST)
0001h 0000h Destination BCNT Index (DSTBIDX) Source BCNT Index (SRCBIDX)
0080h 4800h BCNT Reload (BCNTRLD) Link Address (LINK)
0000h 0000h Destination CCNT Index (DSTCIDX) Source CCNT Index (SRCCIDX)
0000h 0001h Reserved Count for 3rd Dimension (CCNT)
(b) Channel Options Parameter (OPT) Content for Channel 15
31 30 28 27 24 23 22 21 20 19 18 17 16
0 000 0000 0 0 0 1 00 00
PRIV Reserved PRIVID ITCCHEN TCCHEN ITCINTEN TCINTEN Reserved TCC
15 12 11 10 8 7 4 3 2 1 0
1101 0 000 0000 0 0 0 0
TCC TCCMOD FWID Reserved STATIC SYNCDIM DAM SAM
931
SPRUH73H–October 2011–Revised April 2013 Enhanced Direct Memory Access (EDMA)
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Texas Instruments AM335 Series Specifications

General

Brand	Texas Instruments
Model	AM335 Series
Category	Computer Hardware
Language	English