Mcbsp Data Transfer In The 8-Partition Mode; Transmit Channel Assignment And Control When Eight Transmit Partitions Are Used - Texas Instruments TMS320VC5501 Reference Manual

Table 5−2. Transmit Channel Assignment and Control When Eight Transmit Partitions
Are Used
Figure 5−3. McBSP Data Transfer in the 8-Partition Mode
8-partition mode
Partition A
Block 0
Channels 0-15
Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á
FS(R/X)
Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á Á
SPRU592E
Transmit Assigned Block of
Partition Transmit Channels
A Block 0: channels 0 through 15
B Block 1: channels 16 through 31
C Block 2: channels 32 through 47
D Block 3: channels 48 through 63
E Block 4: channels 64 through 79
F Block 5: channels 80 through 95
G Block 6: channels 96 through 111
H Block 7: channels 112 through 127
Figure 5−3 shows an example of the McBSP using the 8-partition mode. In
response to a frame-sync pulse, the McBSP begins a frame transfer with
partition A and then activates B, C, D, E, F, G, and H to complete a 128-word
frame.
B C D
1 2 3
16-31 32-47 48-63
E F G
4 5 6
64-79 80-95 96-111
Multichannel Selection Modes
Using Eight Partitions
Register Used For
Channel Control
XCERA
XCERB
XCERC
XCERD
XCERE
XCERF
XCERG
XCERH
H A
7 0
112-127 0-15
5-9