ADSP-BF537 Blackfin Processor Hardware Reference
12-67
SPORT Controllers
SPORTx_CHNL Register
The 10-bit
CHNL
field in the SPORTx current channel register
(
SPORTx_CHNL
) indicates which channel is currently being serviced during
multichannel operation. This field is a read-only status indicator. The
CHNL[9:0]
field increments by one as each channel is serviced. The
counter stops at the upper end of the defined window. The channel select
register restarts at 0 at each frame sync. As an example, for a window size
of 8 and an offset of 148, the counter displays a value between 0 and 156.
Figure 12-39. SPORTx Multichannel Configuration Register 2
15 14
13 12
11 10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SPORTx Multichannel Configuration Register 2 (SPORTx_MCMC2)
0x - Bypass mode
10 - Recover 2 MHz clock
from 4 MHz
11 - Recover 8 MHz clock
from 16 MHz
MCDTXPE (Multichannel
DMA Transmit Packing)
MCCRM[1:0] (2X Clock
Recovery Mode)
FSDR (Frame Sync to Data Relationship)
0 - Disabled
1 - Enabled
Reset = 0x0000
0 - Normal
1 - Reversed, H.100 mode
MCDRXPE (Multichannel
DMA Receive Packing)
0 - Disabled
1 - Enabled
Delay between frame sync pulse and the
first data bit in Multichannel mode
MFD[3:0] (Multichannel
Frame Delay)
0 - Multichannel operations disabled
1 - Multichannel operations enabled
MCMEN (Multichannel Frame Mode Enable)
SPORT0:
0xFFC0 083C
SPORT1:
0xFFC0 093C
Summary of Contents for Blackfin ADSP-BF537
Page 42: ...Contents xlii ADSP BF537 Blackfin Processor Hardware Reference ...
Page 90: ...Development Tools 1 32 ADSP BF537 Blackfin Processor Hardware Reference ...
Page 138: ...Programming Examples 4 26 ADSP BF537 Blackfin Processor Hardware Reference ...
Page 340: ...SDC Programming Examples 6 84 ADSP BF537 Blackfin Processor Hardware Reference ...
Page 606: ...Programming Examples 9 94 ADSP BF537 Blackfin Processor Hardware Reference ...
Page 660: ...Programming Examples 10 54 ADSP BF537 Blackfin Processor Hardware Reference ...
Page 720: ...Electrical Specifications 11 60 ADSP BF537 Blackfin Processor Hardware Reference ...
Page 840: ...Programming Examples 13 42 ADSP BF537 Blackfin Processor Hardware Reference ...
Page 876: ...Programming Examples 14 36 ADSP BF537 Blackfin Processor Hardware Reference ...
Page 938: ...Programming Examples 15 62 ADSP BF537 Blackfin Processor Hardware Reference ...
Page 958: ...Programming Examples 17 12 ADSP BF537 Blackfin Processor Hardware Reference ...
Page 986: ...Programming Examples 18 28 ADSP BF537 Blackfin Processor Hardware Reference ...
Page 1162: ...G 26 ADSP BF537 Blackfin Processor Hardware Reference ...
Page 1218: ...Index I 56 ADSP BF537 Blackfin Processor Hardware Reference ...