Analog Devices adsp-2100 Manual page 298

SCLK
DT MSB
TFS
Figure 13.4 SPORT To AD766 DAC Timing
The configuration of the SPORT control registers for this application is
shown in Figure 13.5.
15 14 13 12
1
SCLK generated internally
Transmit framing required
Alternate transmit framing
Internally generated TFS
Figure 13.5 SPORT To AD766 DAC Control Register Settings
Hardware Examples
SPORT0 Control Register: 0x3FF6
SPORT1 Control Register: 0x3FF2
11 10 9 8 7
1 1 1 0
LSB MSB
Latches data into DAC
6 5 4 3 2
0 0 1 1
Word Length = 16 bits
Data format = right justify, zero fill
Non-inverted TFS
13
1 0
1 1
13 – 9