Sundance SMT399-160 - Manual (Page 29)

5.4.23 DDS0 Register – 0x16 – RAM Segment Control Word
2.
For more details, refer to AD9954 datasheet.
DDS0 Register – 0x16 – RAM Segment Control Word 2
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 RAM Segment 2 Mode Control No Dwell
Active
RAM Segment 2 Beginning Address[9:6]
Default ‘000’ ‘0’ ‘0000’
1 RAM Segment 2 Beginning Address[5:0] RAM Segment 2 Final
Address[9:8]
Default ‘000000’ ‘00’
5.4.24 DDS0 Register – 0x17 – RAM Segment Control Word
2.
For more details, refer to AD9954 datasheet.
DDS0 Register – 0x17 – RAM Segment Control Word 2
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 RAM Segment 2 Final Address[7:0]
Default ‘00000000’
1 RAM Segment 2 Address Ramp Rate[15:8]
Default ‘00000000’
5.4.25 DDS0 Register – 0x18 – RAM Segment Control Word
2.
For more details, refer to AD9954 datasheet.
DDS0 Register – 0x18 – RAM Segment Control Word 2
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 RAM Segment 2 Address Ramp Rate[7:0]
Default ‘00000000’
1 Not Used
Default ‘00000000’
5.4.26 DDS0 Register – 0x19 – RAM Segment Control Word
3.
For more details, refer to AD9954 datasheet.
DDS0 Register – 0x19 – RAM Segment Control Word 3
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 RAM Segment 3 Mode Control No Dwell
Active
RAM Segment 3 Beginning Address[9:6]
Default ‘000’ ‘0’ ‘0000’
1 RAM Segment 3 Beginning Address[5:0] RAM Segment 3 Final
Address[9:8]
Default ‘000000’ ‘00’
User Manual SMT399-160 Page 29 of 39 Last Edited: 24/05/2007 17:12:00