Datasheet

Data Sheet AD9780/AD9781/AD9783
Rev. B | Page 21 of 32
SPI REGISTER MAP
Table 11.
Register Name Addr Default Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
SPI Control 0x00 0x00 SDIO_DIR LSBFIRST RESET
Data Control 0x02 0x00 DATA INVDCO
Power-Down 0x03 0x00 PD_DCO PD_INPT PD_AUX2 PD_AUX1 PD_BIAS PD_CLK PD_DAC2 PD_DAC1
Setup and Hold
0x04
0x00
SET[3:0]
HLD[3:0]
Timing Adjust 0x05 0x00 SAMP_DLY[4:0]
Seek 0x06 0x00 LVDS low LVDS high SEEK
Mix Mode 0x0A 0x00 DAC1MIX[1:0] DAC2MIX[1:0]
DAC1 FSC 0x0B 0xF9 DAC1FSC[7:0]
DAC1 FSC MSBs 0x0C 0x01 DAC1FSC[9:8]
AUXDAC1 0x0D 0x00 AUXDAC1[7:0]
AUXDAC1 MSB 0x0E 0x00 AUX1SGN AUX1DIR AUXDAC1[9:8]
DAC2 FSC 0x0F 0xF9 DAC2FSC[7:0]
DAC2 FSC MSBs
0x10
0x01
DAC2FSC[9:8]
AUXDAC2 0x11 0x00 AUXDAC2[7:0]
AUXDAC2 MSB 0x12 0x00 AUX2SGN AUX2DIR AUXDAC2[9:8]
BIST Control
0x1A
0x00
BISTEN
BISTRD
BISTCLR
BIST Result 1 Low 0x1B 0x00 BISTRES1[7:0]
BIST Result 1 High 0x1C 0x00 BISTRES1[15:8]
BIST Result 2 Low 0x1D 0x00 BISTRES2[7:0]
BIST Result 2 High 0x1E 0x00 BISTRES2[15:8]
Hardware Version 0x1F N/A VERSION[3:0] DEVICE[3:0]