Datasheet

AD5629R/AD5669R Data Sheet
Rev. B | Page 26 of 32
Table 12. Power-Down Modes of Operation
DB9 DB8 Operating Mode
0 0 Normal operation
Power-down modes
0 1 1 kΩ to GND
1 0 100 kΩ to GND
1 1 Three-state
Table 13. 32-Bit Input Shift Register Contents for Power-Down/Power-Up Function
MSB LSB
DB23 DB22 DB21 DB20 DB19 to DB16 DB15 to DB10 DB9 DB8 DB7 to DB1 DB0
0 1 0 0 X X PD1 PD0 DAC H to DAC B DAC A
Command bits (C3 to C0) Address bits (A3 to A0)—
don’t cares
Don’t cares Power-
down mode
Power-down/power-up channel selection—
set bit to 1 to select
Table 14. 32-Bit Input Shift Register Contents for Clear Code Function
MSB LSB
DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 to DB2 DB1 DB0
0
1
0
1
X
X
X
X
X
CR1
CR0
Command bits (C3 to C0) Address bits (A3 to A0)—don’t cares Don’t cares Clear code register
Table 15. Clear Code Register
Clear Code Register
DB1 DB0
CR1 CR0 Clears to Code
0 0 0x0000
0 1 0x8000
1 0 0xFFFF
1
1
No operation