ADATE302-02 Datasheet, PDF (47/52 Pages) Analog Devices – 500 MHz Dual Integrated DCL with Differential Drive/Receive, Level Setting DACs, and Per Pin PMU

Transition from PMU Force Current Mode to PMU Force Voltage Mode
Step 1: See Table 45 for state of registers in force current mode.
Table 45.
Register
PE/PMU Enable Register, ADDR[4:0] = 0x0C
PMU State Register, ADDR[4:0] = 0x0E
Bits
DATA[2]
DATA[9:8]
DATA[7]
DATA[6]
DATA[5]
DATA[4]
DATA[3]
DATA[2:0]
Setting
1
XX
X
X
X
X
1
XXX
Step 2: Write to Register ADDR[4:0] = 0x0E (see Table 46).
Table 46.
Register
PMU State Register, ADDR[4:0] = 0x0E
Bits
DATA[9:8]
DATA[7]
DATA[6]
DATA[5]
DATA[4]
DATA[3]
DATA[2:0]
Setting
00
X
X
X
X
0
XXX
Step 3: Write to Register ADDR[4:0] = 0x0B (see Table 47).
Table 47.
Register
PMUDAC Level, ADDR[4:0] = 0x0B
Bits
DATA[15:0]
Setting
X
Step 4: Write to Register ADDR[4:0] = 0x0E (see Table 48).
Table 48.
Register
PMU State Register, ADDR[4:0] = 0x0E
Bits
DATA[9:8]
DATA[7]
DATA[6]
DATA[5]
DATA[4]
DATA[3]
DATA[2:0]
Setting
1X
X
X
X
X
0
XXX
ADATE302-02
Comments
Set DUTGND input selection
Set to force voltage mode
Set to the desired current range
Comments
Update the PMUDAC level register to the
desired value
Comments
PMUDAC input selection
Force voltage mode
Rev. 0 | Page 47 of 52