ADATE305 datasheet(47/56 Pages) AD

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ADATE305

Rev. 0 | Page 47 of 56

Step 2. Write to Register ADDR[4:0] = 0x0E (see Table 43).

Table 43.

Bits

Setting

Comments

PMU State Register, ADDR[4:0] = 0x0E

DATA[9:8]

Set 2.5 V + DUTGND input selection

DATA[7]

DATA[6]

DATA[5]

DATA[4]

DATA[3]

Set to force current mode

DATA[2:0]

0XX

2 μA range has the minimum offset current

Step 3. Write to Register ADDR[4:0] = 0x0B (see Table 44).

Table 44.

Bits

Setting

Comments

VIN 16-Bit DAC, ADDR[4:0] = 0x0B

DATA[15:0]

Update the VIN 16-Bit DAC register to the

desired value

Step 4. Write to Register ADDR[4:0] = 0x0E (see Table 45).

Table 45.

Bits

Setting

Comments

PMU State Register, ADDR[4:0] = 0x0E

DATA[9:8]

Set VIN input selection

DATA[7]

DATA[6]

DATA[5]

DATA[4]

DATA[3]

DATA[2:0]

XXX

Set to the desired current range

Transition from PMU Force Current Mode to PMU Force Voltage Mode

Step 1

. Table 46 lists the state of the registers in force current mode.

Table 46.

Bits

Setting

PE/PMU Enable Register, ADDR[4:0] = 0x0C

DATA[2]

PMU State Register, ADDR[4:0] = 0x0E

DATA[9:8]

DATA[7]

DATA[6]

DATA[5]

DATA[4]

DATA[3]

DATA[2:0]

XXX

Step 2

. Write to Register ADDR[4:0] = 0x0E (see Table 47).

Table 47.

Bits

Setting

Comments

PMU State Register, ADDR[4:0] = 0x0E

DATA[9:8]

Set DUTGND input selection

DATA[7]

DATA[6]

DATA[5]

DATA[4]

DATA[3]

Set to force voltage mode

DATA[2:0]

XXX

Set to the desired current range

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