P9027LP-R Datasheet

© 2016 Integrated Device Technology, Inc

23

April 28, 2016

Table 19. Output Voltage Setting (VSET)

Byte

Address

Byte Name

Bit

Field

Typical Default

Value

Description

0x33

VSET_EN

7

R/W

0

VSET (OUT Voltage) set enable

“0” : OUT voltage set was disabled, VSET will be set from

external resistance on VSET pad.

“1”: OUT voltage set was enabled, VSET_VALUE will be used

for OUT voltage.

0x33

Reserved

6:5

-

-

Reserved.

0x33

VSET_VALUE

4:0

R/W

0

0

: OUT voltage value = 5.00 V

1:5

: Reserved

6

: OUT voltage value = 4.50 V

7, 8

: OUT voltage value = 4.75 V

9, 10

: OUT voltage value = 5.25 V

11, 12

: OUT voltage value = 5.50 V

13, 14

: OUT voltage value = 5.75 V

15, 16, 17 : OUT voltage value = 6.00 V

To have correct temperature information from ADC_TS1 and/or ADC_TS2, the correct value sensing resistor needs to be connected onto

TS1 to GND and/or TS2 to GND.

Table 20. Thermistor TS1 and TS2 Register ADC Reading

Address

Register Name

R/W

Default Function and Description

0x69 [7:0]

TS1 [7:0]

R

-

TS1 (external temperature sensor1) value read (0 ~ 255)

0x6B[7:0]

TS2 [7:0]

R

-

TS2 (external temperature sensor2) value read (0 ~ 255)

Table 21. Operating Frequency Register ADC Reading

Byte

Address

Byte Name

Bit

Field Typical

Default

Value

Description

0x7 E

Reserved

7:4

X

X

Reserved.

0x7 E

LX_FSW

3:0

R

-

Operating frequency = 1 / (LX_FSW * 3.125 ns)

0x7 F

LX_FSW

7:0

R

-

Operating frequency = 1 / (LX_FSW * 3.125 ns)