ADI_3_REFSYS

Instance: ADI_3_REFSYS
Component: ADI_3_REFSYS
Base address: 0x40086200


ADI for REFSYS modules.
Registers Fields should be considered static unless otherwise noted (as dynamic)

TOP:ADI_3_REFSYS Register Summary

Register Name

Type

Register Width (Bits)

Register Reset

Address Offset

Physical Address

SPARE0

RW

8

0x00

0x0000 0001

0x4008 6201

REFSYSCTL0

RW

8

0x00

0x0000 0002

0x4008 6202

REFSYSCTL1

RW

8

0x00

0x0000 0003

0x4008 6203

REFSYSCTL2

RW

8

0x00

0x0000 0004

0x4008 6204

REFSYSCTL3

RW

8

0x00

0x0000 0005

0x4008 6205

DCDCCTL0

RW

8

0x00

0x0000 0006

0x4008 6206

DCDCCTL1

RW

8

0x00

0x0000 0007

0x4008 6207

DCDCCTL2

RW

8

0x00

0x0000 0008

0x4008 6208

DCDCCTL3

RW

8

0x00

0x0000 0009

0x4008 6209

DCDCCTL4

RW

8

0x00

0x0000 000A

0x4008 620A

DCDCCTL5

RW

8

0x00

0x0000 000B

0x4008 620B

TOP:ADI_3_REFSYS Register Descriptions

TOP:ADI_3_REFSYS:SPARE0

Address Offset 0x0000 0001
Physical Address 0x4008 6201 Instance 0x4008 6201
Description Analog Test Control
Type RW
Bits Field Name Description Type Reset
7:0 SPARE0 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RW 0x00

TOP:ADI_3_REFSYS:REFSYSCTL0

Address Offset 0x0000 0002
Physical Address 0x4008 6202 Instance 0x4008 6202
Description Internal. Only to be used through TI provided API.
Type RW
Bits Field Name Description Type Reset
7:0 TESTCTL Internal. Only to be used through TI provided API.
Value ENUM Name Description
0x0 NC Internal. Only to be used through TI provided API.
0x1 IPTAT2U Internal. Only to be used through TI provided API.
0x2 IVREF4U Internal. Only to be used through TI provided API.
0x4 IREF4U Internal. Only to be used through TI provided API.
0x8 VBG Internal. Only to be used through TI provided API.
0x10 VBGUNBUFF Internal. Only to be used through TI provided API.
0x20 VREF0P8V Internal. Only to be used through TI provided API.
0x40 VTEMP Internal. Only to be used through TI provided API.
0x80 BMCOMPOUT Internal. Only to be used through TI provided API.
RW 0x00

TOP:ADI_3_REFSYS:REFSYSCTL1

Address Offset 0x0000 0003
Physical Address 0x4008 6203 Instance 0x4008 6203
Description Internal. Only to be used through TI provided API.
Type RW
Bits Field Name Description Type Reset
7:3 TRIM_VDDS_BOD Internal. Only to be used through TI provided API.
Value ENUM Name Description
0x0 POS_4 Internal. Only to be used through TI provided API.
0x1 POS_5 Internal. Only to be used through TI provided API.
0x2 POS_6 Internal. Only to be used through TI provided API.
0x3 POS_7 Internal. Only to be used through TI provided API.
0x4 POS_0 Internal. Only to be used through TI provided API.
0x5 POS_1 Internal. Only to be used through TI provided API.
0x6 POS_2 Internal. Only to be used through TI provided API.
0x7 POS_3 Internal. Only to be used through TI provided API.
0x8 POS_12 Internal. Only to be used through TI provided API.
0x9 POS_13 Internal. Only to be used through TI provided API.
0xA POS_14 Internal. Only to be used through TI provided API.
0xB POS_15 Internal. Only to be used through TI provided API.
0xC POS_8 Internal. Only to be used through TI provided API.
0xD POS_9 Internal. Only to be used through TI provided API.
0xE POS_10 Internal. Only to be used through TI provided API.
0xF POS_11 Internal. Only to be used through TI provided API.
0x10 POS_20 Internal. Only to be used through TI provided API.
0x11 POS_21 Internal. Only to be used through TI provided API.
0x12 POS_22 Internal. Only to be used through TI provided API.
0x13 POS_23 Internal. Only to be used through TI provided API.
0x14 POS_16 Internal. Only to be used through TI provided API.
0x15 POS_17 Internal. Only to be used through TI provided API.
0x16 POS_18 Internal. Only to be used through TI provided API.
0x17 POS_19 Internal. Only to be used through TI provided API.
0x18 POS_28 Internal. Only to be used through TI provided API.
0x19 POS_29 Internal. Only to be used through TI provided API.
0x1A POS_30 Internal. Only to be used through TI provided API.
0x1B POS_31 Internal. Only to be used through TI provided API.
0x1C POS_24 Internal. Only to be used through TI provided API.
0x1D POS_25 Internal. Only to be used through TI provided API.
0x1E POS_26 Internal. Only to be used through TI provided API.
0x1F POS_27 Internal. Only to be used through TI provided API.
RW 0b0 0000
2 BATMON_COMP_TEST_EN Internal. Only to be used through TI provided API.
Value ENUM Name Description
0x0 DIS Internal. Only to be used through TI provided API.
0x1 EN Internal. Only to be used through TI provided API.
RW 0
1:0 TESTCTL Internal. Only to be used through TI provided API.
Value ENUM Name Description
0x0 NC Internal. Only to be used through TI provided API.
0x1 BMCOMPIN Internal. Only to be used through TI provided API.
0x2 IPTAT1U Internal. Only to be used through TI provided API.
RW 0b00

TOP:ADI_3_REFSYS:REFSYSCTL2

Address Offset 0x0000 0004
Physical Address 0x4008 6204 Instance 0x4008 6204
Description Internal. Only to be used through TI provided API.
Type RW
Bits Field Name Description Type Reset
7:4 TRIM_VREF Internal. Only to be used through TI provided API. RW 0x0
3:2 RESERVED0 Internal. Only to be used through TI provided API. RW 0b00
1:0 TRIM_TSENSE Internal. Only to be used through TI provided API. RW 0b00

TOP:ADI_3_REFSYS:REFSYSCTL3

Address Offset 0x0000 0005
Physical Address 0x4008 6205 Instance 0x4008 6205
Description Internal. Only to be used through TI provided API.
Type RW
Bits Field Name Description Type Reset
7 BOD_BG_TRIM_EN Internal. Only to be used through TI provided API. RW 0
6 VTEMP_EN Internal. Only to be used through TI provided API.
Value ENUM Name Description
0x0 DIS Internal. Only to be used through TI provided API.
0x1 EN Internal. Only to be used through TI provided API.
RW 0
5:0 TRIM_VBG Internal. Only to be used through TI provided API. RW 0b00 0000

TOP:ADI_3_REFSYS:DCDCCTL0

Address Offset 0x0000 0006
Physical Address 0x4008 6206 Instance 0x4008 6206
Description DCDC Control 0
Type RW
Bits Field Name Description Type Reset
7:5 GLDO_ISRC Set charge and re-charge current level.
2's complement encoding.

0x0: Default 11mA.
0x3: Max 15mA.
0x4: Max 5mA
RW 0b000
4:0 VDDR_TRIM Set the VDDR voltage.
Proprietary encoding.

Increase voltage to max: 0x00, 0x01, 0x02 ... 0x15.
Decrease voltage to min: 0x00, 0x1F, 0x1E, 0x1D ... 0x16.
Step size = 16mV

0x00: Default, about 1.63V.
0x05: Typical voltage after trim voltage 1.71V.
0x15: Max voltage 1.96V.
0x16: Min voltage 1.47V.
RW 0b0 0000

TOP:ADI_3_REFSYS:DCDCCTL1

Address Offset 0x0000 0007
Physical Address 0x4008 6207 Instance 0x4008 6207
Description DCDC Control 1
Type RW
Bits Field Name Description Type Reset
7:6 IPTAT_TRIM Trim GLDO bias current.
Proprietary encoding.

0x0: Default
0x1: Increase GLDO bias by 1.3x.
0x2: Increase GLDO bias by 1.6x.
0x3: Decrease GLDO bias by 0.7x.
RW 0b00
5 VDDR_OK_HYST Increase the hysteresis for when VDDR is considered ok.

0: Hysteresis = 60mV
1: Hysteresis = 70mV
RW 0
4:0 VDDR_TRIM_SLEEP Set the min VDDR voltage threshold during sleep mode.
Proprietary encoding.

Increase voltage to max: 0x00, 0x01, 0x02 ... 0x15.
Decrease voltage to min: 0x00, 0x1F, 0x1E, 0x1D ... 0x16.
Step size = 16mV

0x00: Default, about 1.63V.
0x19: Typical voltage after trim voltage 1.52V.
0x15: Max voltage 1.96V.
0x16: Min voltage 1.47V.
RW 0b0 0000

TOP:ADI_3_REFSYS:DCDCCTL2

Address Offset 0x0000 0008
Physical Address 0x4008 6208 Instance 0x4008 6208
Description DCDC Control 2
Type RW
Bits Field Name Description Type Reset
7 RESERVED7 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RW 0
6 TURNON_EA_SW Turn on erroramp switch

0: Erroramp Off (Default)
1: Erroramp On. Turns on GLDO error amp switch.
RW 0
5 TEST_VDDR Connect VDDR to ATEST bus

0: Not connected.
1: Connected

Set TESTSEL = 0x0 first before setting this bit.
RW 0
4 BIAS_DIS Disable dummy bias current.

0: Dummy bias current on (Default)
1: Dummy bias current off
RW 0
3:0 TESTSEL Select signal for test bus, one hot.
Value ENUM Name Description
0x0 NC No signal connected to test bus.
0x1 ERRAMP_OUT Error amp output voltage connected to test bus.
0x2 PASSGATE Pass transistor gate voltage connected to test bus.
0x4 IB1U 1uA bias current connected to test bus.
0x8 VDDROK VDDR_OK connected to test bus.
RW 0x0

TOP:ADI_3_REFSYS:DCDCCTL3

Address Offset 0x0000 0009
Physical Address 0x4008 6209 Instance 0x4008 6209
Description DCDC Control 3
Type RW
Bits Field Name Description Type Reset
7:0 RESERVED0 Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior. RW 0x00

TOP:ADI_3_REFSYS:DCDCCTL4

Address Offset 0x0000 000A
Physical Address 0x4008 620A Instance 0x4008 620A
Description Internal. Only to be used through TI provided API.
Type RW
Bits Field Name Description Type Reset
7:6 DEADTIME_TRIM Internal. Only to be used through TI provided API. RW 0b00
5:3 LOW_EN_SEL Internal. Only to be used through TI provided API. RW 0b000
2:0 HIGH_EN_SEL Internal. Only to be used through TI provided API. RW 0b000

TOP:ADI_3_REFSYS:DCDCCTL5

Address Offset 0x0000 000B
Physical Address 0x4008 620B Instance 0x4008 620B
Description Internal. Only to be used through TI provided API.
Type RW
Bits Field Name Description Type Reset
7:6 RESERVED6 Internal. Only to be used through TI provided API. RW 0b00
5 TESTN Internal. Only to be used through TI provided API. RW 0
4 TESTP Internal. Only to be used through TI provided API. RW 0
3 DITHER_EN Internal. Only to be used through TI provided API.
Value ENUM Name Description
0x0 DIS Internal. Only to be used through TI provided API.
0x1 EN Internal. Only to be used through TI provided API.
RW 0
2:0 IPEAK Internal. Only to be used through TI provided API. RW 0b000