AD8190

Rev. 0 | Page 16 of 24

CONFIGURATION REGISTERS

Table 5. Register Map

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Addr.

Default

High speed

switch enable

High speed

source select

High Speed

Device

Modes

HS_EN

HS_CH

0x00

0x40

Auxiliary

switch enable

Auxiliary

switch

source select

Auxiliary

Device

Modes

AUX_EN

AUX_CH

0x01

0x40

High speed

input

termination

select

Receiver

Settings

RX_TO

0x10

0x01

Input termination pulse-on-source-switch select (disconnect termination for a short period of time)

Input

Termination

Pulse

RX_PT[7]

RX_PT[6]

RX_PT[5]

RX_PT[4]

RX_PT[3]

RX_PT[2]

RX_PT[1]

RX_PT [0]

0x11

0x00

Input equalization level select

Receive

Equalizer

RX_EQ[7]

RX_EQ[6]

RX_EQ[5]

RX_EQ[4]

RX_EQ[3]

RX_EQ[2]

RX_EQ[1]

RX_EQ[0]

0x13

0x00

High speed output

pre-emphasis level

select

High speed

output

termination

select

High speed

output

current level

select

Transmitter

Settings

TX_PE[1]

TX_PE[0]

TX_PTO

TX_OCL

0x20

0x03

HIGH SPEED DEVICE MODES REGISTER

HS_EN: High Speed (TMDS) Switch Enable Bit

Table 6. HS_EN Description

HS_EN

Description

0

High speed channels off, low power/standby mode

1

High speed channels on

HS_CH: High Speed (TMDS) Source Select Bit

Table 7. HS_CH Mapping

HS_CH

O[3:0]

Description

0

A[3:0]

High speed Source A switched to output

1

B[3:0]

High speed Source B switched to output

AUXILIARY DEVICE MODES REGISTER

AUX_EN: Auxiliary (Low Speed) Switch Enable Bit

Table 8. AUX_EN Description

AUX_EN

Description

0

Auxiliary switch off, no low speed input/output to

low speed common input/output connection

1

Auxiliary switch on

AUX_CH: Auxiliary (Low Speed) Switch Source Select Bit

Table 9. AUX_CH Mapping

AUX_CH

AUX_COM[3:0]

Description

0

AUX_A[3:0]

Auxiliary Source A switched to

output

1

AUX_B[3:0]

Auxiliary Source B switched to

output