ADV3002-EVALZ AD [Analog Devices], ADV3002-EVALZ Datasheet - Page 19

• Manufacturer Part Number: ADV3002-EVALZ
• Description: 4:1 HDMI/DVI Switch with Equalization, DDC/CEC Buffers and EDID Replication
• Manufacturer: AD [Analog Devices]

REGISTER MAP
Table 10. Register Map
Address
0x00
0x01
0x02
0x03
0x04
0x05
0x06
Default
0x00
0x07
0x02
0x0F
0x07
0x05
0x00
Register
Name
Channel select
control
TMDS output
control
TMDS input
control
TMDS input
termination
control
Auxiliary
buffer enables
Hot plug
detect pulse
width control
Hot plug
detect manual
override
control
Bit
7:3
2
1:0
7:4
3
2
1
0
7:2
1
0
7:4
3:0
7:3
2
1
0
7:0
7:5
4
3:0
Bit Name
Unused
CH_SRC
CH[1:0] channel
select
Unused
TX_EN_SRC
TX_EN
TX_OCL
TX_OTO
Unused
EQ_SEL
ISIGN
ITO_SRC[3:0]
ITO_CTL[3:0]
Unused
Reserved
DDC_EN
CEC_EN
HPD_PW[7:0]
Unused
HPD_SRC
HPD_CTL[3:0]
Rev. 0 | Page 19 of 28
Description
Unused
0: input selected by SEL[1:0] parallel pins
1: input selected by channel select control register, CH[1:0] channel select
00: Input A selected if CH_SRC = 1
01: Input B selected if CH_SRC = 1
10: Input C selected if CH_SRC = 1
11: Input D selected if CH_SRC = 1
Unused
0: TMDS output enable controlled by the TX_EN parallel pin
1: TMDS output enable controlled by the TX_EN bit
0: TMDS output disabled if TX_EN_SRC = 1
1: TMDS output enabled if TX_EN_SRC = 1
0: TMDS output current = 10 mA
1: TMDS output current = 20 mA
0: TMDS output termination = off
1: TMDS output termination = on
Unused
0: TMDS equalizer boost = 6 dB
1: TMDS equalizer boost = 18 dB
0: TMDS input polarity = standard
1: TMDS input polarity = inverse
0000: input termination control is automatic
1111: input termination control is manual
0000: all input terminations off if input termination control is manual
0001: Input A termination on if input termination control is manual
0010: Input B termination on if input termination control is manual
0100: Input C termination on if input termination control is manual
1000: Input D termination on if input termination control is manual
1111: all input terminations on if input termination control is manual
Unused
Reserved; set to 1
0: DDC buffer disabled
1: DDC buffer enabled
0: CEC buffer disabled
1: CEC buffer enabled
Pulse width = decimal (HPD_PW) × step size (24 ms typical)
Unused
0: hot plug detect control is automatic; pulse width set by hot plug
detect pulse width control register
1: hot plug detect control is manual; hot plug detect state is set by
HPD_CTL[3:0]
0000: HPD outputs are high impedance (pulled up to 5 V via external
resistor)
0001: HPD_A = low if HPD_SRC = 1
0010: HPD_B = low if HPD_SRC = 1
0100: HPD_C = low if HPD_SRC = 1
1000: HPD_D = low if HPD_SRC = 1
1111: all HPD outputs = low if HPD_SRC = 1
ADV3002