HD3SS2521_16 Datasheet, PDF (6/20 Pages) Texas Instruments – DockPort Controller

HD3SS2521
SLAS941A – APRIL 2013 – REVISED MAY 2013
www.ti.com
PIN I/O
2
I/O
3
I/O
5
I/O
6
I/O
48
I/O
47
I/O
46
I/O
45
I/O
44
I/O
43
I/O
42
I/O
41
I/O
11
I/O
10
I/O
35
I/O
36
I/O
37
I/O
38
I/O
7
I
12
I
8
I
9
I
15
I/O
16
I
17
O
18
I/O
PIN NAME
A0P
A0N
A1P
A1N
B0P
B0N
B1P
B1N
C0P
C0N
C1P
C1N
ADP
ADM
BDP
BDM
CDP
CDM
SS_SEL_IN
HS_SEL_IN
RSVD
(SS_OE#_IN)
HS_OE#_IN
MODE_LED
HPD_IN
HPD_OUT
AUX_N
PIN FUNCTIONS
DockPort HOST
(SIGNAL MUX)
DockPort DEVICE
(SIGNAL DE-MUX)
SIGNAL
SPEED
(MAX)
DockPort Lane 2, Positive Signal
(DockPort cable between DockPort host and DockPort device)
DockPort Lane 2, Negative Signal
(DockPort cable between DockPort host and DockPort device)
Fast Lane
(Up to
5.4Gbps)
DockPort Lane 3, Positive Signal (DockPort cable between DockPort host and
DockPort device)
DockPort Lane 3, Negative Signal (DockPort cable between DockPort host and
DockPort device)
DisplayPort Lane 2, Positive Signal
DisplayPort Lane 2, Negative Signal
DisplayPort Lane 3, Positive Signal
Fast Lane
(Up to
5.4Gbps)
DisplayPort Lane 3, Negative Signal
SuperSpeed USB TX, Positive Signal
SuperSpeed USB TX, Negative Signal
SuperSpeed USB RX, Positive
Signal
SuperSpeed USB RX, Negative
Signal
Fast Lane
(Up to
5.4Gbps)
SuperSpeed USB RX, Positive Signal SuperSpeed USB TX, Positive Signal
SuperSpeed USB RX, Negative Signal
SuperSpeed USB TX, Negative
Signal
DockPort Config1 (DockPort cable between DockPort host and DockPort device) Supports High-
DockPort Config2 (DockPort cable between DockPort host and DockPort device) ^{speed USB}
CONFIG 1
CONFIG 2
High-speed USB D+
High-speed USB D-
DisplayPort / SuperSpeed USB Mux Select (Connect to SS_SEL_OUT - Pin 20)
DisplayPort / HighSpeed USB Mux Select (Connect to HS_SEL_OUT - Pin 19)
N/C
For future compatibility (Connect to
RSVD [SS_OE#_OUT] signal - Pin 34)
N/C
Requires external 10 kΩ Pull-down.
DisplayPort / HighSpeed USB Mux Enable (Connect to HS_OE#_OUT - Pin 32)
This signal is sampled at power on or
This signal is sampled at power on or
reset to determine the mode of operation: reset to determine the mode of
Pulled High for DockPort host operation. ^operation:
(Optionally through LED for debug
Pulled Low for DockPort hub
purposes)
(dock/dongle) operation. (Optionally
through LED for debug purposes)
Hot Plug Detect from DockPort device
Hot Plug Detect from MST Hub/DP
Device
Hot Plug Detect to System Graphics
Hot Plug Detect to DockPort host.
AUX Negative Pull-Up to DockPort
device (Output)
This signal indicates a connection event
to a DockPort device.
AUX Negative from DockPort host
(Input)
This signal is used to detect a
connection event from a DockPort
host.
6
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