Nvidia JETSON TX2 User Manual

NVIDIA Jetson TX2/TX2i OEM Product Design Guide
JETSON TX2/TX2i OEM PRODUCT | DESIGN GUIDE | 20180618 30
One for each of the USB 3.0 input lines (RX_+/-)
Near the module connector.
5.2 PCIe
Jetson TX2/TX2i contains a PCIe (PEX) controller that supports up to 5 lanes, and 3 Root-Port (RP) controllers.
Figure 17. PCIe Connection Example
Jetson TX2/TX2i
Tegra - PCIe
PEX
PEX_TX0P
PEX_TX0N
PEX_RX0P
PEX_RX0N
PEX_L0_CLKREQ_N
PEX_L0_RST_N
PEX_L1_CLKREQ_N
PEX_L1_RST_N
PEX_WAKE_N
PEX
Control
PEX_CLK3_P
PEX_CLK3_N
PEX_CLK1_P
PEX_CLK1_N
PEX_TX1P
PEX_TX1N
PEX_RX1P
PEX_RX1N
PCIe – Single Lane (IF #2) or
(USB 3.0 Port #0). Used for M.2
Connector on Carrier Board
PCIe IF #0 Lane 3
PCIe IF #0 Lane 2
PCIe IF #0 Lane 1
PCIe IF #0 Lane 0
Shared
Control for PCIe
IF #1 Lane
Control for PCIe
IF #0 Lanes
PEX_TX2P
PEX_TX2N
PEX_RX2P
PEX_RX2N
PEX_TX3P
PEX_TX3N
PEX_RX3P
PEX_RX3N
PEX_TX4P
PEX_TX4N
PEX_RX4P
PEX_RX4N
PEX1_REFCLK+
PEX1_REFCLK
PEX1_TX+
PEX1_TX
PEX1_RX+
PEX1_RX
USB_SS0_TX+
USB_SS0_TX
USB_SS0_RX+
USB_SS0_RX
PEX0_REFCLK+
PEX0_REFCLK
PEX_RFU_TX+
PEX_RFU_TX
PEX_RFU_RX+
PEX_RFU_RX
USB_SS1_TX+
USB_SS1_TX
USB_SS1_RX+
USB_SS1_RX
PEX2_TX+
PEX2_TX
PEX2_RX+
PEX2_RX
PEX0_TX+
PEX0_TX
PEX0_RX+
PEX0_RX
PEX2_REFCLK+
PEX2_REFCLK
PEX0_CLKREQ#
PEX0_RST#
PEX2_CLKREQ#
PEX2_RST#
SATA_DEV_SLP
PEX1_CLKREQ#
PEX1_RST#
PEX_WAKE#
VDD_3V3_SYS
E41
E42
H41
H42
A44
A45
D39
D40
G39
G40
C40
C41
F40
F41
D42
D43
G42
G43
E44
E45
H44
H45
B4 5
B4 6
C48
C49
C46
D49
D48
C47
E50
A41
A42
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
Default: PCIe x1
(only PEX2_TX/RX lane used)
Alternate: PCIe x4
(Routed to PCIe Connector on
Carrier Board)
PEX_L2_CLKREQ_N
PEX_L2_RST_N
Control for PCIe
IF #2 Lane
PEX_CLK2_P
PEX_CLK2_N
Optionally used with PCIe
IF x1 on PEX2_TX/RX (PCIe
IF #1).
D47
Mux
SEL
PMIC
GPIO7
Mux
(Default)
Tegra
QSPI_IO2
LS
SEL
USB 3.0 (Port #1)
C43
C44
F43
F44
PCIE Design Guidelines
Table 23. PCIE Interface Signal Routing Requirements
Parameter
Requirement
Units
Notes
Specification
Data Rate / UI Period
5.0 / 200
Gbps / ps
2.5GHz, half-rate architecture
Configuration / Device Organization
1
Load
Topology
Point-point
Unidirectional, differential

Nvidia JETSON TX2 Specifications

General

Storage	32 GB eMMC 5.1
Operating System	Linux for Tegra
GPU	NVIDIA Pascal architecture with 256 CUDA cores
Memory	8 GB LPDDR4
Connectivity	802.11ac WLAN, Bluetooth
Video Decode	4K @ 60 fps (HEVC), 4K @ 60 fps (H.264)
Power	7.5W | 15W
Camera	Up to 6 cameras (CSI)
USB	USB 3.0
Others	CAN, UART, SPI, I2C, GPIOs
CPU	Dual Denver 2 64-Bit CPUs + Quad ARM A57 CPUs