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Connectors
Connector
J1
J2
J3
J4
J6
J7
J9
J10
J11
J12
J15
J16
J17
J18
J19
P1
2.2.1 20-Pin ARM JTAG Header
In addition to on board XDS100V2 JTAG, one 20-pin ARM JTAG header is added for using external
emulator. This is the standard interface used by JTAG emulators to interface to ARM microcontrollers. The
pinout for the connector is shown in
2.2.2 Ethernet Interface
The RM48L952 integrates an MII/RMII Ethernet MAC on chip. This interface is routed to the on board
PHY via CBT switches. The board uses a DP83640 PHY. The interface is isolated and brought out to a
RJ-45 connector with integrated magnetics, J1. The pinmux control DIP S2 is used to control the CBT FET
switch for RMII, MII or other functions.
The J1 connector is used to provide a 10/100 Mbps Ethernet interface. This is a standard RJ-45
connector. The cable end pinout for the J1 connector is shown in
10
Physical Description
Table 2-1. Connectors on HDK Board
Size
RJ45
3 terminal, 2.54mm
3 terminal, 2.54mm
10x2, 2.54mm
19x2, mictor
4pin, Mini-B USB
33x2, 2mm
33x2, 2mm
40x2, 2mm
19x2, mictor
4pin, Type B
4pin, Type A
4pin, Type A
30x2, MIPI
2.5mm
Table
2-2.
Table 2-2. 20-Pin ARM JTAG Header
Signal Name
Pin Number
Vref
1
nTRST
3
TDI
5
TMS
7
TCK
9
RTCK
11
TDO
13
nRST
15
NC
17
NC
19
Copyright © 2011–2013, Texas Instruments Incorporated
Function
Ethernet
DCAN1
DCAN2
ARM 20pin JTAG header
RTP
XDS100V2 USB
Exp P1, SPI1, SPI5, ADC
EXP P2, SPI2, EMIF, ECLK
EXP P3, SPI3, GIO, NHET, DCAN, LIN
DMM
SD card
USB Device
Not Populated
USB Host
ETM MIPI Header
+12 V In
Pin Number
Signal Name
2
V
CC
4
GND
6
GND
8
GND
10
GND
12
GND
14
GND
16
GND
18
GND
20
GND
Table
2-3.
SPNU508B – September 2011 – Revised September 2013
www.ti.com
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