Datasheet

J15
J3
J10
J9
J11
J5
J1 J2
J4
P1
RM42L432
www.ti.com Connectors
2.2 Connectors
The HDK board has ten interfaces to various peripherals. These interfaces are described in Table 2-1.
Figure 2-2. Connectors on RM42 HDK Table
Table 2-1. Connectors on HDK Board
Connector Size Function
J1 3, 2,54mm DCAN1
J2 3, 2.54mm DCAN2
J3 10x2, 2.54mm ARM 20-pin JTAG header
J4 4pin, Mini-B USB XDS100V2 USB
J5 10x2, 2mm Compact TI 20-pin JTAG header
J9 33x2, 2mm Exp P1, SPI1, ADC, nPORRST
J10 33x2, 2mm EXP P2, SPI2, nRST, ECLK, nERROR
J11 40x2, 2mm EXP P3, GIO, CAN, LIN, EQEP, NHET, SPI3
J15 Micro SD slot SD card
P1 2.5mm +12 V In
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 an external
emulator. This is the standard interface used by JTAG emulators to interface to ARM microcontrollers. The
pinout of the connector is shown in Table 2-2.
9
SPNU567–September 2012 Physical Description
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