Spectrum Digital TMS320DM365, Техническое описание

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Spectrum Digital, Inc
3-9
3.2.5 J5, 20 Pin ARM JTAG Emulation Header
The J5 emulation header is located on the top side of the board and is used to provide
an interface to ARM compatible JTAG emulators. The pinout for this connector is
shown in the table below.
* Note: EMU0/EMU1 switch must be set to ARM mode
3.2.6 J6, USB Capacitance Select
The J6 jumper is used to provide more capacitance when the USB connector is used
in the host mode. When the jumper is shorted the extra capacitance is provided. These
open and shorted position are shown below.
Table 5: J5, 20 Pin ARM JTAG Emulation Header
Pin # Signal Pin # Signal
1 VCC_3V3 2 VCC_3V3
3 ARM_TRSTn 4 Ground
5 ARM_TDI 6 Ground
7 ARM_TMS 8 Ground
9 ARM_TCK 10 Ground
11 ARM_TCKRET 12 Ground
13 ARM_TDO 14 Ground
15 ARM_RSTn 16 Ground
17 NC 18 Ground
19 NC 20 Ground
Table 6: J6, USB Capacitance Select
Position Function
Open 6.8 uF Capacitance
Shorted 106.8 uF Capacitance
J6
Figure 3-5, J6, USB Capacitance Select
USB VBUS
Open
J6
USB VBUS
Shorted