TMS320DM355 datasheet(35/154 Pages) TI

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2.4.16 Emulation

TMS320DM355

Digital Media System-on-Chip (DMSoC)

SPRS463D – SEPTEMBER 2007 – REVISED FEBRUARY 2008

Table 2-21. System/Boot Terminal Functions (continued)

TERMINAL

TYPE(1)

OTHER(2)(3)

DESCRIPTION

NAME

NO.

Async EMIF: Address bus bit 08

GIO: GIO[062]

EM_A08/

System: AECFG[0] sets default for:

GIO062/

T19

I/O/Z

VDD

AECFG[0]

•

PinMux2.EM_A0_BA1 - AEMIF address width (OneNAND, or NAND)

•

PinMux2.EM_A13_3 - AEMIF address width (OneNAND, or NAND)

The emulation interface allow software and hardware debugging.

Table 2-22. Emulation Terminal Functions

TERMINAL

TYPE(1)

OTHER(2)(3)

DESCRIPTION

NAME

NO.

TCK

E10

VDD

JTAG test clock input

TDI

JTAG test data input

VDD

TDO

VDD

JTAG test data output

TMS

JTAG test mode select

VDD

TRST

JTAG test logic reset (active low)

VDD

RTCK

E11

VDD

JTAG test clock output

JTAG emulation 0 I/O

EMU0

I/O/Z

EMU[1:0] = 00 - Force Debug Scan chain (ARM and ARM ETB TAPs connected)

VDD

EMU[1:0] = 11 - Normal Scan chain (ICEpick only)

JTAG emulation 1 I/O

EMU1

I/O/Z

EMU[1:0] = 00 - Force Debug Scan chain (ARM and ARM ETB TAPs connected)

VDD

EMU[1:0] = 11 - Normal Scan chain (ICEpick only)

(1)

I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal.

(2)

Specifies the operating I/O supply voltage for each signal. See Section 5.3, Power Supplies for more detail.

(3)

PD = pull-down, PU = pull-up. (To pull up a signal to the opposite supply rail, a 1 k

Ω resistor should be used.)

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