TMS320DM814X datasheet(108/377 Pages) TI1

108 / 377 page

TMS320DM8148, TMS320DM8147

SPRS647E – MARCH 2011 – REVISED DECEMBER 2013

www.ti.com

3.2.14 Reset, Interrupts, and JTAG Interface

Table 3-25. RESET, Interrupts, and JTAG Terminal Functions

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

RESET

IPU

–

RESET

Device Reset input

DVDD

PINCNTL260

–

POR

–

Power-On Reset input

DVDD

Reset output (RSTOUT) or watchdog out (WD_OUT)

DIS

–

RSTOUT_WD_OUT

For more detailed information on RSTOUT_WD_OUT pin

DVDD

PINCNTL262

behavior, see Section 7.3.14, RSTOUT_WD_OUT Pin.

INTERRUPTS

IPU

–

NMI

Non-Maskable Interrupt input

DVDD

PINCNTL261

Interrupt-capable general-purpose I/Os.

see

NOTE: All pins are multiplexed with other pin functions.

GP0[31:0]

I/O

Table 3-10

NOTE

Table 3-10

See Table 3-10, GP0 Terminal Functions table for muxing

and internal pullup/pulldown/disable details.

Interrupt-capable general-purpose I/Os.

see

NOTE: All pins are multiplexed with other pin functions.

GP1[31:0]

I/O

Table 3-11

NOTE

Table 3-11

See Table 3-11, GP1 Terminal Functions table for muxing

and internal pullup/pulldown/disable details.

Interrupt-capable general-purpose I/Os.

see

NOTE: All pins are multiplexed with other pin functions.

GP2[31:0]

I/O

Table 3-12

NOTE

Table 3-12

See Table 3-12, GP2 Terminal Functions table for muxing

and internal pullup/pulldown/disable details.

Interrupt-capable general-purpose I/Os.

see

NOTE: All pins are multiplexed with other pin functions.

GP3[31:0]

I/O

Table 3-13

NOTE

Table 3-13

See Table 3-13, GP3 Terminal Functions table for muxing

and internal pullup/pulldown/disable details.

JTAG

IPU

TCLK

–

JTAG test clock input

DVDD

JTAG return clock output

IPU/DIS

The internal pullup (IPU) is enabled for this pin when the

RTCK

AD4

–

DVDD

device is in reset and the IPU is disabled (DIS) when reset

is released.

IPU

TDI

–

JTAG test data input

DVDD

IPU

TDO

AC5

–

JTAG test port data output

DVDD

IPU

JTAG test port mode select input. For proper operation, do

TMS

AA7

–

DVDD

not oppose the IPU on this pin.

IPD

TRST

AA4

–

JTAG test port reset input

DVDD

VOUT[0],

VOUT[0]_R_CR[2]/

IPD

GP2

EMU4/

AD9

I/O

Emulator pin 4

DVDD

PINCNTL196

GP2[26]

DSIS: PIN

VOUT[0],

VOUT[0]_G_Y_YC[2]/

IPD

GP2

EMU3/

AH7

I/O

Emulator pin 3

DVDD

PINCNTL188

GP2[24]

DSIS: PIN

(1)

I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal, MM = Multi Muxed, DSIS = De-

selected Input State

(2)

IPD = Internal Pulldown Active, IPU = Internal Pullup Active, DIS = Internal Pull Disabled. This represents the default state of the

Internal Pull during and after Reset. For more detailed information on pullup/pulldown resistors and situations where external

pullup/pulldown resistors are required, see Section 4.5.1, Pullup/Pulldown Resistors and Section 7.3.17, Pin Behaviors at Reset.

(3)

Specifies the operating I/O supply voltage for each signal

108

Device Pins

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