TMS320C6711 datasheet(28/129 Pages) TI

28 / 129 page

TMS320C6711, TMS320C6711B, TMS320C6711C, TMS320C6711D

FLOATING-POINT DIGITAL SIGNAL PROCESSORS

SPRS088L − FEBRUARY 1999 − REVISED MAY 2004

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251−1443

Terminal Functions (Continued)

SIGNAL

PIN NO.

TYPE†

IPD/

DESCRIPTION

SIGNAL

NAME

GFN

GDP

TYPE†

IPD/

IPU‡

DESCRIPTION

EMIF − DATA (CONTINUED)#

ED15

T19

ED14

T20

ED13

T18

ED12

R20

ED11

R19

ED10

P20

ED9

P18

ED8

N20

I/O/Z

IPU

External data

ED7

N19

I/O/Z

IPU

External data

ED6

N18

ED5

M20

ED4

M19

ED3

L19

ED2

L18

ED1

K19

ED0

K18

TIMER 1

TOUT1

IPD

Timer 1 or general-purpose output

TINP1

IPD

Timer 1 or general-purpose input

TIMER 0

TOUT0

IPD

Timer 0 or general-purpose output

TINP0

IPD

Timer 0 or general-purpose input

MULTICHANNEL BUFFERED SERIAL PORT 1 (McBSP1)

CLKS1

IPD

External clock source (as opposed to internal)

On the C6711C/11D device, this pin does not have an internal pulldown (IPD). For

proper C6711C/11D device operation, the CLKS1 pin should either be driven

externally at all times or be pulled up with a 10-kΩ resistor to a valid logic level.

Because it is common for some ICs to 3-state their outputs at times, a 10-kΩ

pullup resistor may be desirable even when an external device is driving the pin.

CLKR1

I/O/Z

IPD

Receive clock

CLKX1

I/O/Z

IPD

Transmit clock

DR1

IPU

Receive data

On the C6711C/11D device, this pin does not have an internal pullup (IPU). For

proper C6711C/11D device operation, the DR1 pin should either be driven exter-

nally at all times or be pulled up with a 10-kΩ resistor to a valid logic level. Because

it is common for some ICs to 3-state their outputs at times, a 10-kΩ pullup resistor

may be desirable even when an external device is driving the pin.

† I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground

‡ For C6711/11B, IPD = Internal pulldown, IPU = Internal pullup. (These IPD/IPU signal pins feature a 30-kΩ IPD or IPU resistor. To pull up a signal

to the opposite supply rail, a 1-kΩ resistor should be used.)

For C6711C/11D, IPD = Internal pulldown, IPU = Internal pullup. [These IPD/IPU signal pins feature a 13-kΩ resistor (approximate) for the IPD

or 18-kΩ resistor (approximate) for the IPU. An external pullup or pulldown resistor no greater than 4.4 kΩ and 2.0 kΩ, respectively, should be

used to pull a signal to the opposite supply rail.]

# To maintain signal integrity for the EMIF signals, serial termination resistors should be inserted into all EMIF output signal lines.

TMS320C6711 Datasheet(PDF) 28 Page - Texas Instruments

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