TMS320C6711 datasheet(29/129 Pages) TI

29 / 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

MULTICHANNEL BUFFERED SERIAL PORT 1 (McBSP1) (CONTINUED)

DX1

O/Z

IPU

Transmit data

FSR1

I/O/Z

IPD

Receive frame sync

FSX1

I/O/Z

IPD

Transmit frame sync

MULTICHANNEL BUFFERED SERIAL PORT 0 (McBSP0)

CLKS0

IPD

External clock source (as opposed to internal)

CLKR0

I/O/Z

IPD

Receive clock

CLKX0

I/O/Z

IPD

Transmit clock

DR0

IPU

Receive data

DX0

O/Z

IPU

Transmit data

FSR0

I/O/Z

IPD

Receive frame sync

FSX0

I/O/Z

IPD

Transmit frame sync

GENERAL-PURPOSE INPUT/OUTPUT (GPIO) MODULE [C6711C/C6711D ONLY]

CLKOUT2/

GP[2]

Y12

I/O/Z

IPD

Clock output at half of device speed [C6711/11B only]

For the C6711C/11D device, the CLKOUT2 pin is multiplexed with the GP[2] pin.

Clock output at half of device speed (O/Z) [default] (SYSCLK2 internal signal

from the clock generator) or this pin can be programmed as GP[2] (I/O/Z).

When the CLKOUT2 pin is enabled, the CLK2EN bit in the EMIF global control

CLK2EN = 0:

CLKOUT2 is disabled

CLK2EN = 1:

CLKOUT2 enabled to clock [default]

GP[7](EXT_INT7)

External interrupts [C6711/11B only]

• Edge-driven

P l it i d

d tl

l t d i th E t

l I t

t P l it R i t

GP[6](EXT_INT6)

I/O/Z

IPU

• Polarity independently selected via the External Interrupt Polarity Register

bits (EXTPOL.[3:0])

GP[5](EXT_INT5)

I/O/Z

IPU

General-purpose input/output pins (I/O/Z) which also function as external

interrupts [C6711C/11D only]

• Edge driven

GP[4](EXT_INT4)

• Edge-driven

• Polarity independently selected via the External Interrupt Polarity Register

bits (EXTPOL.[3:0]), in addition to the GPIO registers.

RESERVED FOR TEST

RSV

C12

IPU

Reserved (leave unconnected, do not connect to power or ground).

Only the C6711/11B devices have internal pullup (IPU) on this pin.

On the C6711C/11D device, this pin does not have an IPU.

RSV

D12

IPU

Only the C6711/11B devices have internal pullups (IPUs). For the C6711/11B, the

D12 pin is reserved (leave unconnected, do not connect to power or ground).

On the C6711C/11D device, this pin does not have an IPU. For proper

C6711C/11D device operation, the D12 pin must be externally pulled down with a

10-kΩ resistor.

RSV

IPU

Reserved (leave unconnected, do not connect to power or ground)

† 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.]

TMS320C6711 Datasheet(PDF) 29 Page - Texas Instruments

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