Texas Instruments TMS320C6712D 用户手册

        

SPRS293A − OCTOBER  2005 − REVISED NOVEMBER 2005

21

POST OFFICE BOX 1443 

•

 HOUSTON, TEXAS 77251−1443

EMIFBE 

C15

EMIF Big Endian mode correctness (EMIFBE)

When Big Endian mode is selected (LENDIAN = 0), for proper device operation the 
EMIFBE pin must be externally pulled low. 

This new functionality does not affect systems using the current default value of C15 pin=1. For
more detailed information on the Big Endian mode correctness, see the EMIF Big Endian Mode
Correctness portion of this data sheet.

LENDIAN

B17

Device Endian mode (LEND)

0

–

System operates in Big Endian mode.
The EMIFBE pin must be pulled low.

1

− System operates in Little Endian mode (default)

BOOTMODE[1:0]

C19, C20

Bootmode Configuration Pins (BOOTMODE)

00 –

Emulation boot

01 –

CE1 width 8-bit, Asynchronous external ROM boot with default 
timings (default mode)

10 − CE1 width 16-bit, Asynchronous external ROM boot with default 

timings

11 − Reserved, do not use

For more detailed information on these bootmode configurations, see the bootmode section of
this data sheet.

CLKMODE0

C4

Clock generator input clock source select 

0

–

Reserved. Do not use.

1

− CLKIN square wave [default]

For proper device operation, this pin must be either left unconnected or externally pulled up
with a 1-k

Ω

 resistor.