TMP32C6411ZLZ datasheet(34/119 Pages) TI

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TMS320C6411

FIXEDPOINT DIGITAL SIGNAL PROCESSOR

SPRS196H − MARCH 2002 − REVISED JULY 2004

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251−1443

DEVICE CONFIGURATIONS (CONTINUED)

Table 21. Device Configuration Pins (LEND, BOOTMODE[1:0], ECLKIN_SEL[1:0], EEAI, and HD5/AD5)

CONFIGURATION

NO.

FUNCTIONAL DESCRIPTION

LEND

E16

Device Endian mode (LEND)

–

System operates in Big Endian mode

− System operates in Little Endian mode (default)

BOOTMODE[1:0]

[D18,

C18]

Bootmode [1:0]. Default is reserved. External pullup and/or pulldown resistors must be used to select a

valid bootmode configuration.

00 –

No boot

01 − HPI boot

10 − Reserved

11 − EMIF 8-bit ROM boot with default timings (default mode)

ECLKIN_SEL[1:0]

[B18,

A18]

EMIF input clock select

Clock mode select for EMIF (ECLKIN_SEL[1:0])

00 –

ECLKIN (default mode)

01 − CPU/4 Clock Rate

10 − CPU/6 Clock Rate

11 − Reserved

EEAI

B17

PCI EEPROM Auto-Initialization (EEAI)

PCI auto-initialization via external EEPROM

− PCI auto-initialization through EEPROM is disabled; the PCI peripheral uses the specified

PCI default values (default).

− PCI auto-initialization through EEPROM is enabled; the PCI peripheral is configured

through EEPROM provided the PCI peripheral pin is enabled (PCI_EN = 1).

Note: If the PCI peripheral is disabled (PCI_EN pin = 0), this pin must not be pulled up.

For more information on the PCI EEPROM default values, see the TMS320C6000 DSP Peripheral

Component Interconnect (PCI) Reference Guide (literature number SPRU581).

HD5/AD5

HPI configuration bus width (HPI_WIDTH)

− HPI operates as an HPI16.

(HPI bus is 16 bits wide. HD[15:0] pins are used and the remaining HD[31:16] pins are

reserved pins in the Hi-Z state.)

− HPI operates as an HPI32.

(HPI bus is 32 bits wide. All HD[31:0] pins are used for host-port operations.)

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