TMS320C6421 datasheet(64/227 Pages) TI

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Device Configurations

3.1 System Module Registers

TMS320C6421

Fixed-Point Digital Signal Processor

SPRS346B – JANUARY 2007 – REVISED APRIL 2007

The system module includes status and control registers required for configuration of the device. Brief

descriptions of the various registers are shown in Table 3-1. System Module registers required for device

configurations are discussed in the following sections.

Table 3-1. System Module Register Memory Map

HEX ADDRESS RANGE

DESCRIPTION

0x01C4 0000

PINMUX0

Pin Multiplexing Control 0 (see Section 3.7.2.1, PINMUX0 Register

Description).

0x01C4 0004

PINMUX1

Pin Multiplexing Control 1 (see Section 3.7.2.2, PINMUX1 Register

Description).

0x01C4 0008

DSPBOOTADDR

DSP Boot Address (see Section 3.4.2.3, DSPBOOTADDR Register).

0x01C4 000C

BOOTCOMPLT

Boot Complete (see Section 3.4.2.2, BOOTCMPLT Register).

0x01C4 0010

–

Reserved

0x01C4 0014

BOOTCFG

Device Boot Configuration (see Section 3.4.2.1, BOOTCFG Register).

0x01C4 0018 - 0x01C4 0027

–

Reserved

0x01C4 0028

JTAGID

JTAG ID (see Section 6.21.1, JTAG ID (JTAGID) Register

Description(s)).

0x01C4 002C

–

Reserved

0x01C4 0030

HPICTL

HPI Control (see Section 3.6.2.1, HPI Control Register).

0x01C4 0034

–

Reserved

0x01C4 0038

–

Reserved

0x01C4 003C

MSTPRI0

Bus Master Priority Control 0 (see Section 3.6.1, Switch Central

Resource (SCR) Bus Priorities).

0x01C4 0040

MSTPRI1

Bus Master Priority Control 1 (see Section 3.6.1, Switch Central

Resource (SCR) Bus Priorities).

0x01C4 0044

–

Reserved

0x01C4 0048

VDD3P3V_PWDN

VDD 3.3-V I/O Powerdown Control (see Section 3.2, Power

Considerations).

0x01C4 004C

DDRVTPER

DDR2 VTP Enable Register (see Section 6.9.4, DDR2 Memory

Controller).

0x01C4 0050 - 0x01C4 0080

–

Reserved

0x01C4 0084

TIMERCTL

Timer Control (see Section 3.6.2.2, Timer Control Register).

0x01C4 0088

EDMATCCFG

EDMA TC Configuration (see Section 3.6.2.3, EDMA TC Configuration

0x01C4 008C

–

Reserved

Device Configurations

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