User guide

12 DSPAUDIOEVM Evaluation Board Users Manual MOTOROLA

This document contains information on a new product. Specifications and information herein are subject to change without notice.

SECTION 3 DAUGHTERBOARD

3.1 DSPX36XDB1

These daughterboard connection and jumper definitions are specific to the DSPX36XDB1 boards. Any

future alternate daughterboards will have additional documentation.

3.2 Mode Selection

Various boot-up modes can be selected via the MODE pins and pins PB13 and PB14 settings can be determined

using switch bank SW1. Switch position “ON”= signal high. Table 13 shows the modes available for the 56362/

366/367. Table 14 shows the modes available for 56364. See part-specific user manual for full details.

* These modes are only applicable to DSPs which have the embedded ROM based Software

Architecture (SA).

Note: All other modes are reserved and should not be used.

Table 3.1 Mode Selection for 56362/366/367

MODD MODC MODB MODA PB14* PB13* Mode

0 0 0 0 X X Expanded mode (execute from $C00000)

0 0 0 1 X X Bootstrap from external FLASH

0 0 1 0 0 1 Bootstrap SA in SPI mode*

0 0 1 0 1 1

Bootstrap SA in I

C mode*

0 1 0 1 X X Boot from SHI (slave SPI mode)

0 1 1 1 X X

Boot from SHI (slave I

C mode)

1 0 0 0 X X Expanded mode (execute from $008000)

1 1 0 0 X X Bootstrap in HDI08 ISA mode

1 1 0 1 X X Bootstrap in HDI08 HC11 mode

1 1 1 0 X X Bootstrap in HDI08 8051 mode

1 1 1 1 X X Bootstrap in HDI08 69302 mode

Table 3.2 Mode Selection for 56364

MODD MODC MODB MODA Mode

0 X 0 0 Jump to PROM starting address

0 X 0 1 Bootstrap from byte-wide memory

0 X 1 0 Reserved

0 X 1 1 Reserved for Burn-in testing

1 X 0 0 Reserved

1 X 0 1 Bootstrap from SHI (slave SPI mode)

1 X 1 0 Bootstrap from SHI (slave I2C mode, clock freeze

enabled)

1 X 1 1 Bootstrap from SHI (slave I2C mode, clock freeze disabled

Frees

cale Semiconductor,

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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