DSP56374UM datasheet(3/128 Pages) MOTOROLA

Part #	DSP56374UM

Description	high density CMOS device with 3.3 V inputs and outputs

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Manufacturer	MOTOROLA [Motorola, Inc]

Direct Link	http://www.freescale.com

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3 / 128 page

Features

Freescale Semiconductor

PRELIMINARY

3

1.2

On-chip Memory Configuration

•

6Kx24 Bit Y-Data RAM and 4Kx24 Bit Y-Data ROM.

•

6Kx24 Bit X-Data RAM and 4Kx24 Bit X-Data ROM.

•

20Kx24 Bit Program and Bootstrap ROM including a PROM patching mechanism.

•

6Kx24 Bit Program RAM.

•

Various memory switches are available. See memory table below.

1.3

Peripheral modules

•

Enhanced Serial Audio Interface (ESAI): up to 4 receiver pins and up to 6 transmitter pins, master or slave. I2S, Sony,

AC97, network and other programmable protocols.

•

Enhanced Serial Audio Interface I (ESAI_1): up to 4 receiver pins and up to 6 transmitter pins, master or slave. I2S, Sony,

AC97, network and other programmable protocols. Note: Available in the 80 pin package only

•

Serial Host Interface (SHI): SPI and I2C protocols, 10-word receive FIFO, support for 8, 16 and 24-bit words. Three noise

reduction filter modes.

•

Triple Timer module (TEC).

•

Most pins of unused peripherals may be programmed as GPIO pins. Up to 47 pins can be configured as GPIO on the

80 pin package and 20 pins on the 52 pin package.

•

Hardware Watchdog Timer

1.4

Packages

•

80-pin and 52-pin plastic LQFP packages.

Table 1. DSP56374 Memory Switch Configurations

Bit Settings

Memory Sizes (24-bit words)

MSW1

MSW0

MS

Prog

RAM

X Data

RAM

Y Data

RAM

Prog

ROM

X Data

ROM

Y Data

ROM

X

0

6K

20K

4K

0

1

2K

10K

6K

20K

4K

0

1

4K

8K

6K

20K

4K

1

0

1

8K

4K

6K

20K

4K

1

10K

4K

20K

4K

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DSP56374UM Datasheet(PDF) 3 Page - Motorola, Inc

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