DSP56374UM/D View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

Manufacturer

DSP56374UM/D

High-Density CMOS device

Freescale Semiconductor 

Features

5

15*

12

12*

3

SHI

Interface

GPIO

ESAI ESAI_1

Interface Interface

Triple

Timer

Watch

dog

Timer

Memory Expansion Area

Program

RAM

6k × 24

X Data

RAM

6k × 24

Y Data

RAM

6k × 24

Peripheral

Expansion Area

ROM

20k × 24

ROM

4k × 24

ROM

4k × 24

Address

Generation

Unit

Six Channel

DMA Unit

Bootstrap

ROM

Internal

Data

Bus

Switch

YAB

XAB

PAB

DAB

24-Bit

DSP56300

Core

DDB

YDB

XDB

PDB

GDB

Power

Clock

Gen.

PLL

Program

Interrupt

Controller

Program

Decode

Controller

Program

Address

Generator

Data ALU

24 × 24+56→56-bit MAC

Two 56-bit Accumulators

Mgmt.

JTAG

OnCE

4

56-bit Barrel Shifter

XTAL

EXTAL

RESET

PINIT/NMI

MODA/IRQA/GPIO

MODB/IRQB/GPIO

MODC/IRQC/GPIO

MODD/IRQD/GPIO

* ESAI_1 and dedicated GPIO pins are not available in the 52-pin package.

Figure 1. DSP56374 Block Diagram

2 Features

2.1 DSP56300 Modular Chassis

• 150 Million Instructions Per Second (MIPS) with a 150 MHz clock at an internal logic supply

(QVDDL) of 1.25 V

• Object Code Compatible with the 56K core

• Data ALU with a 24 x 24 bit multiplier-accumulator and a 56-bit barrel shifter;16 bit arithmetic

support

• Program Control with position independent code support

DSP56374 Data Sheet, Rev. 4.2

Freescale Semiconductor

3

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